| 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 | 2010-06-30 | 2010-03-31 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| us-gaap:CommonStockValue | █████████▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁▁ | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.308 | 0.307 | 0.307 | 0.306 | 0.306 | 0.306 | 0.305 | 0.305 | 0.305 | 0.305 | 0.305 | 0.305 | 0.305 | 0.305 | 0.305 | 0.304 | 0.304 | 0.303 | 0.303 | 0.3 | 0.3 | 0.299 | 0.299 | 0.296 | 0.295 | 0.294 | 0.291 | 0.288 | NA | NA | NA |
| us-gaap:CommonStockSharesOutstanding us-gaap:StatementEquityComponents us-gaap:CommonStock | █████▇▇▇▇▂▂▁▁▁▁ | 36.38 | 36.35 | 36.19 | 36.05 | 35.99 | 35.95 | 35.8 | 35.8 | 35.78 | 31.73 | 31.36 | 31.2 | 31.0 | 30.97 | 30.81 | NA | NA | NA | 30.613 | NA | NA | NA | 30.545 | NA | NA | NA | 30.482 | NA | NA | NA | 30.379 | NA | NA | NA | 30.042 | NA | NA | NA | 29.613 | NA | NA | NA | 28.832 | NA | NA | NA |
| us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding | █▁ | 40.81 | 40.62 | NA | 35.94 | 35.31 | 36.01 | NA | 36.73 | 34.72 | 33.81 | NA | 32.95 | 32.08 | 31.66 | NA | 31.311 | 31.28 | 30.698 | NA | 31.064 | 30.939 | 30.568 | NA | 30.745 | 30.735 | 30.652 | NA | 30.771 | 30.978 | 31.427 | NA | 32.851 | 31.428 | 30.426 | NA | 30.243 | 30.2 | 30.061 | NA | 29.966 | 29.966 | 29.678 | NA | 29.172 | 29.262 | 29.172 |
| us-gaap:WeightedAverageNumberOfSharesOutstandingBasic | █▁ | 35.61 | 35.55 | NA | 35.23 | 35.18 | 35.77 | NA | 35.76 | 32.47 | 31.57 | NA | 31.03 | 30.95 | 30.91 | NA | 30.755 | 30.727 | 30.698 | NA | 30.585 | 30.582 | 30.568 | NA | 30.498 | 30.495 | 30.466 | NA | 30.396 | 30.389 | 30.346 | NA | 30.275 | 30.249 | 30.035 | NA | 29.839 | 29.797 | 29.593 | NA | 29.288 | 29.202 | 28.768 | NA | 28.528 | 28.522 | 28.508 |
| us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount | █▁ | 2.7 | 2.63 | NA | 5.08 | 5.06 | 4.91 | NA | 5.18 | 1.39 | 1.34 | NA | 1.76 | 5.73 | 5.51 | NA | 4.004 | 4.063 | 5.228 | NA | 3.923 | 3.893 | 4.884 | NA | 3.934 | 3.528 | 3.588 | NA | 3.495 | 3.717 | 0.738 | NA | 1.336 | 0.837 | 3.679 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| us-gaap:EarningsPerShareBasic | ▅▅█▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▄▁▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅ | 0.18 | 0.72 | 7.29 | 0.62 | 0.57 | 0.24 | 0.35 | 0.52 | 0.44 | 0.03 | 1.52 | 0.72 | 0.4 | 0.19 | 0.87 | 0.05 | 0.09 | -0.09 | -0.11 | 0.49 | 0.69 | -0.15 | -7.54 | 0.16 | 0.56 | 0.17 | 0.89 | 0.75 | 0.66 | 0.4 | 0.76 | 0.81 | 0.66 | 0.52 | 0.69 | 0.62 | 0.6 | 0.48 | 0.29 | 0.6 | 0.36 | 0.26 | 0.34 | 0.23 | 0.08 | 0.05 |
| us-gaap:EarningsPerShareDiluted | ▅▅█▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▁▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅ | 0.16 | 0.63 | 6.69 | 0.6 | 0.57 | 0.24 | 0.34 | 0.51 | 0.41 | 0.03 | 1.47 | 0.67 | 0.38 | 0.18 | 0.85 | 0.05 | 0.09 | -0.09 | -0.11 | 0.48 | 0.68 | -0.15 | -7.54 | 0.15 | 0.56 | 0.17 | 0.88 | 0.74 | 0.65 | 0.38 | 0.71 | 0.74 | 0.64 | 0.51 | 0.69 | 0.61 | 0.59 | 0.47 | 0.28 | 0.59 | 0.35 | 0.25 | 0.33 | 0.23 | 0.08 | 0.05 |
| us-gaap:IncomeLossFromContinuingOperationsPerBasicShare | ▂▆█▄▄▂▄▅▄▂▅▆▃▂▇▁▂▁ | 1.8e-07 | 7.2e-07 | 1.06e-06 | 4.4e-07 | 3.9e-07 | 6e-08 | 4.6000000000000004e-07 | 5.2e-07 | 4.4e-07 | 3e-08 | 5.8e-07 | 7e-07 | 3.2e-07 | 1.4e-07 | 8.900000000000001e-07 | -2e-08 | 4e-08 | -6e-08 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| us-gaap:IncomeLossFromContinuingOperationsPerDilutedShare | ▂▆█▄▄▂▅▅▄▂▅▆▄▂▇▁▂▁ | 1.6e-07 | 6.3e-07 | 9.7e-07 | 4.3e-07 | 3.9e-07 | 6e-08 | 4.6000000000000004e-07 | 5.1e-07 | 4.1e-07 | 3e-08 | 5.6e-07 | 6.5e-07 | 3.1e-07 | 1.3e-07 | 8.7e-07 | -2e-08 | 4e-08 | -6e-08 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 | 2010-06-30 | 2010-03-31 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Operating Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,gtls:CryoTankSolutions | ▁█ | 97.8 | 103.9 | NA | NA | 105.3 | 98.0 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| Operating Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,gtls:DistributionStorageEast | NA | NA | NA | 85.1 | 79.7 | 70.0 | 76.6 | 70.4 | 77.7 | 68.7 | 72.0 | 56.8 | 62.4 | 55.1 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| Operating Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,gtls:DistributionStorageWest | NA | NA | NA | 91.1 | 106.8 | 111.6 | 181.7 | 93.3 | 115.7 | 118.0 | 118.3 | 119.0 | 117.6 | 100.6 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| Operating Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,gtls:EnergyAndChemicalsCryogenics | NA | NA | NA | 64.8 | 63.7 | 62.2 | 58.899999999999984 | 48.9 | 47.6 | 35.1 | 38.3 | 35.6 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| Operating Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,gtls:EnergyAndChemicalsFinFans | NA | NA | NA | 40.5 | 64.1 | 80.7 | 89.7 | 128.6 | 72.6 | 70.5 | 63.4 | 62.5 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| Operating Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,gtls:HeatTransferSystems | ▁█ | 65.2 | 69.2 | NA | NA | 97.3 | 112.9 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| Operating Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,gtls:RepairServiceAndLeasing | █▁ | 54.6 | 41.4 | NA | NA | 40.1 | 40.7 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| Operating Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,gtls:SpecialtyProducts | █▁ | 106.8 | 77.3 | NA | NA | 48.6 | 52.9 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 | 2010-06-30 | 2010-03-31 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| TTM Greenblatt ROC _ _ | ██████▇██▇███▇▇▇▇▇▇▇█▇▁▇█▇██████████████▇▇▇ | 25.6 | 28.9 | 22.5 | 28.1 | 33.4 | 23.5 | 21.1 | 29.9 | 25.3 | 4.6 | 26.3 | 31.5 | 23.5 | 16.9 | 21.3 | 10.448 | 9.935 | 0.247 | 2.332 | 20.064 | 34.939 | 0.037 | -238.918 | 15.609 | 25.129 | 14.957 | 41.612 | 40.355 | 34.044 | 22.146 | 39.781 | 35.886 | 32.979 | 27.351 | 32.837 | 32.032 | 33.083 | 23.861 | 25.155 | 29.043 | 21.489 | 14.307 | 18.099 | NA | NA | NA |
| 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 | 2010-06-30 | 2010-03-31 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| us-gaap:AllocatedShareBasedCompensationExpense | ▅▆▄▅▄▅▅▄▁▅▄▃▃▅▄▄▄█▄▄▄▇▄▄▄█▄▄▄▆▅▄▅▅▄▄▄▅ | 2.4 | 3.4 | 1.8 | 2.2 | 2.0 | 2.9 | 2.6 | 2.1 | -1.9 | 2.4 | 1.4 | 0.5 | 0.2 | 3.2 | 1.545 | 1.569 | 1.712 | 6.274 | 1.665 | 1.826 | 1.651 | 5.537 | 2.122 | 1.417 | 2.034 | 5.752 | 2.079 | 1.73 | 1.926 | 3.957 | 3.207 | 1.707 | 2.511 | 2.564 | 1.75 | 1.53 | 1.676 | 2.505 | NA | NA | NA | NA | NA | NA | NA | NA |
| us-gaap:ComprehensiveIncomeNetOfTax | ▄▄█▅▅▄▅▄▄▄▅▄▄▄▅▄▄▄▄▄▄▄▁▄▄▄▄▄▄▄▅▅▄▄▄▄▄▄▄▄▄▄ | 14.1 | 6.4 | 278.1 | 41.7 | 28.0 | -1.4 | 25.8 | 2.3 | 16.0 | -3.7 | 41.0 | 16.1 | -9.1 | 18.2 | 31.219 | 9.69 | 14.427 | -0.236 | -14.375 | 15.296 | 15.179 | 1.841 | -235.224 | -1.202 | 19.818 | -2.57 | 15.049 | 14.738 | 19.951 | 10.118 | 31.036 | 28.987 | 20.331 | 14.503 | 18.044 | 21.059 | 14.493 | 16.347 | 5.535 | 6.494 | 11.875 | 13.595 | NA | NA | NA | NA |
| us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest | ▄▅▄▄▅▄▄▄▄▄▄▅▄▅▄▅▅▄▃▂▁▄▂▃▄▄▄▄▄▄█▄▅▅▄▄▄▄▄▄▄▄ | 0.3 | 0.5 | 0.3 | 0.2 | 0.9 | 0.0 | 0.1 | 0.0 | 0.2 | 0.2 | 0.4 | 0.8 | 0.2 | 0.6 | 0.411 | 0.641 | 0.579 | -0.031 | -0.47 | -1.364 | -1.708 | 0.003 | -1.141 | -0.762 | -0.041 | 0.0 | 0.286 | 0.372 | 0.318 | 0.196 | 2.697 | 0.433 | 0.608 | 0.592 | 0.394 | 0.369 | 0.2 | 0.069 | 0.035 | -0.035 | 0.429 | -0.127 | NA | NA | NA | NA |
| us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest | ▄▄█▅▅▄▅▄▄▄▅▄▄▄▅▄▄▄▄▄▄▄▁▄▄▄▄▄▄▄▅▅▄▄▄▅▄▄▄▄▄▄ | 14.4 | 6.9 | 278.4 | 41.9 | 28.9 | -1.4 | 25.9 | 2.3 | 16.2 | -3.5 | 41.4 | 16.9 | -8.9 | 18.8 | 31.63 | 10.331 | 15.006 | -0.267 | -14.845 | 13.932 | 13.471 | 1.844 | -236.365 | -1.964 | 19.777 | -2.57 | 15.335 | 15.11 | 20.269 | 10.314 | 33.733 | 29.42 | 20.939 | 15.095 | 18.438 | 21.428 | 14.693 | 16.416 | 5.268 | 6.459 | 12.304 | 13.468 | NA | NA | NA | NA |
| us-gaap:CostOfGoodsAndServicesSold | ▇▆▇▅▆▇██▇▇▆▅▇▆▇▄▅▄▄▃▄▃▅▆▆▅▇▆▆▅▆▆▆▅▆▅▄▄▄▃▃▂▂▂▂▁ | 238.8 | 204.6 | 224.5 | 194.6 | 218.0 | 229.7 | 256.7 | 256.6 | 226.8 | 222.2 | 216.2 | 189.9 | 235.4 | 202.6 | 223.138 | 170.129 | 174.998 | 148.435 | 157.274 | 134.307 | 160.144 | 141.056 | 187.984 | 195.758 | 195.372 | 172.582 | 229.167 | 202.608 | 214.629 | 188.694 | 209.945 | 213.112 | 208.46 | 194.198 | 218.393 | 176.237 | 165.81 | 148.549 | 155.636 | 144.68 | 138.368 | 110.455 | 108.191 | 96.404 | 101.569 | 83.929 |
| us-gaap:GrossProfit | ▆▆▇▆▇▇▆█▆▄▅▆▆▅▆▅▄▃▃▅▇▃▅▅▅▅█▇▇▆▇▇▇▆▆▆▅▄▄▄▄▃▃▂▁▁ | 83.2 | 83.9 | 87.9 | 78.6 | 92.4 | 91.4 | 85.7 | 101.2 | 82.8 | 67.1 | 73.9 | 82.3 | 84.5 | 77.1 | 82.9 | 70.402 | 63.215 | 55.66 | 57.098 | 69.623 | 86.951 | 52.701 | 72.772 | 68.289 | 74.88 | 72.523 | 96.894 | 91.233 | 92.181 | 77.546 | 93.822 | 88.645 | 89.806 | 79.45 | 85.465 | 78.012 | 74.129 | 67.557 | 63.999 | 66.631 | 62.33 | 52.486 | 50.647 | 42.801 | 37.575 | 34.276 |
| us-gaap:IncomeLossFromContinuingOperations | ▂▆█▄▄▂▄▅▄▁▅▅▃▂▆▁▂▁ | 6.5 | 25.6 | 37.5 | 15.6 | 13.8 | 2.0 | 16.5 | 18.7 | 14.4 | 0.9 | 18.0 | 21.5 | 9.9 | 4.2 | 27.5 | -0.6 | 1.2 | -1.9 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments | ▇██▇█▇▇█▇▇▇█▇▇▇▇▇▇▇▇█▇▁▇█▇███▇███▇███▇▇█▇▇▇▇▇▇ | 8.1 | 29.2 | 43.9 | 22.0 | 24.9 | 10.2 | 9.2 | 25.1 | 19.5 | -1.0 | 21.9 | 26.2 | 18.1 | 8.6 | 8.768 | 4.013 | 5.535 | -4.716 | -3.005 | 15.448 | 30.54 | -4.584 | -243.793 | 10.366 | 23.95 | 7.645 | 37.134 | 35.288 | 29.189 | 17.553 | 35.576 | 31.81 | 28.584 | 22.688 | 28.869 | 27.239 | 27.068 | 19.93 | 11.054 | 24.627 | 16.486 | 10.807 | 14.309 | 8.935 | 3.278 | 1.976 |
| us-gaap:IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest | ▂▆█▄▄▁▃▄▄▁▄▅▃▂▆▁ | 6.8 | 26.1 | 37.9 | 15.8 | 14.7 | 2.1 | 12.5 | 18.7 | 14.6 | 1.0 | 18.2 | 22.0 | 10.7 | 4.7 | 27.8 | 0.0 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| us-gaap:IncomeTaxExpenseBenefit | ▆▆▇▇▆▆▄▇▆▅▆▆▆▆▁▆▆▅▅▆█▅▂▇▇▆▇█▇▆▇▇▇▇▇▇▇▇▆▇▆▆▆▆▅▅ | 1.3 | 3.1 | 6.0 | 6.2 | 3.9 | 1.7 | -3.3 | 6.4 | 4.9 | -2.0 | 3.7 | 4.2 | 5.0 | 2.3 | -18.246 | 1.907 | 2.203 | -1.764 | 0.873 | 1.764 | 10.977 | 0.088 | -12.649 | 6.095 | 6.868 | 2.37 | 9.924 | 12.136 | 8.818 | 5.214 | 9.772 | 6.963 | 7.981 | 6.58 | 7.718 | 8.354 | 8.932 | 5.778 | 2.738 | 7.122 | 5.466 | 3.404 | 4.346 | 2.27 | 0.82 | 0.557 |
| us-gaap:InterestExpenseDebt us-gaap:DebtInstrument,us-gaap:LongtermDebtType gtls:ConvertibleNotesdue2024,us-gaap:ConvertibleDebt | ▁▁█▇█▇▇▇▇▇▇▇▇▆ | 0.7 | 0.6 | 2.8 | 2.6 | 2.7 | 2.5 | 2.6 | 2.6 | 2.6 | 2.4 | 2.5 | 2.5 | 2.5 | 2.3 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| us-gaap:NetIncomeLoss | ▄▅█▅▅▄▄▅▅▄▅▅▄▄▅▄▄▄▄▅▅▄▁▄▅▄▅▅▅▄▅▅▅▅▅▅▅▅▄▅▄▄▄▄▄▄ | 6.5 | 25.6 | 257.8 | 21.7 | 20.1 | 8.5 | 12.4 | 18.7 | 14.4 | 0.9 | 47.7 | 22.2 | 12.3 | 5.8 | 26.7 | 1.51 | 2.783 | -2.912 | -3.29 | 15.025 | 21.153 | -4.651 | -230.123 | 4.76 | 17.157 | 5.246 | 26.947 | 22.851 | 20.069 | 11.997 | 23.196 | 24.445 | 20.0 | 15.535 | 20.76 | 18.516 | 17.936 | 14.083 | 8.415 | 17.54 | 10.591 | 7.53 | 9.802 | 6.575 | 2.399 | 1.384 |
| us-gaap:NetIncomeLossAttributableToNoncontrollingInterest | ▄▄▄▄▅▄▄▄▄▄▄▄▅▄▄▅▅▄▃▁▁▄▂▃▄▄▄▄▄▄█▄▅▅▄▄▄▄▃▄▄▃▄▄▄▄ | 0.3 | 0.5 | 0.4 | 0.2 | 0.9 | 0.0 | 0.1 | 0.0 | 0.2 | 0.1 | 0.2 | 0.5 | 0.8 | 0.5 | 0.395 | 0.596 | 0.549 | -0.04 | -0.588 | -1.341 | -1.59 | -0.021 | -1.021 | -0.489 | -0.075 | 0.029 | 0.263 | 0.301 | 0.302 | 0.342 | 2.608 | 0.402 | 0.603 | 0.573 | 0.391 | 0.369 | 0.2 | 0.069 | -0.099 | -0.035 | 0.429 | -0.127 | 0.161 | 0.09 | 0.059 | 0.035 |
| us-gaap:OperatingExpenses | ▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂█▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁ | 57.6 | 55.0 | 65.4 | 50.5 | 59.0 | 67.9 | 64.6 | 71.3 | 57.5 | 62.5 | 47.6 | 50.8 | 61.0 | 60.2 | 61.453 | 59.954 | 53.28 | 55.413 | 54.766 | 49.559 | 52.012 | 52.664 | 311.69 | 52.68 | 49.751 | 57.566 | 55.282 | 50.878 | 58.137 | 55.4 | 54.041 | 52.759 | 56.827 | 52.099 | 52.628 | 45.98 | 41.046 | 43.696 | 38.844 | 37.588 | 40.841 | 38.179 | 32.548 | 29.562 | 29.012 | 26.673 |
| us-gaap:OperatingIncomeLoss | ██████▇██▇███▇▇▇▇▇▇▇█▇▁▇█▇██████████████▇▇▇▇▇▇ | 25.6 | 28.9 | 22.5 | 28.1 | 33.4 | 23.5 | 21.1 | 29.9 | 25.3 | 4.6 | 26.3 | 31.5 | 23.5 | 16.9 | 21.3 | 10.448 | 9.935 | 0.247 | 2.332 | 20.064 | 34.939 | 0.037 | -238.918 | 15.609 | 25.129 | 14.957 | 41.612 | 40.355 | 34.044 | 22.146 | 39.781 | 35.886 | 32.979 | 27.351 | 32.837 | 32.032 | 33.083 | 23.861 | 25.155 | 29.043 | 21.489 | 14.307 | 18.099 | 13.239 | 8.563 | 7.603 |
| us-gaap:OtherComprehensiveIncomeLossNetOfTax | █▁ | 7.6 | -19.2 | NA | 20.0 | 7.9 | -9.9 | NA | -16.4 | 1.6 | -4.5 | NA | -6.1 | -21.4 | 12.4 | NA | NA | 11.644 | 2.676 | -11.084 | 0.271 | -5.974 | 6.48 | -5.489 | -5.962 | 2.661 | -7.816 | -11.934 | -8.113 | -0.118 | -1.879 | 7.984 | 4.542 | 0.331 | -1.032 | -2.713 | 2.543 | -3.443 | 2.264 | -3.048 | -11.046 | NA | NA | NA | NA | NA | NA |
| us-gaap:ProfitLoss | ▄▅█▅▅▄▄▅▅▄▅▅▄▄▅▄▄▄▄▅▅▄▁▄▅▄▅▅▅▄▅▅▅▅▅▅▅▅▄▅▄▄▄▄▄▄ | 6.8 | 26.1 | 258.2 | 21.9 | 21.0 | 8.5 | 12.5 | 18.7 | 14.6 | 1.0 | 47.9 | 22.7 | 13.1 | 6.3 | 27.0 | 2.106 | 3.332 | -2.952 | -3.878 | 13.684 | 19.563 | -4.672 | -231.144 | 4.271 | 17.082 | 5.275 | 27.21 | 23.152 | 20.371 | 12.339 | 25.804 | 24.847 | 20.603 | 16.108 | 21.151 | 18.885 | 18.136 | 14.152 | 8.316 | 17.505 | 11.02 | 7.403 | 9.963 | 6.665 | 2.458 | 1.419 |
| us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax | ▇▆▇▆▇▇▇█▇▆▆▆▇▆▆▄▅▄▄▄▅▃▆▆▆▅█▇▇▆▇▇▇▆▇▅▅▄▄▄▄▂▂▂▂▁ | 322.0 | 288.5 | 312.4 | 273.2 | 310.4 | 301.9 | 321.4 | 338.0 | 309.6 | 269.0 | 290.1 | 272.2 | 319.9 | 279.7 | 269.4 | 202.7 | 238.213 | 204.095 | 214.372 | 203.93 | 247.095 | 193.757 | 260.756 | 264.047 | 270.252 | 245.105 | 326.061 | 293.841 | 306.81 | 266.24 | 303.767 | 301.757 | 298.266 | 273.648 | 303.858 | 254.249 | 239.939 | 216.106 | 219.635 | 211.311 | 200.698 | 162.941 | 158.838 | 139.205 | 139.144 | 118.205 |
| us-gaap:Revenues | ▇▆▇▆▇▇▇█▇▆▆▆▇▆▆▅▅▄▄▄▅▃▆▆▆▅█▇▇▆▇▇▇▆▇▅▅▄▄▄▄▂▂▂▂▁ | 322.0 | 288.5 | 312.4 | 273.2 | 310.4 | 301.9 | 321.4 | 338.0 | 309.6 | 269.0 | 290.1 | 272.2 | 319.9 | 279.7 | 269.4 | 240.531 | 238.213 | 204.095 | 214.372 | 203.93 | 247.095 | 193.757 | 260.756 | 264.047 | 270.252 | 245.105 | 326.061 | 293.841 | 306.81 | 266.24 | 303.767 | 301.757 | 298.266 | 273.648 | 303.858 | 254.249 | 239.939 | 216.106 | 219.635 | 211.311 | 200.698 | 162.941 | 158.838 | 139.205 | 139.144 | 118.205 |
| us-gaap:SellingGeneralAndAdministrativeExpense | ▆▆▅▅▅▇▇█▆█▅▆█▇██▆▇▇▅▆▆▇▆▆▇▇▆▇▇▆▆▇▆▆▅▃▄▃▃▄▃▂▁▁▁ | 48.0 | 46.2 | 41.0 | 41.1 | 45.0 | 53.9 | 53.1 | 57.5 | 50.2 | 55.3 | 41.4 | 45.8 | 55.3 | 54.1 | 55.754 | 56.714 | 50.205 | 52.427 | 52.049 | 45.43 | 48.896 | 49.536 | 53.896 | 48.108 | 45.628 | 53.162 | 50.802 | 46.377 | 53.662 | 50.911 | 49.453 | 47.934 | 51.905 | 47.204 | 47.966 | 42.17 | 34.726 | 40.626 | 35.209 | 34.127 | 36.337 | 34.862 | 29.262 | 26.225 | 25.529 | 23.957 |
| 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 | 2010-06-30 | 2010-03-31 |
|---|
| 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 | 2010-06-30 | 2010-03-31 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| us-gaap:Assets | █▇▇▇▇▆▇▇▅▅▅▄▄▄▄▄▂▂▂▂▂▂▂▃▃▃▃▃▃▃▃▃▃▃▂▂▂▂▂▂▁▁▁ | 2830.0 | 2652.3 | 2570.5 | 2452.9 | 2452.6 | 2423.0 | 2481.4 | 2497.8 | 1983.9 | 1913.3 | 1897.7 | 1738.5 | 1749.3 | 1752.1 | 1724.7 | 1693.023 | 1239.309 | 1232.627 | 1233.082 | 1217.865 | 1209.456 | 1177.062 | 1201.976 | 1439.154 | 1466.053 | 1453.892 | 1462.063 | 1495.605 | 1487.993 | 1464.953 | 1461.63 | 1461.244 | 1390.682 | 1357.341 | 1327.841 | 1323.236 | 1211.859 | 1184.387 | 1174.475 | 1280.767 | 1008.562 | 960.446 | 954.839 | NA | NA | NA |
| us-gaap:Liabilities | █▆▅▇▇▇██▄▆▅▅▅▅▅▅▁▁▁▁▁▁▁▁▂▂▂▂▂▂▂▃▂ | 1246.2 | 1086.3 | 991.2 | 1160.8 | 1206.2 | 1208.1 | 1249.0 | 1294.7 | 785.2 | 1019.8 | 1008.7 | 897.5 | 929.2 | 923.5 | 919.5 | 960.615 | 518.884 | 529.704 | 534.405 | 505.534 | 512.88 | 495.569 | 526.24 | 528.642 | 554.829 | 564.499 | 574.983 | 626.068 | 635.089 | 633.187 | 643.047 | 680.811 | 643.144 | NA | 628.058 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| us-gaap:LiabilitiesAndStockholdersEquity | █▇▇▇▇▆▇▇▅▅▅▄▄▄▄▄▂▂▂▂▂▂▂▃▃▃▃▃▃▃▃▃▃▃▂▂▂▂▂▂▁▁▁ | 2830.0 | 2652.3 | 2570.5 | 2452.9 | 2452.6 | 2423.0 | 2481.4 | 2497.8 | 1983.9 | 1913.3 | 1897.7 | 1738.5 | 1749.3 | 1752.1 | 1724.7 | 1693.023 | 1239.309 | 1232.627 | 1233.082 | 1217.865 | 1209.456 | 1177.062 | 1201.976 | 1439.154 | 1466.053 | 1453.892 | 1462.063 | 1495.605 | 1487.993 | 1464.953 | 1461.63 | 1461.244 | 1390.682 | 1357.341 | 1327.841 | 1323.236 | 1211.859 | 1184.387 | 1174.475 | 1280.767 | 1008.562 | 960.446 | 954.839 | NA | NA | NA |
| us-gaap:StockholdersEquity | ███▆▆▆▆▆▆▄▄▃▃▃▃▂▂▂▂▂▂▂▂▄▄▃▃▃▃▃▃▂▂▂▂▂▂▂▂▂▁▁▁ | 1576.4 | 1559.0 | 1572.7 | 1286.2 | 1240.7 | 1210.1 | 1227.6 | 1198.5 | 1193.9 | 888.8 | 884.5 | 836.8 | 816.3 | 825.0 | 802.2 | 729.807 | 718.465 | 701.542 | 697.265 | 710.256 | 693.137 | 676.346 | 670.592 | 904.227 | 904.064 | 882.192 | 879.879 | 862.62 | 846.361 | 824.335 | 754.785 | 716.796 | 681.83 | 719.964 | 696.478 | 675.615 | 649.767 | 633.5 | 611.039 | 600.886 | 538.267 | 515.309 | 499.164 | NA | NA | NA |
| 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 | 2010-06-30 | 2010-03-31 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| us-gaap:AssetsCurrent | █▆▅▆▅▅▅▅▆▅▅▅▅▅▄▄▄▄▅▄▄▃▄▃▄▄▄▅▅▅▅▅▄▄▃▃▄▄▄▅▂▁▁ | 875.3 | 713.8 | 703.0 | 728.5 | 684.3 | 651.1 | 673.6 | 683.9 | 710.7 | 645.2 | 661.7 | 667.8 | 661.0 | 650.0 | 634.0 | 622.201 | 635.684 | 633.036 | 652.977 | 627.742 | 608.86 | 565.317 | 587.23 | 572.657 | 611.6 | 610.659 | 604.604 | 653.24 | 653.361 | 642.673 | 649.443 | 665.101 | 606.262 | 583.827 | 556.424 | 571.871 | 637.163 | 605.757 | 597.629 | 697.817 | 454.424 | 409.281 | 406.096 | NA | NA | NA |
| us-gaap:CashAndCashEquivalentsAtCarryingValue | ▄▂▂▂▂▁▂▁▃▁▂▃▃▃▂▂▅▅▆▅▄▃▂▁▁▁▂▃▃▃▂▃▂▂▃▂▅▅▅█▃▃▃▄▄▄ | 197.8 | 114.9 | 125.1 | 120.7 | 122.5 | 89.3 | 119.0 | 80.7 | 148.5 | 71.9 | 118.1 | 157.2 | 148.5 | 142.8 | 122.6 | 124.658 | 234.427 | 243.824 | 281.959 | 267.276 | 213.158 | 159.054 | 123.708 | 82.537 | 82.885 | 83.367 | 103.656 | 140.422 | 142.674 | 140.419 | 137.345 | 151.828 | 125.782 | 126.268 | 141.498 | 105.775 | 254.709 | 242.52 | 256.861 | 382.045 | 152.375 | 146.996 | 165.112 | 208.646 | 188.69 | 213.477 |
| us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents | ▅▂▃▃▃▂▃▁▄▁▃▄▄▄▃▃▇▇█ | 198.8 | 115.9 | 126.1 | 121.7 | 123.5 | 90.3 | 120.0 | 81.7 | 149.5 | 72.9 | 119.1 | 158.2 | 149.5 | 149.3 | 131.4 | 133.4 | 240.9 | 250.2 | 282.0 | NA | NA | NA | 123.7 | NA | NA | NA | 103.6 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| us-gaap:AccountsReceivableNetCurrent | █▆▇▅▆▆▇█▇▇▆▆▇▇█▇▄▃▄▃▄▄▆▅▇▆▆▆▇▆█▇▅▅▄▆▄▃▃▃▃▁▁ | 220.0 | 186.4 | 200.8 | 163.6 | 184.4 | 195.1 | 202.6 | 224.5 | 204.4 | 205.2 | 194.8 | 177.3 | 204.4 | 207.3 | 222.7 | 195.785 | 154.319 | 130.967 | 142.762 | 132.556 | 150.902 | 140.447 | 183.514 | 174.909 | 203.912 | 193.228 | 178.613 | 182.307 | 199.478 | 178.23 | 224.114 | 213.786 | 173.845 | 166.089 | 150.296 | 181.17 | 144.355 | 127.254 | 131.904 | 123.135 | 121.73 | 94.047 | 88.131 | NA | NA | NA |
| us-gaap:InventoryNet | █▇▆▆▆▅▅▅▅▅▅▄▅▅▅▅▄▄▃▄▄▄▄▅▅▅▅▅▅▅▅▅▅▅▄▄▃▃▃▂▂▂▁ | 310.1 | 279.9 | 248.4 | 237.6 | 248.6 | 235.4 | 219.4 | 234.9 | 228.8 | 234.7 | 233.1 | 188.2 | 233.5 | 223.1 | 208.9 | 213.59 | 184.291 | 185.275 | 169.683 | 182.227 | 191.681 | 203.866 | 199.302 | 220.844 | 231.555 | 231.235 | 215.725 | 227.527 | 226.956 | 223.995 | 213.004 | 210.984 | 211.693 | 208.844 | 196.501 | 204.779 | 175.064 | 167.855 | 149.822 | 135.732 | 123.238 | 119.493 | 104.435 | NA | NA | NA |
| us-gaap:InventoryFinishedGoods | ▅▅▃▄▄▃▃▄▅▅▅▄▆▅▄▅▅▄▄▅▅▇▆██▇▆▇▆▅▅▅▅▅▄▄▂▂▁ | 80.8 | 81.5 | 65.9 | 74.0 | 71.1 | 66.9 | 67.9 | 75.6 | 77.2 | 77.5 | 82.4 | 69.0 | 83.8 | 77.7 | 74.3 | 78.317 | 78.23 | 74.158 | 72.388 | 76.387 | 82.519 | 96.342 | 88.901 | 100.216 | 103.122 | 93.086 | 85.657 | 95.64 | 88.857 | 81.664 | 76.994 | 82.629 | 78.718 | 78.76 | 69.83 | 73.374 | 55.923 | 56.929 | 48.945 | NA | NA | NA | 45.227 | NA | NA | NA |
| us-gaap:InventoryRawMaterialsAndSupplies | █▆▅▄▄▃▃▃▃▃▂▁▄▃▂ | 161.2 | 140.6 | 124.7 | 115.1 | 123.7 | 111.6 | 104.0 | 108.7 | 106.4 | 112.5 | 97.7 | 86.7 | 116.0 | 109.4 | 97.2 | NA | NA | NA | 65.7 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| us-gaap:OtherAssetsCurrent | █▄▄▃▄▃▄▆▆▇▇▁▂▃▃▄▂▂▁▁▂▂▁▁▂▂▁▁▁▂▂▂▂▂▂▁▃▄▃▄▄▄▂ | 55.9 | 31.6 | 29.3 | 24.8 | 29.0 | 26.9 | 28.7 | 45.0 | 42.5 | 46.7 | 47.2 | 14.0 | 19.2 | 22.4 | 27.4 | 30.808 | 16.76 | 18.847 | 15.075 | 14.832 | 21.294 | 19.191 | 12.929 | 12.097 | 15.537 | 16.018 | 15.009 | 13.937 | 14.06 | 17.99 | 16.072 | 17.721 | 17.766 | 16.184 | 15.985 | 11.959 | 22.248 | 32.194 | 26.707 | 31.348 | 33.624 | 28.219 | 21.227 | NA | NA | NA |
| 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 | 2010-06-30 | 2010-03-31 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| us-gaap:AmortizationOfIntangibleAssets | ▅▅▅▅██▆█▄▄▃▂▃▃▃▁▁▁▁▁▁▁▂▂▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁ | 9.6 | 8.8 | 8.4 | 9.4 | 14.0 | 14.0 | 11.5 | 13.8 | 7.3 | 7.2 | 6.2 | 5.0 | 5.7 | 6.1 | 5.699 | 3.24 | 3.075 | 2.986 | 2.717 | 2.912 | 3.116 | 3.128 | 4.234 | 4.572 | 4.123 | 4.404 | 4.48 | 4.501 | 4.475 | 4.489 | 4.588 | 4.825 | 4.922 | 4.895 | 4.662 | 3.81 | 3.25 | 3.07 | 3.429 | 3.342 | 3.288 | 3.317 | 2.822 | 2.728 | 2.783 | 2.716 |
| us-gaap:PropertyPlantAndEquipmentNet | NA | NA | 414.5 | 396.0 | 397.5 | 399.3 | 404.6 | 398.9 | 380.9 | 384.6 | 361.1 | 288.4 | 304.0 | 305.0 | 297.6 | 293.145 | 259.791 | 254.635 | 251.049 | 258.081 | 261.613 | 266.998 | 266.277 | 267.374 | 264.676 | 261.409 | 257.645 | 246.84 | 238.772 | 228.334 | 224.205 | 206.541 | 189.11 | 176.115 | 169.776 | 158.672 | 145.279 | 141.952 | 137.301 | 137.681 | 123.295 | 120.973 | 116.158 | NA | NA | NA | |
| us-gaap:PropertyPlantAndEquipmentNet us-gaap:StatementGeographical country:CN | NA | NA | 61.5 | NA | NA | NA | 67.8 | NA | NA | NA | 77.2 | NA | NA | NA | 82.9 | NA | NA | NA | 75.409 | NA | NA | NA | 79.691 | NA | NA | NA | 57.58 | NA | NA | NA | 38.569 | NA | NA | NA | 34.158 | NA | NA | NA | 23.41 | NA | NA | NA | NA | NA | NA | NA | |
| us-gaap:PropertyPlantAndEquipmentNet us-gaap:StatementGeographical country:CZ | NA | NA | 29.0 | NA | NA | NA | 25.8 | NA | NA | NA | 21.5 | NA | NA | NA | 20.7 | NA | NA | NA | 18.454 | NA | NA | NA | 19.742 | NA | NA | NA | 22.511 | NA | NA | NA | 23.623 | NA | NA | NA | 21.559 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| us-gaap:PropertyPlantAndEquipmentNet us-gaap:StatementGeographical country:DE | NA | NA | 16.1 | NA | NA | NA | 15.6 | NA | NA | NA | 12.9 | NA | NA | NA | 13.4 | NA | NA | NA | 11.572 | NA | NA | NA | 12.246 | NA | NA | NA | 13.495 | NA | NA | NA | 14.618 | NA | NA | NA | 14.402 | NA | NA | NA | 14.672 | NA | NA | NA | NA | NA | NA | NA | |
| us-gaap:PropertyPlantAndEquipmentNet us-gaap:StatementGeographical country:IN | NA | NA | 14.1 | NA | NA | NA | 13.7 | NA | NA | NA | 19.8 | NA | NA | NA | 0.0 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| us-gaap:PropertyPlantAndEquipmentNet us-gaap:StatementGeographical country:IT | NA | NA | 69.9 | NA | NA | NA | 56.4 | NA | NA | NA | 52.9 | NA | NA | NA | 2.0 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| us-gaap:PropertyPlantAndEquipmentNet us-gaap:StatementGeographical country:US | NA | NA | 223.9 | NA | NA | NA | 224.8 | NA | NA | NA | 176.8 | NA | NA | NA | 177.9 | NA | NA | NA | 145.014 | NA | NA | NA | 153.987 | NA | NA | NA | 163.425 | NA | NA | NA | 146.61 | NA | NA | NA | 98.425 | NA | NA | NA | 75.848 | NA | NA | NA | NA | NA | NA | NA | |
| us-gaap:PropertyPlantAndEquipmentNet us-gaap:StatementGeographical us-gaap:NonUs | NA | NA | 190.6 | NA | NA | NA | 179.8 | NA | NA | NA | 184.3 | NA | NA | NA | 119.7 | NA | NA | NA | 106.035 | NA | NA | NA | 112.29 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| us-gaap:Goodwill | ███▇▇▇▇▇▄▄▄▃▄▄▄▃▁▁▁▁▁▁▁▃▃▃▃▃▃▃▃▃▃▃▃▃▂▂▂▂▂▂▂ | 896.1 | 911.3 | 865.9 | 817.6 | 844.2 | 841.2 | 844.9 | 798.0 | 542.6 | 537.1 | 520.7 | 457.2 | 472.0 | 475.0 | 468.8 | 457.481 | 228.237 | 228.352 | 217.97 | 219.091 | 218.99 | 219.258 | 218.39 | 414.121 | 404.054 | 403.26 | 405.522 | 406.345 | 407.36 | 398.931 | 398.905 | 399.099 | 399.78 | 398.287 | 398.941 | 387.242 | 288.25 | 289.436 | 288.77 | 286.222 | 279.73 | 276.434 | 275.252 | NA | NA | NA |
| us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass us-gaap:TrademarksAndTradeNames | ▇▇▇████▇▄▄▄▄▅▅▅▅▁▁▁▁▁▁▁▂▂▂▂▂▂▂▂▂ | 145.7 | 143.1 | 143.9 | 158.8 | 163.7 | 163.2 | 163.9 | 153.6 | 98.3 | 98.2 | 98.3 | 98.4 | 104.7 | 105.1 | 105.1 | 108.165 | 35.724 | 35.648 | 35.633 | 35.697 | 35.691 | 35.754 | 35.701 | 47.537 | 47.535 | 47.477 | 47.662 | 47.728 | 47.869 | 47.88 | 47.876 | 47.931 | NA | NA | 47.762 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| us-gaap:IntangibleAssetsNetExcludingGoodwill | ▇▇▇▇▇▇▇█▄▄▄▄▄▄▄▄▁▁▁▁▁▁▁▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂ | 491.0 | 481.4 | 493.1 | 488.7 | 500.5 | 512.4 | 529.1 | 577.8 | 316.4 | 322.5 | 330.4 | 270.3 | 291.0 | 300.0 | 302.5 | 298.878 | 97.106 | 99.031 | 93.443 | 96.913 | 100.339 | 103.988 | 106.714 | 161.228 | 156.349 | 148.483 | 153.666 | 158.385 | 164.443 | 167.625 | 172.142 | 176.596 | 181.164 | 184.391 | 189.463 | 194.631 | 130.581 | 137.334 | 140.553 | 145.662 | 138.469 | 141.145 | 144.286 | NA | NA | NA |
| us-gaap:OperatingLeaseRightOfUseAsset | ▁▂▄█ | 27.5 | 28.0 | 29.0 | 31.2 | NA | 29.0 | 34.0 | 34.9 | 29.0 | 29.8 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| us-gaap:OtherAssetsNoncurrent | ▆▃▂▂▃▁▂▄▆▄▄▃▄▄▄▄▃▃▃▂▃▄▄▄▅▆█▆▄▅▃▂▂▂▂▁▁▁▁▂▂▂▂ | 32.2 | 16.6 | 15.1 | 12.4 | 16.8 | 10.9 | 15.8 | 23.3 | 33.3 | 23.9 | 23.8 | 18.1 | 21.3 | 22.1 | 21.8 | 21.318 | 18.491 | 17.573 | 17.643 | 16.038 | 19.654 | 21.501 | 23.365 | 23.774 | 29.374 | 30.081 | 40.626 | 30.795 | 24.057 | 27.39 | 16.935 | 13.907 | 14.366 | 14.721 | 13.237 | 10.82 | 10.586 | 9.908 | 10.222 | 13.385 | 12.644 | 12.613 | 13.047 | NA | NA | NA |
| us-gaap:EquitySecuritiesFvNi | ▇█▁ | 108.2 | 114.6 | 73.6 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 | 2010-06-30 | 2010-03-31 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| us-gaap:AccountsPayableCurrent | █▇▆▄▄▅▅▅▅▅▅▃▅▅▅▄▃▃▃▂▂▂▄▃▃▄▅▄▄▃▄▄▄▄▄▃▂▂▃▂▂▁▁ | 170.4 | 151.8 | 140.1 | 107.7 | 110.6 | 120.3 | 125.0 | 120.7 | 114.0 | 121.1 | 125.5 | 94.8 | 128.6 | 124.4 | 113.9 | 109.939 | 82.351 | 88.872 | 79.953 | 65.737 | 65.871 | 68.25 | 97.413 | 85.768 | 95.565 | 105.468 | 114.252 | 104.269 | 109.699 | 94.509 | 101.805 | 97.496 | 101.813 | 96.871 | 100.528 | 85.416 | 67.682 | 72.304 | 84.297 | 76.01 | 71.091 | 61.997 | 54.749 | NA | NA | NA |
| us-gaap:AccruedIncomeTaxesCurrent | ▂██▂▂▁▁ | 17.3 | 46.0 | 46.5 | 14.5 | 16.8 | 13.0 | 11.8 | NA | NA | NA | 3.3 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | 4.47 | NA | NA | NA | 2.244 | NA | NA | NA | 0.0 | NA | NA | NA | 1.066 | NA | NA | NA |
| us-gaap:ContractWithCustomerLiabilityCurrent | ▆▁▄▆█▆▇▅▇▇▇ | 126.1 | 106.3 | 118.9 | 124.7 | 133.6 | 124.3 | 127.8 | 120.5 | 128.3 | 129.5 | 130.0 | NA | NA | NA | 109.6 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| us-gaap:LiabilitiesCurrent | ██▇▄▄▄▄▄▄▇▄▃▄▄▄▆▂▂▂▂▂▂▂▂▂▃▃▃▃▃▆▆▅▃▂▃▂▂▂▄▁▁▁ | 675.8 | 660.3 | 634.8 | 352.9 | 359.6 | 358.1 | 378.3 | 374.4 | 354.9 | 579.2 | 366.6 | 312.8 | 393.0 | 382.0 | 387.6 | 550.455 | 240.852 | 252.127 | 261.534 | 224.6 | 234.948 | 228.123 | 262.039 | 238.587 | 262.712 | 274.588 | 287.759 | 281.128 | 294.234 | 291.942 | 499.304 | 521.388 | 482.787 | 280.252 | 273.775 | 294.346 | 241.547 | 255.15 | 265.493 | 385.91 | 191.384 | 164.308 | 171.183 | NA | NA | NA |
| us-gaap:LongTermDebtCurrent | ██▇▁▁▁▁▁▁▇▁▁▃▃▃ | 255.5 | 255.2 | 220.9 | 11.3 | 12.5 | 12.0 | 15.7 | 15.9 | 4.5 | 214.8 | 11.2 | 9.7 | 66.8 | 63.0 | 58.9 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | 0.0 | 0.0 | 4.687 | 3.75 | 3.75 | 3.75 | 3.75 | 3.75 | 3.75 | 3.75 | 3.75 | 6.5 | 6.5 | 169.675 | 6.5 | 6.5 | 6.5 | NA | NA | NA |
| us-gaap:OperatingLeaseLiabilityCurrent | ▁▁▁▂▁▃▆█ | 5.0 | 5.1 | 5.1 | 5.3 | 5.1 | 5.4 | 6.3 | 6.8 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| us-gaap:OtherLiabilitiesCurrent | ▆▆▅▃▃▄▃▆▆█▄▃▃▂▃▃▂▃▄▂▂▂▃▂▁▂▃▁▂▂▃▁▃▁▂▂▁▂▁ | 59.7 | 58.3 | 52.6 | 40.5 | 37.1 | 42.7 | 39.2 | 58.4 | 62.8 | 73.6 | 44.7 | 39.5 | 39.2 | 32.4 | 41.4 | 37.102 | 34.246 | 38.366 | 43.353 | 30.045 | 34.901 | 28.726 | 38.209 | 31.378 | 27.368 | 32.899 | 36.466 | 27.023 | 33.666 | 31.189 | 35.456 | 27.986 | 37.992 | 25.945 | 30.47 | 28.17 | 26.015 | 28.21 | 24.653 | NA | NA | NA | 25.813 | NA | NA | NA |
| 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 | 2010-06-30 | 2010-03-31 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| us-gaap:LongTermDebt us-gaap:CreditFacility,us-gaap:DebtInstrument us-gaap:RevolvingCreditFacility,gtls:CreditFacilities2024 | ▇▃▁█ | 450.6 | 303.1 | 221.6 | 487.8 | NA | NA | 560.7 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| us-gaap:LongTermDebtNoncurrent | ▅▃▃▇▇███▃▃▆▅▅▅▅▃▃▃▃▃▃▂▂▂▂▂▂▃▃▃▁▁▁▃▃▃▃▃▃▃▂▂▂ | 450.6 | 303.1 | 221.6 | 695.4 | 736.0 | 741.5 | 761.0 | 792.5 | 304.7 | 318.0 | 533.2 | 500.5 | 443.9 | 449.2 | 439.2 | 304.012 | 237.894 | 237.202 | 233.711 | 232.079 | 228.81 | 217.005 | 215.634 | 212.665 | 209.753 | 206.898 | 204.099 | 266.979 | 260.538 | 259.774 | 64.688 | 65.625 | 66.563 | 253.474 | 252.021 | 250.64 | 249.278 | 223.837 | 223.224 | 222.681 | 215.175 | 216.8 | 218.425 | NA | NA | NA |
| us-gaap:DeferredIncomeTaxLiabilitiesNet | ▁▂▄▃▃▂▂▆▇▇█▃ | 46.3 | 49.9 | 60.2 | 56.1 | 53.5 | 52.6 | 52.1 | 68.2 | 73.0 | 73.1 | 76.4 | 55.3 | NA | NA | 62.1 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent | ▃▃▃▂▃▃▃▄▄▄▄▃▃▃▃▄▅▅▆▆▇▇▇▆▇▇▇▁▂▂▂▇███▅▆▆▆ | 8.5 | 9.1 | 9.6 | 8.1 | 9.4 | 10.0 | 10.2 | 10.7 | 11.3 | 11.5 | 11.7 | 8.4 | 8.8 | 9.1 | 9.4 | 10.896 | 14.051 | 14.207 | 14.362 | 15.776 | 17.011 | 17.137 | 17.283 | 16.238 | 16.465 | 16.693 | 16.92 | 5.222 | 6.782 | 7.322 | 7.719 | 18.248 | 18.819 | 19.179 | 19.327 | 13.841 | 14.906 | 15.457 | 15.905 | NA | NA | NA | 11.483 | NA | NA | NA |
| us-gaap:MinorityInterest | ██▇▆▆▅▅▅▅▅▅▄▄▄▃▂▂▁▁▂▃▅▅▇███▇▇██▅▄▄▃▃▃▂▂▂▂▂▂ | 7.4 | 7.0 | 6.6 | 5.9 | 5.7 | 4.8 | 4.8 | 4.6 | 4.8 | 4.7 | 4.5 | 4.2 | 3.8 | 3.6 | 3.0 | 2.601 | 1.96 | 1.381 | 1.412 | 2.075 | 3.439 | 5.147 | 5.144 | 6.285 | 7.16 | 7.201 | 7.201 | 6.917 | 6.543 | 7.431 | 7.235 | 4.537 | 4.121 | 3.897 | 3.305 | 3.367 | 2.857 | 2.604 | 2.512 | 2.619 | 2.65 | 2.058 | 2.21 | NA | NA | NA |
| us-gaap:OtherLiabilitiesNoncurrent | ▅▅▅▃▃▂▂▂▅▄▂▂▂▂▂▂▂▂▂▂▂▃▂▁▁▁▁▁▁▁▁▁▁▁▁▂▁▁▂█▇▇▂ | 42.8 | 41.2 | 41.4 | 22.7 | 22.3 | 19.3 | 19.6 | 20.2 | 41.3 | 38.0 | 20.8 | 17.1 | 20.1 | 20.3 | 20.8 | 18.612 | 18.609 | 19.15 | 17.579 | 20.624 | 20.392 | 21.088 | 20.504 | 12.215 | 9.17 | 9.471 | 9.396 | 10.27 | 9.48 | 9.212 | 9.36 | 9.771 | 9.226 | 9.185 | 11.295 | 17.002 | 8.093 | 7.998 | 12.357 | 68.671 | 61.086 | 61.971 | 13.234 | NA | NA | NA |
| us-gaap:OperatingLeaseLiabilityNoncurrent | ▁▂▃▅▅▇█ | 22.2 | 22.7 | 23.6 | 25.6 | 25.4 | 26.6 | 27.8 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo | ▃▁▆█ | 5.8 | 5.6 | 6.2 | 6.5 | NA | NA | NA | 7.1 | NA | NA | 6.9 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree | ▃▁▅█ | 5.3 | 5.1 | 5.6 | 5.9 | NA | NA | NA | 6.4 | NA | NA | 5.7 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour | ▂▁▆█ | 4.5 | 4.3 | 5.1 | 5.5 | NA | NA | NA | 6.1 | NA | NA | 5.3 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive | NA | NA | 4.3 | NA | NA | NA | NA | 5.5 | NA | NA | 4.6 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive | NA | NA | 3.5 | NA | NA | NA | NA | 13.1 | NA | NA | 9.2 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 | 2010-06-30 | 2010-03-31 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| us-gaap:StockholdersEquity | ███▆▆▆▆▆▆▄▄▃▃▃▃▂▂▂▂▂▂▂▂▄▄▃▃▃▃▃▃▂▂▂▂▂▂▂▂▂▁▁▁ | 1576.4 | 1559.0 | 1572.7 | 1286.2 | 1240.7 | 1210.1 | 1227.6 | 1198.5 | 1193.9 | 888.8 | 884.5 | 836.8 | 816.3 | 825.0 | 802.2 | 729.807 | 718.465 | 701.542 | 697.265 | 710.256 | 693.137 | 676.346 | 670.592 | 904.227 | 904.064 | 882.192 | 879.879 | 862.62 | 846.361 | 824.335 | 754.785 | 716.796 | 681.83 | 719.964 | 696.478 | 675.615 | 649.767 | 633.5 | 611.039 | 600.886 | 538.267 | 515.309 | 499.164 | NA | NA | NA |
| us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest | ███▆▆▆▆▆▆▄▄▃▃▃▃▂▂▂▂▂▂▂▂▄▄▄▃▃▃▃▃▂▂▂▂▂▂▂▂▂▁▁▁ | 1583.8 | 1566.0 | 1579.3 | 1292.1 | 1246.4 | 1214.9 | 1232.4 | 1203.1 | 1198.7 | 893.5 | 889.0 | 841.0 | 820.1 | 828.6 | 805.2 | 732.408 | 720.425 | 702.923 | 698.677 | 712.331 | 696.576 | 681.493 | 675.736 | 910.512 | 911.224 | 889.393 | 887.08 | 869.537 | 852.904 | 831.766 | 762.02 | 721.333 | 685.951 | 723.861 | 699.783 | 678.982 | 652.624 | 636.104 | 613.551 | 603.505 | 540.917 | 517.367 | 501.374 | NA | NA | NA |
| us-gaap:CommonStockValue | █████████▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁▁ | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.308 | 0.307 | 0.307 | 0.306 | 0.306 | 0.306 | 0.305 | 0.305 | 0.305 | 0.305 | 0.305 | 0.305 | 0.305 | 0.305 | 0.305 | 0.304 | 0.304 | 0.303 | 0.303 | 0.3 | 0.3 | 0.299 | 0.299 | 0.296 | 0.295 | 0.294 | 0.291 | 0.288 | NA | NA | NA |
| us-gaap:AdditionalPaidInCapital | █████████▃▃▃▃▃▃▃▃▂▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁▂▂▂▂▂▁ | 753.3 | 750.0 | 780.8 | 772.4 | 768.6 | 766.0 | 762.8 | 759.5 | 757.2 | 468.2 | 460.2 | 452.8 | 448.4 | 448.0 | 445.7 | 404.502 | 402.851 | 400.355 | 395.843 | 394.459 | 392.636 | 391.025 | 387.1 | 385.511 | 384.146 | 382.092 | 377.209 | 374.999 | 373.478 | 371.403 | 311.972 | 305.019 | 299.041 | 357.506 | 348.526 | 345.707 | 340.919 | 339.145 | 333.034 | NA | NA | NA | 258.425 | NA | NA | NA |
| us-gaap:RetainedEarningsAccumulatedDeficit | ███▅▄▄▄▄▄▄▄▃▃▃▃▂▂▂▂▂▂▂▂▄▄▄▄▄▄▃▃▃▃▂▂▂▂▂▁▁▁▁▁ | 851.2 | 844.7 | 808.4 | 550.6 | 528.9 | 508.8 | 500.3 | 487.9 | 469.2 | 454.8 | 453.9 | 406.9 | 384.7 | 372.4 | 364.3 | 337.709 | 336.199 | 333.416 | 336.328 | 339.618 | 324.593 | 303.44 | 308.091 | 538.214 | 533.454 | 516.297 | 511.051 | 484.104 | 461.253 | 441.184 | 429.187 | 405.991 | 381.546 | 361.546 | 346.011 | 325.251 | 306.735 | 288.799 | 274.716 | 266.301 | 248.761 | 238.17 | 230.64 | NA | NA | NA |
| us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax | ▅▄▆▄▂▁▂▁▃▃▃▄▄▇▅▅▄▃▂▄▄▄▄▄▅▄▅▇▇▇█▇▆▆▆▇▆▇▇▇██▇ | -9.2 | -16.8 | 2.4 | -17.9 | -37.9 | -45.8 | -35.9 | -49.3 | -32.9 | -34.5 | -29.9 | -23.2 | -17.1 | 4.3 | -8.1 | -12.712 | -20.892 | -32.536 | -35.212 | -24.127 | -24.398 | -18.424 | -24.904 | -19.803 | -13.841 | -16.502 | -8.686 | 3.212 | 11.325 | 11.443 | 13.322 | 5.482 | 0.94 | 0.609 | 1.641 | 4.357 | 1.814 | 5.257 | 2.993 | 6.175 | 17.221 | 15.876 | 9.811 | NA | NA | NA |
| us-gaap:MinorityInterest | ██▇▆▆▅▅▅▅▅▅▄▄▄▃▂▂▁▁▂▃▅▅▇███▇▇██▅▄▄▃▃▃▂▂▂▂▂▂ | 7.4 | 7.0 | 6.6 | 5.9 | 5.7 | 4.8 | 4.8 | 4.6 | 4.8 | 4.7 | 4.5 | 4.2 | 3.8 | 3.6 | 3.0 | 2.601 | 1.96 | 1.381 | 1.412 | 2.075 | 3.439 | 5.147 | 5.144 | 6.285 | 7.16 | 7.201 | 7.201 | 6.917 | 6.543 | 7.431 | 7.235 | 4.537 | 4.121 | 3.897 | 3.305 | 3.367 | 2.857 | 2.604 | 2.512 | 2.619 | 2.65 | 2.058 | 2.21 | NA | NA | NA |
| us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue | ▁█ | 2.4 | 3.4 | NA | 2.2 | 2.0 | 2.9 | NA | 2.1 | 1.9 | 2.4 | NA | 0.8 | 0.1 | 3.2 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 | 2010-06-30 | 2010-03-31 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| us-gaap:NetCashProvidedByUsedInOperatingActivities | ▁█ | -36.6 | 8.3 | NA | NA | 54.8 | 25.5 | 78.6 | 55.7 | 32.8 | -33.2 | 55.4 | 16.9 | 23.7 | 23.0 | 29.463 | 20.424 | -4.087 | 1.2 | 24.222 | 59.763 | 48.65 | 38.179 | 46.893 | 46.478 | 7.118 | 1.5 | 52.612 | 23.762 | 21.482 | 20.861 | 40.23 | 9.051 | 34.02 | -23.638 | 73.168 | 19.398 | 4.247 | -9.172 | 44.615 | 51.822 | 3.607 | -18.386 | 1.489 | 22.405 | 4.885 | 9.795 |
| us-gaap:NetCashProvidedByUsedInInvestingActivities | █▁ | -28.0 | -106.3 | NA | NA | -10.0 | -10.2 | -9.3 | -613.9 | -10.6 | -8.9 | -222.5 | -7.2 | -11.9 | -19.0 | -11.921 | -429.176 | -7.5 | -31.403 | -4.342 | -3.55 | -4.957 | -5.232 | -2.293 | -35.589 | -20.502 | -15.14 | -19.348 | -17.22 | -20.91 | -15.007 | -21.271 | -21.452 | -20.18 | -12.078 | -14.627 | -226.522 | 10.457 | 6.345 | -7.219 | -40.798 | -7.777 | -3.878 | -42.865 | -8.339 | -6.728 | -6.283 |
| us-gaap:NetCashProvidedByUsedInFinancingActivities | ▅▄▁▃▃▃▃█▄▃▄▃▃▄▃▆▃▃▃▃▄▃▃▃▄▃▃▃▃▃▃▄▃▄▃▄▄▃▂▅▄▃▃▃▃▃ | 147.2 | 87.8 | -264.6 | -45.0 | -11.8 | -42.0 | -35.6 | 496.3 | 53.5 | -2.6 | 30.9 | 1.2 | -3.9 | 10.0 | -20.982 | 300.085 | -0.69 | -3.213 | -1.109 | -2.251 | 10.892 | 0.199 | -0.451 | -10.175 | 11.043 | -1.025 | -69.798 | -0.865 | 1.871 | -2.001 | -33.28 | 34.381 | -15.713 | 22.719 | -22.797 | 19.177 | 19.079 | 1.982 | -162.131 | 222.66 | 7.659 | -0.477 | 0.155 | -1.923 | -17.501 | -0.033 |
| us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect | █▅▅▅▆▄▆▂█▃▄▅▅▆▅▁▅▄ | 82.9 | -10.2 | 4.4 | -1.8 | 33.2 | -29.7 | 38.3 | -67.8 | 76.6 | -46.2 | -39.1 | 8.7 | 0.2 | 17.9 | -1.1 | -107.5 | -9.3 | -32.7 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 | 2010-06-30 | 2010-03-31 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| us-gaap:AmortizationOfFinancingCosts | ▃▃▃▃▃▃▃▃▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▂▁█▁▁▁▁▁▅▁ | 1.1 | 1.2 | 1.1 | 1.1 | 1.1 | 1.0 | 1.0 | 1.0 | 0.6 | 0.4 | 0.3 | 0.3 | 0.4 | 0.3 | 0.316 | 0.321 | 0.321 | 0.321 | 0.321 | 0.321 | 0.321 | 0.321 | 0.321 | 0.322 | 0.321 | 0.326 | 0.413 | 0.326 | 0.327 | 0.326 | 0.327 | 0.326 | 0.327 | 0.326 | 0.327 | 0.326 | 0.556 | 0.321 | 3.289 | 0.445 | 0.324 | 0.325 | 0.327 | 0.37 | 1.962 | 0.404 |
| us-gaap:DepreciationDepletionAndAmortization | ▆▆▅▆██▇█▄▄▃▂▂▃▅▁ | 19.8 | 19.5 | 18.400000000000006 | 19.2 | 23.6 | 23.9 | 22.7 | 24.1 | 16.0 | 16.0 | 13.9 | 12.1 | 12.1 | 12.7 | 16.7 | 9.1 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| us-gaap:IncreaseDecreaseInAccountsReceivable | █▁█ | 33.6 | -14.4 | 37.2 | NA | NA | NA | NA | NA | NA | NA | -2.0 | -2.9 | -2.7 | -17.9 | 26.789 | 4.464 | 22.025 | -16.178 | 12.088 | -23.177 | 11.597 | -44.126 | 10.074 | -32.422 | 8.278 | 6.875 | -3.308 | -16.243 | 21.015 | -44.543 | 9.236 | 39.294 | 3.865 | 16.892 | -31.839 | 14.325 | 19.483 | -5.391 | 10.692 | -6.706 | 26.461 | 2.648 | -2.309 | -7.508 | 15.052 | -2.621 |
| us-gaap:IncreaseDecreaseInInventories | ▇█▅▃▅▅▂▄▃▅▂▃▅▆▃▄▃▆▂▂▂▄▁▂▃▆▂▄▄▅▄▃▄▅▃▃▄▆▅▄▄▅▄▅▃▄ | 28.799999999999994 | 36.3 | 8.3 | -2.6 | 13.1 | 16.1 | -15.6 | 2.6 | -6.8 | 10.4 | -14.6 | -7.6 | 14.7 | 21.6 | -7.564 | 1.907 | -3.552 | 20.909 | -9.433 | -9.194 | -10.163 | 3.111 | -20.061 | -9.729 | -0.959 | 18.761 | -10.956 | 2.282 | 4.68 | 12.144 | 0.608 | -3.892 | 0.259 | 15.704 | -6.817 | -1.08 | 6.6 | 17.074 | 9.435 | 6.094 | 3.188 | 12.911 | 4.665 | 9.993 | -3.198 | 2.257 |
| us-gaap:NetCashProvidedByUsedInOperatingActivities | ▁█ | -36.6 | 8.3 | NA | NA | 54.8 | 25.5 | 78.6 | 55.7 | 32.8 | -33.2 | 55.4 | 16.9 | 23.7 | 23.0 | 29.463 | 20.424 | -4.087 | 1.2 | 24.222 | 59.763 | 48.65 | 38.179 | 46.893 | 46.478 | 7.118 | 1.5 | 52.612 | 23.762 | 21.482 | 20.861 | 40.23 | 9.051 | 34.02 | -23.638 | 73.168 | 19.398 | 4.247 | -9.172 | 44.615 | 51.822 | 3.607 | -18.386 | 1.489 | 22.405 | 4.885 | 9.795 |
| us-gaap:NetIncomeLoss | ▄▅█▅▅▄▄▅▅▄▅▅▄▄▅▄▄▄▄▅▅▄▁▄▅▄▅▅▅▄▅▅▅▅▅▅▅▅▄▅▄▄▄▄▄▄ | 6.5 | 25.6 | 257.8 | 21.7 | 20.1 | 8.5 | 12.4 | 18.7 | 14.4 | 0.9 | 47.7 | 22.2 | 12.3 | 5.8 | 26.7 | 1.51 | 2.783 | -2.912 | -3.29 | 15.025 | 21.153 | -4.651 | -230.123 | 4.76 | 17.157 | 5.246 | 26.947 | 22.851 | 20.069 | 11.997 | 23.196 | 24.445 | 20.0 | 15.535 | 20.76 | 18.516 | 17.936 | 14.083 | 8.415 | 17.54 | 10.591 | 7.53 | 9.802 | 6.575 | 2.399 | 1.384 |
| us-gaap:ProfitLoss | ▄▅█▅▅▄▄▅▅▄▅▅▄▄▅▄▄▄▄▅▅▄▁▄▅▄▅▅▅▄▅▅▅▅▅▅▅▅▄▅▄▄▄▄▄▄ | 6.8 | 26.1 | 258.2 | 21.9 | 21.0 | 8.5 | 12.5 | 18.7 | 14.6 | 1.0 | 47.9 | 22.7 | 13.1 | 6.3 | 27.0 | 2.106 | 3.332 | -2.952 | -3.878 | 13.684 | 19.563 | -4.672 | -231.144 | 4.271 | 17.082 | 5.275 | 27.21 | 23.152 | 20.371 | 12.339 | 25.804 | 24.847 | 20.603 | 16.108 | 21.151 | 18.885 | 18.136 | 14.152 | 8.316 | 17.505 | 11.02 | 7.403 | 9.963 | 6.665 | 2.458 | 1.419 |
| 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 | 2010-06-30 | 2010-03-31 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| us-gaap:NetCashProvidedByUsedInInvestingActivities | █▁ | -28.0 | -106.3 | NA | NA | -10.0 | -10.2 | -9.3 | -613.9 | -10.6 | -8.9 | -222.5 | -7.2 | -11.9 | -19.0 | -11.921 | -429.176 | -7.5 | -31.403 | -4.342 | -3.55 | -4.957 | -5.232 | -2.293 | -35.589 | -20.502 | -15.14 | -19.348 | -17.22 | -20.91 | -15.007 | -21.271 | -21.452 | -20.18 | -12.078 | -14.627 | -226.522 | 10.457 | 6.345 | -7.219 | -40.798 | -7.777 | -3.878 | -42.865 | -8.339 | -6.728 | -6.283 |
| us-gaap:PaymentsToAcquirePropertyPlantAndEquipment | ▄▄▄▃▄▄▃▄▃▃▃▃▄▃▄▃▃▃▃▃▃▃▄▄▄▄▅▄▄▄▅▅▄▄▄█▁▂▃▃▃▃▃▃▃▃ | 15.2 | 11.5 | 11.0 | 5.9 | 10.7 | 10.3 | 9.5 | 11.6 | 9.2 | 5.9 | 9.2 | 8.4 | 12.5 | 6.6 | 11.793 | 6.4 | 8.371 | 8.386 | 4.374 | 3.993 | 4.186 | 5.232 | 10.973 | 11.587 | 9.651 | 14.828 | 19.249 | 17.221 | 15.248 | 10.417 | 21.776 | 21.583 | 17.148 | 12.078 | 14.734 | 45.753 | -10.457 | -6.345 | 7.219 | 4.728 | 6.167 | 4.266 | 5.154 | 3.886 | 3.96 | 3.939 |
| us-gaap:PaymentsToAcquireProductiveAssets | NA | NA | NA | 6.1 | 10.7 | 10.3 | 9.5 | 11.6 | 9.2 | 5.9 | 9.2 | 8.4 | 12.0 | 6.2 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | 14.734 | NA | NA | NA | 7.219 | NA | NA | NA | NA | NA | NA | NA | |
| us-gaap:PaymentsToAcquireProductiveAssets us-gaap:ConsolidationItems us-gaap:CorporateNonSegment | NA | NA | NA | 0.5 | 1.0 | 2.0 | 0.2 | 3.5 | 0.9 | 0.5 | -0.1 | 0.8 | 1.8 | 1.2 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| us-gaap:PaymentsToAcquireProductiveAssets us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,gtls:DistributionStorageEast | NA | NA | NA | 3.7 | 3.5 | 5.1 | 5.1 | 3.8 | 4.9 | 1.0 | 4.4 | 2.5 | 2.0 | 1.9 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| us-gaap:PaymentsToAcquireProductiveAssets us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,gtls:DistributionStorageWest | NA | NA | NA | 1.6 | 5.3 | 1.7 | 2.5 | 2.4 | 2.6 | 1.2 | 1.3 | 1.3 | 2.1 | 1.1 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| us-gaap:PaymentsToAcquireProductiveAssets us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,gtls:EnergyAndChemicalsCryogenics | NA | NA | NA | 0.2 | 0.5 | 1.0 | 0.5 | 0.9 | 0.4 | 2.7 | 2.2 | 2.9 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| us-gaap:PaymentsToAcquireProductiveAssets us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,gtls:EnergyAndChemicalsFinFans | NA | NA | NA | 0.1 | 0.4 | 0.5 | 1.2 | 1.0 | 0.4 | 0.5 | 1.4 | 0.9 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| us-gaap:PaymentsToAcquireInvestments | ▁█ | 12.9 | 40.0 | NA | NA | NA | NA | 0.0 | NA | NA | NA | 0.0 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 | 2010-06-30 | 2010-03-31 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| us-gaap:NetCashProvidedByUsedInFinancingActivities | ▅▄▁▃▃▃▃█▄▃▄▃▃▄▃▆▃▃▃▃▄▃▃▃▄▃▃▃▃▃▃▄▃▄▃▄▄▃▂▅▄▃▃▃▃▃ | 147.2 | 87.8 | -264.6 | -45.0 | -11.8 | -42.0 | -35.6 | 496.3 | 53.5 | -2.6 | 30.9 | 1.2 | -3.9 | 10.0 | -20.982 | 300.085 | -0.69 | -3.213 | -1.109 | -2.251 | 10.892 | 0.199 | -0.451 | -10.175 | 11.043 | -1.025 | -69.798 | -0.865 | 1.871 | -2.001 | -33.28 | 34.381 | -15.713 | 22.719 | -22.797 | 19.177 | 19.079 | 1.982 | -162.131 | 222.66 | 7.659 | -0.477 | 0.155 | -1.923 | -17.501 | -0.033 |
| us-gaap:PaymentsForRepurchaseOfCommonStock | NA | NA | 0.0 | 0.0 | 0.0 | 19.3 | -0.8 | 0.0 | 0.1 | 2.7 | 0.3 | 0.1 | 0.1 | 2.2 | 0.046 | 0.111 | 0.049 | 1.794 | 0.046 | 0.015 | 0.042 | 0.601 | 0.099 | 0.026 | 0.015 | 0.808 | 0.041 | 0.035 | 0.117 | 3.174 | 0.023 | 0.076 | 0.024 | 1.879 | -0.053 | 0.046 | 0.018 | 4.473 | 0.009 | 0.0 | 0.0 | 1.09 | NA | NA | NA | NA |
| 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 | 2010-06-30 | 2010-03-31 |
|---|
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2009-12-31 |
| Value | 400000.0 | 400000.0 | 400000.0 | 400000.0 | 400000.0 | 400000.0 | 400000.0 | 400000.0 | 400000.0 | 300000.0 | 300000.0 | 300000.0 | 300000.0 | 300000.0 | 300000.0 | 308000.0 | 307000.0 | 307000.0 | 306000.0 | 306000.0 | 306000.0 | 305000.0 | 305000.0 | 305000.0 | 305000.0 | 305000.0 | 305000.0 | 305000.0 | 305000.0 | 305000.0 | 304000.0 | 304000.0 | 303000.0 | 303000.0 | 300000.0 | 300000.0 | 299000.0 | 299000.0 | 296000.0 | 295000.0 | 294000.0 | 291000.0 | 288000.0 | 285000.0 |
| Percentage of CommonStockValue | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 | 2014-12-31 | 2013-12-31 | 2012-12-31 | 2011-12-31 | 2010-12-31 | 2009-12-31 | 2008-12-31 | 2007-12-31 |
| Value | 36 | 36 | 36 | 36 | 35 | 35 | 35 | 35 | 35 | 31 | 31 | 31 | 31 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 29 | 28 | 28 | 28 | 28 |
| Percentage of CommonStockSharesOutstanding | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-09-30 | 2010-06-30 | 2010-03-31 |
| Value | 40 | 40 | 35 | 35 | 36 | 36 | 34 | 33 | 32 | 32 | 31 | 31 | 31 | 30 | 31 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 31 | 32 | 31 | 30 | 30 | 30 | 30 | 29 | 29 | 29 | 29 | 29 | 29 |
| Percentage of WeightedAverageNumberOfDilutedSharesOutstanding | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-09-30 | 2010-06-30 | 2010-03-31 |
| Value | 35 | 35 | 35 | 35 | 35 | 35 | 32 | 31 | 31 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 29 | 29 | 29 | 29 | 29 | 28 | 28 | 28 | 28 |
| Percentage of WeightedAverageNumberOfSharesOutstandingBasic | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 |
| Value | 2700000.0 | 2630000.0 | 5080000.0 | 5060000.0 | 4910000.0 | 5180000.0 | 1390000.0 | 1340000.0 | 1760000.0 | 5730000.0 | 5510000.0 | 4004000.0 | 4063000.0 | 5228000.0 | 3923000.0 | 3893000.0 | 4884000.0 | 3934000.0 | 3528000.0 | 3588000.0 | 3495000.0 | 3717000.0 | 738000.0 | 1336000.0 | 837000.0 | 3679000.0 |
| Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-09-30 | 2017-06-30 |
| Value | 2640000.0 | 2570000.0 | 430000.0 | 0 | 0 | 590000.0 | 1250000.0 | 1200000.0 | 930000.0 | 290000.0 | 0 | 0 | 0 |
| Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount | 97.8 | 97.7 | 8.5 | 0.0 | 0.0 | 11.4 | 89.9 | 89.6 | 52.8 | 5.1 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-09-30 |
| Value | 60000.0 | 60000.0 | 250000.0 | 650000.0 | 500000.0 | 190000.0 | 140000.0 | 140000.0 | 60000.0 | 260000.0 | 330000.0 | 636000.0 | 695000.0 | 1860000.0 | 555000.0 | 525000.0 | 1516000.0 | 566000.0 |
| Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount | 2.2 | 2.3 | 4.9 | 12.8 | 10.2 | 3.7 | 10.1 | 10.4 | 3.4 | 4.5 | 6.0 | 15.9 | 17.1 | 35.6 | 14.1 | 13.5 | 31.0 | 14.4 |
| Period End | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 |
| Value | 4400000.0 | 4410000.0 | 4410000.0 | 4400000.0 | 0 | 0 | 770000.0 | 5180000.0 | 5180000.0 | 3368000.0 | 3368000.0 | 3368000.0 | 3368000.0 | 3368000.0 | 3368000.0 | 3368000.0 | 3368000.0 | 3368000.0 | 3368000.0 | 3368000.0 | 0 | 0 | 3266000.0 | 3368000.0 | 3368000.0 | 3368000.0 | 3368000.0 |
| Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount | 86.6 | 87.2 | 89.8 | 84.9 | 0.0 | 0.0 | 43.8 | 90.4 | 94.0 | 84.1 | 82.9 | 64.4 | 85.9 | 86.5 | 69.0 | 85.6 | 95.5 | 93.9 | 96.4 | 90.6 | 0.0 | 0.0 | 390.2 | 91.5 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 | 2010-06-30 | 2010-03-31 |
| Value | 0.18 | 0.72 | 7.29 | 0.62 | 0.57 | 0.24 | 0.35 | 0.52 | 0.44 | 0.03 | 1.52 | 0.72 | 0.4 | 0.19 | 0.87 | 0.05 | 0.09 | -0.09 | -0.11 | 0.49 | 0.69 | -0.15 | -7.54 | 0.16 | 0.56 | 0.17 | 0.89 | 0.75 | 0.66 | 0.4 | 0.76 | 0.81 | 0.66 | 0.52 | 0.69 | 0.62 | 0.6 | 0.48 | 0.29 | 0.6 | 0.36 | 0.26 | 0.34 | 0.23 | 0.08 | 0.05 |
| Percentage of EarningsPerShareBasic | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 | 2010-06-30 | 2010-03-31 |
| Value | 0.16 | 0.63 | 6.69 | 0.6 | 0.57 | 0.24 | 0.34 | 0.51 | 0.41 | 0.03 | 1.47 | 0.67 | 0.38 | 0.18 | 0.85 | 0.05 | 0.09 | -0.09 | -0.11 | 0.48 | 0.68 | -0.15 | -7.54 | 0.15 | 0.56 | 0.17 | 0.88 | 0.74 | 0.65 | 0.38 | 0.71 | 0.74 | 0.64 | 0.51 | 0.69 | 0.61 | 0.59 | 0.47 | 0.28 | 0.59 | 0.35 | 0.25 | 0.33 | 0.23 | 0.08 | 0.05 |
| Percentage of EarningsPerShareDiluted | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 |
| Value | 0.18 | 0.72 | 1.06 | 0.44 | 0.39 | 0.06 | 0.46 | 0.52 | 0.44 | 0.03 | 0.58 | 0.7 | 0.32 | 0.14 | 0.89 | -0.02 | 0.04 | -0.06 |
| Percentage of IncomeLossFromContinuingOperationsPerBasicShare | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 |
| Value | 0.04 |
| Percentage of IncomeLossFromContinuingOperationsPerBasicShare | 22.2 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 |
| Value | 0.16 | 0.63 | 0.97 | 0.43 | 0.39 | 0.06 | 0.46 | 0.51 | 0.41 | 0.03 | 0.56 | 0.65 | 0.31 | 0.13 | 0.87 | -0.02 | 0.04 | -0.06 |
| Percentage of IncomeLossFromContinuingOperationsPerDilutedShare | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 |
| Value | 0.04 |
| Percentage of IncomeLossFromContinuingOperationsPerDilutedShare | 25.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 |
| Value | 2.4 | 3.4 | 1.8 | 2.2 | 2.0 | 2.9 | 2.6 | 2.1 | -1.9 | 2.4 | 1.4 | 0.5 | 0.2 | 3.2 | 1.545 | 1.569 | 1.712 | 6.274 | 1.665 | 1.826 | 1.651 | 5.537 | 2.122 | 1.417 | 2.034 | 5.752 | 2.079 | 1.73 | 1.926 | 3.957 | 3.207 | 1.707 | 2.511 | 2.564 | 1.75 | 1.53 | 1.676 | 2.505 |
| Percentage of AllocatedShareBasedCompensationExpense | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 0.7 | 1.2 | 0.6 | 0.8 | 0.6 | 1.0 | 0.8 | 0.6 | -0.6 | 0.9 | 0.5 | 0.2 | 0.1 | 1.1 | 0.6 | 0.8 | 0.7 | 3.1 | 0.8 | 0.9 | 0.7 | 2.9 | 0.8 | 0.5 | 0.8 | 2.3 | 0.6 | 0.6 | 0.6 | 1.5 | 1.1 | 0.6 | 0.8 | 0.9 | 0.6 | 0.6 | 0.7 | 1.2 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 |
| Value | 14 | 6.4 | 278 | 41 | 28 | -1.4 | 25 | 2.3 | 16 | -3.7 | 41 | 16 | -9.1 | 18 | 31 | 9.69 | 14 | -0.236 | -14.375 | 15 | 15 | 1.841 | -235.224 | -1.202 | 19 | -2.57 | 15 | 14 | 19 | 10 | 31 | 28 | 20 | 14 | 18 | 21 | 14 | 16 | 5.535 | 6.494 | 11 | 13 |
| Percentage of ComprehensiveIncomeNetOfTax | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 4.4 | 2.2 | 89.0 | 15.3 | 9.0 | -0.5 | 8.0 | 0.7 | 5.2 | -1.4 | 14.1 | 5.9 | -2.8 | 6.5 | 11.6 | 4.8 | 6.1 | -0.1 | -6.7 | 7.5 | 6.1 | 1.0 | -90.2 | -0.5 | 7.3 | -1.0 | 4.6 | 5.0 | 6.5 | 3.8 | 10.2 | 9.6 | 6.8 | 5.3 | 5.9 | 8.3 | 6.0 | 7.6 | 2.5 | 3.1 | 5.9 | 8.3 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 |
| Value | 300000.0 | 500000.0 | 300000.0 | 200000.0 | 900000.0 | 0 | 100000.0 | 0 | 200000.0 | 200000.0 | 400000.0 | 800000.0 | 200000.0 | 600000.0 | 411000.0 | 641000.0 | 579000.0 | -31000.0 | -470000.0 | -1364000.0 | -1708000.0 | 3000.0 | -1141000.0 | -762000.0 | -41000.0 | 0 | 286000.0 | 372000.0 | 318000.0 | 196000.0 | 2697000.0 | 433000.0 | 608000.0 | 592000.0 | 394000.0 | 369000.0 | 200000.0 | 69000.0 | 35000.0 | -35000.0 | 429000.0 | -127000.0 |
| Percentage of ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 100.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 0.1 | 0.2 | 0.1 | 0.1 | 0.3 | 0.0 | 0.0 | 0.0 | 0.1 | 0.1 | 0.1 | 0.3 | 0.1 | 0.2 | 0.2 | 0.3 | 0.2 | -0.0 | -0.2 | -0.7 | -0.7 | 0.0 | -0.4 | -0.3 | -0.0 | 0.0 | 0.1 | 0.1 | 0.1 | 0.1 | 0.9 | 0.1 | 0.2 | 0.2 | 0.1 | 0.1 | 0.1 | 0.0 | 0.0 | -0.0 | 0.2 | -0.1 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 |
| Value | 14 | 6.9 | 278 | 41 | 28 | -1.4 | 25 | 2.3 | 16 | -3.5 | 41 | 16 | -8.9 | 18 | 31 | 10 | 15 | -0.267 | -14.845 | 13 | 13 | 1.844 | -236.365 | -1.964 | 19 | -2.57 | 15 | 15 | 20 | 10 | 33 | 29 | 20 | 15 | 18 | 21 | 14 | 16 | 5.268 | 6.459 | 12 | 13 |
| Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 4.5 | 2.4 | 89.1 | 15.3 | 9.3 | -0.5 | 8.1 | 0.7 | 5.2 | -1.3 | 14.3 | 6.2 | -2.8 | 6.7 | 11.7 | 5.1 | 6.3 | -0.1 | -6.9 | 6.8 | 5.5 | 1.0 | -90.6 | -0.7 | 7.3 | -1.0 | 4.7 | 5.1 | 6.6 | 3.9 | 11.1 | 9.7 | 7.0 | 5.5 | 6.1 | 8.4 | 6.1 | 7.6 | 2.4 | 3.1 | 6.1 | 8.3 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 | 2010-06-30 | 2010-03-31 |
| Value | 238 | 204 | 224 | 194 | 218 | 229 | 256 | 256 | 226 | 222 | 216 | 189 | 235 | 202 | 223 | 170 | 174 | 148 | 157 | 134 | 160 | 141 | 187 | 195 | 195 | 172 | 229 | 202 | 214 | 188 | 209 | 213 | 208 | 194 | 218 | 176 | 165 | 148 | 155 | 144 | 138 | 110 | 108 | 96 | 101 | 83 |
| Percentage of CostOfGoodsAndServicesSold | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 74.2 | 70.9 | 71.9 | 71.2 | 70.2 | 76.1 | 79.9 | 75.9 | 73.3 | 82.6 | 74.5 | 69.8 | 73.6 | 72.4 | 82.8 | 83.9 | 73.5 | 72.7 | 73.4 | 65.9 | 64.8 | 72.8 | 72.1 | 74.1 | 72.3 | 70.4 | 70.3 | 69.0 | 70.0 | 70.9 | 69.1 | 70.6 | 69.9 | 71.0 | 71.9 | 69.3 | 69.1 | 68.7 | 70.9 | 68.5 | 68.9 | 67.8 | 68.1 | 69.3 | 73.0 | 71.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 | 2010-06-30 | 2010-03-31 |
| Value | 83 | 83 | 87 | 78 | 92 | 91 | 85 | 101 | 82 | 67 | 73 | 82 | 84 | 77 | 82 | 70 | 63 | 55 | 57 | 69 | 86 | 52 | 72 | 68 | 74 | 72 | 96 | 91 | 92 | 77 | 93 | 88 | 89 | 79 | 85 | 78 | 74 | 67 | 63 | 66 | 62 | 52 | 50 | 42 | 37 | 34 |
| Percentage of GrossProfit | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 25.8 | 29.1 | 28.1 | 28.8 | 29.8 | 30.3 | 26.7 | 29.9 | 26.7 | 24.9 | 25.5 | 30.2 | 26.4 | 27.6 | 30.8 | 34.7 | 26.5 | 27.3 | 26.6 | 34.1 | 35.2 | 27.2 | 27.9 | 25.9 | 27.7 | 29.6 | 29.7 | 31.0 | 30.0 | 29.1 | 30.9 | 29.4 | 30.1 | 29.0 | 28.1 | 30.7 | 30.9 | 31.3 | 29.1 | 31.5 | 31.1 | 32.2 | 31.9 | 30.7 | 27.0 | 29.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 |
| Value | 6.5 | 25 | 37 | 15 | 13 | 2.0 | 16 | 18 | 14 | 0.9 | 18 | 21 | 9.9 | 4.2 | 27 | -0.6 | 1.2 | -1.9 |
| Percentage of IncomeLossFromContinuingOperations | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 2.0 | 8.9 | 12.0 | 5.7 | 4.4 | 0.7 | 5.1 | 5.5 | 4.7 | 0.3 | 6.2 | 7.9 | 3.1 | 1.5 | 10.2 | -0.3 | 0.5 | -0.9 |
| Period End | 2021-06-30 | 2021-03-31 |
| Value | 4.9 | 24 |
| Percentage of IncomeLossFromContinuingOperations | 75.4 | 93.8 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 1.5 | 8.3 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ScenarioPlan | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 | 2010-06-30 | 2010-03-31 |
| Value | 8.1 | 29 | 43 | 22 | 24 | 10 | 9.2 | 25 | 19 | -1.0 | 21 | 26 | 18 | 8.6 | 8.768 | 4.013 | 5.535 | -4.716 | -3.005 | 15 | 30 | -4.584 | -243.793 | 10 | 23 | 7.645 | 37 | 35 | 29 | 17 | 35 | 31 | 28 | 22 | 28 | 27 | 27 | 19 | 11 | 24 | 16 | 10 | 14 | 8.935 | 3.278 | 1.976 |
| Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 2.5 | 10.1 | 14.1 | 8.1 | 8.0 | 3.4 | 2.9 | 7.4 | 6.3 | -0.4 | 7.5 | 9.6 | 5.7 | 3.1 | 3.3 | 2.0 | 2.3 | -2.3 | -1.4 | 7.6 | 12.4 | -2.4 | -93.5 | 3.9 | 8.9 | 3.1 | 11.4 | 12.0 | 9.5 | 6.6 | 11.7 | 10.5 | 9.6 | 8.3 | 9.5 | 10.7 | 11.3 | 9.2 | 5.0 | 11.7 | 8.2 | 6.6 | 9.0 | 6.4 | 2.4 | 1.7 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 |
| Value | 6.8 | 26 | 37 | 15 | 14 | 2.1 | 12 | 18 | 14 | 1.0 | 18 | 22 | 10 | 4.7 | 27 | 0.0 |
| Percentage of IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 2.1 | 9.0 | 12.1 | 5.8 | 4.7 | 0.7 | 3.9 | 5.5 | 4.7 | 0.4 | 6.3 | 8.1 | 3.3 | 1.7 | 10.3 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 | 2010-06-30 | 2010-03-31 |
| Value | 1.3 | 3.1 | 6.0 | 6.2 | 3.9 | 1.7 | -3.3 | 6.4 | 4.9 | -2.0 | 3.7 | 4.2 | 5.0 | 2.3 | -18.246 | 1.907 | 2.203 | -1.764 | 0.873 | 1.764 | 10 | 0.088 | -12.649 | 6.095 | 6.868 | 2.37 | 9.924 | 12 | 8.818 | 5.214 | 9.772 | 6.963 | 7.981 | 6.58 | 7.718 | 8.354 | 8.932 | 5.778 | 2.738 | 7.122 | 5.466 | 3.404 | 4.346 | 2.27 | 0.82 | 0.557 |
| Percentage of IncomeTaxExpenseBenefit | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 0.4 | 1.1 | 1.9 | 2.3 | 1.3 | 0.6 | -1.0 | 1.9 | 1.6 | -0.7 | 1.3 | 1.5 | 1.6 | 0.8 | -6.8 | 0.9 | 0.9 | -0.9 | 0.4 | 0.9 | 4.4 | 0.0 | -4.9 | 2.3 | 2.5 | 1.0 | 3.0 | 4.1 | 2.9 | 2.0 | 3.2 | 2.3 | 2.7 | 2.4 | 2.5 | 3.3 | 3.7 | 2.7 | 1.2 | 3.4 | 2.7 | 2.1 | 2.7 | 1.6 | 0.6 | 0.5 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 |
| Value | 0.7 | 0.6 | 2.8 | 2.6 | 2.7 | 2.5 | 2.6 | 2.6 | 2.6 | 2.4 | 2.5 | 2.5 | 2.5 | 2.3 |
| Percentage of InterestExpenseDebt | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 0.2 | 0.2 | 0.9 | 1.0 | 0.9 | 0.8 | 0.8 | 0.8 | 0.8 | 0.9 | 0.9 | 0.9 | 0.8 | 0.8 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax gtls:ConvertibleNotesdue2024 us-gaap:ConvertibleDebt | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 | 2010-06-30 | 2010-03-31 |
| Value | 6.5 | 25 | 257 | 21 | 20 | 8.5 | 12 | 18 | 14 | 0.9 | 47 | 22 | 12 | 5.8 | 26 | 1.51 | 2.783 | -2.912 | -3.29 | 15 | 21 | -4.651 | -230.123 | 4.76 | 17 | 5.246 | 26 | 22 | 20 | 11 | 23 | 24 | 20 | 15 | 20 | 18 | 17 | 14 | 8.415 | 17 | 10 | 7.53 | 9.802 | 6.575 | 2.399 | 1.384 |
| Percentage of NetIncomeLoss | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 2.0 | 8.9 | 82.5 | 7.9 | 6.5 | 2.8 | 3.9 | 5.5 | 4.7 | 0.3 | 16.4 | 8.2 | 3.8 | 2.1 | 9.9 | 0.7 | 1.2 | -1.4 | -1.5 | 7.4 | 8.6 | -2.4 | -88.3 | 1.8 | 6.3 | 2.1 | 8.3 | 7.8 | 6.5 | 4.5 | 7.6 | 8.1 | 6.7 | 5.7 | 6.8 | 7.3 | 7.5 | 6.5 | 3.8 | 8.3 | 5.3 | 4.6 | 6.2 | 4.7 | 1.7 | 1.2 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 | 2010-06-30 | 2010-03-31 |
| Value | 300000.0 | 500000.0 | 400000.0 | 200000.0 | 900000.0 | 0 | 100000.0 | 0 | 200000.0 | 100000.0 | 200000.0 | 500000.0 | 800000.0 | 500000.0 | 395000.0 | 596000.0 | 549000.0 | -40000.0 | -588000.0 | -1341000.0 | -1590000.0 | -21000.0 | -1021000.0 | -489000.0 | -75000.0 | 29000.0 | 263000.0 | 301000.0 | 302000.0 | 342000.0 | 2608000.0 | 402000.0 | 603000.0 | 573000.0 | 391000.0 | 369000.0 | 200000.0 | 69000.0 | -99000.0 | -35000.0 | 429000.0 | -127000.0 | 161000.0 | 90000.0 | 59000.0 | 35000.0 |
| Percentage of NetIncomeLossAttributableToNoncontrollingInterest | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 100.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 0.1 | 0.2 | 0.1 | 0.1 | 0.3 | 0.0 | 0.0 | 0.0 | 0.1 | 0.0 | 0.1 | 0.2 | 0.3 | 0.2 | 0.1 | 0.3 | 0.2 | -0.0 | -0.3 | -0.7 | -0.6 | -0.0 | -0.4 | -0.2 | -0.0 | 0.0 | 0.1 | 0.1 | 0.1 | 0.1 | 0.9 | 0.1 | 0.2 | 0.2 | 0.1 | 0.1 | 0.1 | 0.0 | -0.0 | -0.0 | 0.2 | -0.1 | 0.1 | 0.1 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 | 2010-06-30 | 2010-03-31 |
| Value | 57 | 55 | 65 | 50 | 59 | 67 | 64 | 71 | 57 | 62 | 47 | 50 | 61 | 60 | 61 | 59 | 53 | 55 | 54 | 49 | 52 | 52 | 311 | 52 | 49 | 57 | 55 | 50 | 58 | 55 | 54 | 52 | 56 | 52 | 52 | 45 | 41 | 43 | 38 | 37 | 40 | 38 | 32 | 29 | 29 | 26 |
| Percentage of OperatingExpenses | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 17.9 | 19.1 | 20.9 | 18.5 | 19.0 | 22.5 | 20.1 | 21.1 | 18.6 | 23.2 | 16.4 | 18.7 | 19.1 | 21.5 | 22.8 | 29.6 | 22.4 | 27.2 | 25.5 | 24.3 | 21.0 | 27.2 | 119.5 | 20.0 | 18.4 | 23.5 | 17.0 | 17.3 | 18.9 | 20.8 | 17.8 | 17.5 | 19.1 | 19.0 | 17.3 | 18.1 | 17.1 | 20.2 | 17.7 | 17.8 | 20.3 | 23.4 | 20.5 | 21.2 | 20.9 | 22.6 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 | 2010-06-30 | 2010-03-31 |
| Value | 25 | 28 | 22 | 28 | 33 | 23 | 21 | 29 | 25 | 4.6 | 26 | 31 | 23 | 16 | 21 | 10 | 9.935 | 0.247 | 2.332 | 20 | 34 | 0.037 | -238.918 | 15 | 25 | 14 | 41 | 40 | 34 | 22 | 39 | 35 | 32 | 27 | 32 | 32 | 33 | 23 | 25 | 29 | 21 | 14 | 18 | 13 | 8.563 | 7.603 |
| Percentage of OperatingIncomeLoss | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 8.0 | 10.0 | 7.2 | 10.3 | 10.8 | 7.8 | 6.6 | 8.8 | 8.2 | 1.7 | 9.1 | 11.6 | 7.3 | 6.0 | 7.9 | 5.2 | 4.2 | 0.1 | 1.1 | 9.8 | 14.1 | 0.0 | -91.6 | 5.9 | 9.3 | 6.1 | 12.8 | 13.7 | 11.1 | 8.3 | 13.1 | 11.9 | 11.1 | 10.0 | 10.8 | 12.6 | 13.8 | 11.0 | 11.5 | 13.7 | 10.7 | 8.8 | 11.4 | 9.5 | 6.2 | 6.4 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 |
| Value | -16.3 | -16.8 | -10.8 | -15.4 | -16.6 | -19.7 | -19.0 | -21.0 | -14.1 | -16.3 | -6.9 | -15.3 | -15.7 | -13.5 | -11.9 | -20.4 | -14.0 | -16.1 |
| Percentage of OperatingIncomeLoss | -63.7 | -58.1 | -48.0 | -54.8 | -49.7 | -83.8 | -90.0 | -70.2 | -55.7 | -354.3 | -26.2 | -48.6 | -66.8 | -79.9 | -55.9 | -195.3 | -140.9 | -6518.2 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | -5.1 | -5.8 | -3.5 | -5.6 | -5.3 | -6.5 | -5.9 | -6.2 | -4.6 | -6.1 | -2.4 | -5.6 | -4.9 | -4.8 | -4.4 | -10.1 | -5.9 | -7.9 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:CorporateNonSegment | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-06-30 | 2020-03-31 |
| Value | 13 | 15 | 15 | 11 |
| Percentage of OperatingIncomeLoss | 52.3 | 54.0 | 47.6 | 49.4 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 4.2 | 5.4 | 5.1 | 3.8 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments gtls:CryoTankSolutions | 13.7 | 15.0 | 15.1 | 11.8 |
| Period End | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 |
| Value | 9.9 | 8.1 | 6.9 | -0.2 | 7.1 | 1.9 | -2.3 | 5.8 | 3.3 | 6.5 | 3.7 |
| Percentage of OperatingIncomeLoss | 35.2 | 24.3 | 29.4 | -0.9 | 23.7 | 7.5 | -50.0 | 22.1 | 10.5 | 27.7 | 21.9 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 3.6 | 2.6 | 2.3 | -0.1 | 2.1 | 0.6 | -0.9 | 2.0 | 1.2 | 2.0 | 1.3 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments gtls:DistributionStorageEast | 11.6 | 10.2 | 9.9 | 0.0 | 10.1 | 2.4 | -3.3 | 0.0 | 5.8 | 10.4 | 6.7 |
| Period End | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 |
| Value | 19 | 27 | 26 | 26 | 24 | 28 | 25 | 23 | 31 | 23 | 22 |
| Percentage of OperatingIncomeLoss | 70.1 | 83.2 | 112.8 | 127.0 | 83.3 | 113.4 | 556.5 | 89.4 | 101.3 | 100.4 | 131.4 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 7.2 | 9.0 | 8.8 | 8.3 | 7.4 | 9.3 | 9.5 | 8.1 | 11.7 | 7.4 | 7.9 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments gtls:DistributionStorageWest | 21.6 | 26.0 | 23.7 | 0.0 | 26.7 | 24.8 | 21.7 | 0.0 | 26.8 | 20.1 | 22.1 |
| Period End | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 |
| Value | 15 | 14 | 8.7 | 8.7 | 3.6 | 0.0 | -10.7 | -1.1 | 6.4 |
| Percentage of OperatingIncomeLoss | 55.5 | 42.8 | 37.0 | 41.2 | 12.0 | 0.0 | -232.6 | -4.2 | 20.3 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 5.7 | 4.6 | 2.9 | 2.7 | 1.1 | 0.0 | -4.0 | -0.4 | 2.4 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments gtls:EnergyAndChemicalsCryogenics | 24.1 | 22.4 | 14.0 | 0.0 | 7.4 | 0.0 | -30.5 | 0.0 | 18.0 |
| Period End | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 |
| Value | -1.7 | -0.2 | 1.1 | 4.6 | 16 | 10 | 9.4 | 5.8 | 5.7 |
| Percentage of OperatingIncomeLoss | -6.0 | -0.6 | 4.7 | 21.8 | 54.2 | 40.3 | 204.3 | 22.1 | 18.1 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | -0.6 | -0.1 | 0.4 | 1.4 | 4.8 | 3.3 | 3.5 | 2.0 | 2.1 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments gtls:EnergyAndChemicalsFinFans | -4.2 | -0.3 | 1.4 | 0.0 | 12.6 | 14.0 | 13.3 | 0.0 | 9.1 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-06-30 | 2020-03-31 |
| Value | -0.5 | 3.9 | 7.2 | 5.5 |
| Percentage of OperatingIncomeLoss | -2.0 | 13.5 | 21.6 | 23.4 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | -0.2 | 1.4 | 2.3 | 1.8 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments gtls:HeatTransferSystems | -0.8 | 5.6 | 7.4 | 4.9 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-06-30 | 2020-03-31 |
| Value | 5.6 | 8.3 | 7.6 | 4.6 |
| Percentage of OperatingIncomeLoss | 21.9 | 28.7 | 22.8 | 19.6 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 1.7 | 2.9 | 2.4 | 1.5 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments gtls:RepairServiceAndLeasing | 10.3 | 20.0 | 19.0 | 11.3 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-06-30 | 2020-03-31 |
| Value | 23 | 17 | 11 | 13 |
| Percentage of OperatingIncomeLoss | 91.4 | 61.9 | 35.0 | 58.7 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 7.3 | 6.2 | 3.8 | 4.6 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments gtls:SpecialtyProducts | 21.9 | 23.2 | 24.1 | 26.1 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 |
| Value | 7.6 | -19.2 | 20 | 7.9 | -9.9 | -16.4 | 1.6 | -4.5 | -6.1 | -21.4 | 12 | 11 | 2.676 | -11.084 | 0.271 | -5.974 | 6.48 | -5.489 | -5.962 | 2.661 | -7.816 | -11.934 | -8.113 | -0.118 | -1.879 | 7.984 | 4.542 | 0.331 | -1.032 | -2.713 | 2.543 | -3.443 | 2.264 | -3.048 | -11.046 |
| Percentage of OtherComprehensiveIncomeLossNetOfTax | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 2.4 | -6.7 | 7.3 | 2.5 | -3.3 | -4.9 | 0.5 | -1.7 | -2.2 | -6.7 | 4.4 | 4.9 | 1.3 | -5.2 | 0.1 | -2.4 | 3.3 | -2.1 | -2.3 | 1.0 | -3.2 | -3.7 | -2.8 | -0.0 | -0.7 | 2.6 | 1.5 | 0.1 | -0.4 | -0.9 | 1.0 | -1.4 | 1.0 | -1.4 | -5.2 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 |
| Value | 7.6 | -19.2 | 20 | 7.9 | -9.9 | -16.4 | 1.6 | -4.6 | -6.1 | -21.4 | 12 |
| Percentage of OtherComprehensiveIncomeLossNetOfTax | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 102.2 | 100.0 | 100.0 | 100.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 2.4 | -6.7 | 7.3 | 2.5 | -3.3 | -4.9 | 0.5 | -1.7 | -2.2 | -6.7 | 4.4 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:AccumulatedOtherComprehensiveIncome | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 | 2010-06-30 | 2010-03-31 |
| Value | 6.8 | 26 | 258 | 21 | 21 | 8.5 | 12 | 18 | 14 | 1.0 | 47 | 22 | 13 | 6.3 | 27 | 2.106 | 3.332 | -2.952 | -3.878 | 13 | 19 | -4.672 | -231.144 | 4.271 | 17 | 5.275 | 27 | 23 | 20 | 12 | 25 | 24 | 20 | 16 | 21 | 18 | 18 | 14 | 8.316 | 17 | 11 | 7.403 | 9.963 | 6.665 | 2.458 | 1.419 |
| Percentage of ProfitLoss | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 2.1 | 9.0 | 82.7 | 8.0 | 6.8 | 2.8 | 3.9 | 5.5 | 4.7 | 0.4 | 16.5 | 8.3 | 4.1 | 2.3 | 10.0 | 1.0 | 1.4 | -1.4 | -1.8 | 6.7 | 7.9 | -2.4 | -88.6 | 1.6 | 6.3 | 2.2 | 8.3 | 7.9 | 6.6 | 4.6 | 8.5 | 8.2 | 6.9 | 5.9 | 7.0 | 7.4 | 7.6 | 6.5 | 3.8 | 8.3 | 5.5 | 4.5 | 6.3 | 4.8 | 1.8 | 1.2 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-09-30 | 2020-06-30 | 2019-06-30 | 2019-03-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 |
| Value | 0.3 | 0.5 | 0.2 | 0.9 | 0.2 | 0.1 | 0.5 | 0.8 | 0.5 |
| Percentage of ProfitLoss | 4.4 | 1.9 | 0.9 | 4.3 | 1.4 | 10.0 | 2.2 | 6.1 | 7.9 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 0.1 | 0.2 | 0.1 | 0.3 | 0.1 | 0.0 | 0.2 | 0.3 | 0.2 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:NoncontrollingInterest | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 |
| Value | 6.5 | 25 | 21 | 20 | 8.5 | 18 | 14 | 0.9 | 22 | 12 | 5.8 |
| Percentage of ProfitLoss | 95.6 | 98.1 | 99.1 | 95.7 | 100.0 | 100.0 | 98.6 | 90.0 | 97.8 | 93.9 | 92.1 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 2.0 | 8.9 | 7.9 | 6.5 | 2.8 | 5.5 | 4.7 | 0.3 | 8.2 | 3.8 | 2.1 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 | 2010-06-30 | 2010-03-31 |
| Value | 322 | 288 | 312 | 273 | 310 | 301 | 321 | 338 | 309 | 269 | 290 | 272 | 319 | 279 | 269 | 202 | 238 | 204 | 214 | 203 | 247 | 193 | 260 | 264 | 270 | 245 | 326 | 293 | 306 | 266 | 303 | 301 | 298 | 273 | 303 | 254 | 239 | 216 | 219 | 211 | 200 | 162 | 158 | 139 | 139 | 118 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 |
| Value | -2.4 | -3.3 | 6.2 | -8.3 | -3.9 | -2.6 | -0.6 | -3.2 | -4.0 | -3.0 | 3.9 | -1.7 | -0.3 | -1.0 | -0.3 | -6.7 | 0.0 | 0.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | -0.7 | -1.1 | 2.0 | -3.0 | -1.3 | -0.9 | -0.2 | -0.9 | -1.3 | -1.1 | 1.3 | -0.6 | -0.1 | -0.4 | -0.1 | -3.3 | 0.0 | 0.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | -0.7 | -1.1 | 2.0 | -3.0 | -1.3 | -0.9 | -0.2 | -0.9 | -1.3 | -1.1 | 1.3 | -0.6 | -0.1 | -0.4 | -0.1 | -3.3 | 0.0 | 0.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:IntersegmentElimination | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 0.0 |
| Period End | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 |
| Value | -0.9 | -0.3 | -0.9 | -0.5 | -1.0 | -0.5 | -0.3 | 0.2 | -0.4 | 0.0 | 0.0 | 3.0 | -0.9 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | -0.3 | -0.1 | -0.3 | -0.2 | -0.3 | -0.2 | -0.1 | 0.1 | -0.1 | 0.0 | 0.0 | 1.1 | -0.4 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | -0.3 | -0.1 | -0.3 | -0.2 | -0.3 | -0.2 | -0.1 | 0.1 | -0.1 | 0.0 | 0.0 | 1.1 | -0.4 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:IntersegmentElimination gtls:Bulkindustrialgasapplications | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 0.0 | 100.0 | 100.0 |
| Period End | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 |
| Value | -0.2 | -0.2 | -0.1 | -0.3 | -0.6 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | -0.1 | -0.1 | -0.0 | -0.1 | -0.2 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | -0.1 | -0.1 | -0.0 | -0.1 | -0.2 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:IntersegmentElimination gtls:HVACpowerandrefining | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 |
| Value | -3.2 | -2.8 | -1.1 | -0.8 | -0.1 | 0.0 | 0.0 | 0.0 | -0.4 | -0.3 | -1.0 | 11 | -5.8 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | -1.2 | -0.9 | -0.4 | -0.2 | -0.0 | 0.0 | 0.0 | 0.0 | -0.1 | -0.1 | -0.4 | 4.2 | -2.9 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | -1.2 | -0.9 | -0.4 | -0.2 | -0.0 | 0.0 | 0.0 | 0.0 | -0.1 | -0.1 | -0.4 | 4.2 | -2.9 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:IntersegmentElimination gtls:Liquefiednaturalgasapplications | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 0.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 |
| Value | 0.0 | 0.0 | -0.3 | 1.3 | -1.5 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 0.0 | 0.0 | -0.1 | 0.4 | -0.4 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 0.0 | 0.0 | -0.1 | 0.4 | -0.4 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:IntersegmentElimination gtls:Naturalgasprocessingincludingpetrochemicalapplications | 0.0 | 0.0 | 100.0 | 100.0 | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 |
| Value | -4.0 | -0.6 | -0.9 | -1.5 | -0.6 | -1.3 | -1.0 | -0.6 | -0.9 | 0.0 | 0.0 | -14.7 | 0.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | -1.5 | -0.2 | -0.3 | -0.5 | -0.2 | -0.4 | -0.4 | -0.2 | -0.3 | 0.0 | 0.0 | -5.5 | 0.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | -1.5 | -0.2 | -0.3 | -0.5 | -0.2 | -0.4 | -0.4 | -0.2 | -0.3 | 0.0 | 0.0 | -5.5 | 0.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:IntersegmentElimination gtls:Packagedgasindustrialapplications | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 0.0 | 100.0 | 0.0 |
| Period End | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 |
| Value | 45 | 44 | 39 | 32 | 48 | 47 | 40 | 40 | 31 | 29 | 24 | 28 | 26 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 16.8 | 14.4 | 12.9 | 10.1 | 14.3 | 15.5 | 14.9 | 13.9 | 11.7 | 9.1 | 8.9 | 10.7 | 13.1 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 16.8 | 14.4 | 12.9 | 10.1 | 14.3 | 15.5 | 14.9 | 13.9 | 11.7 | 9.1 | 8.9 | 10.7 | 13.1 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments gtls:Bulkindustrialgasapplications gtls:DistributionStorageEast | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 |
| Value | 31 | 36 | 32 | 43 | 39 | 35 | 37 | 42 | 41 | 36 | 28 | 35 | 35 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 11.6 | 11.9 | 10.7 | 13.4 | 11.7 | 11.5 | 14.1 | 14.8 | 15.1 | 11.3 | 10.2 | 13.1 | 17.3 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 11.6 | 11.9 | 10.7 | 13.4 | 11.7 | 11.5 | 14.1 | 14.8 | 15.1 | 11.3 | 10.2 | 13.1 | 17.3 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments gtls:Bulkindustrialgasapplications gtls:DistributionStorageWest | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 |
| Value | 5.9 | 5.5 | 7.3 | 7.3 | 7.3 | 10 | 5.0 | 7.8 | 11 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 2.2 | 1.8 | 2.4 | 2.3 | 2.2 | 3.5 | 1.9 | 2.7 | 4.3 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 2.2 | 1.8 | 2.4 | 2.3 | 2.2 | 3.5 | 1.9 | 2.7 | 4.3 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments gtls:HVACpowerandrefining gtls:EnergyAndChemicalsCryogenics | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 |
| Value | 6.6 | 12 | 10 | 10 | 29 | 8.5 | 8.6 | 7.1 | 7.1 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 2.4 | 3.9 | 3.3 | 3.1 | 8.6 | 2.7 | 3.2 | 2.4 | 2.6 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 2.4 | 3.9 | 3.3 | 3.1 | 8.6 | 2.7 | 3.2 | 2.4 | 2.6 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments gtls:HVACpowerandrefining gtls:EnergyAndChemicalsFinFans | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 |
| Value | 24 | 22 | 19 | 34 | 10 | 16 | 12 | 17 | 11 | 16 | 20 | 13 | 26 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 8.8 | 7.1 | 6.5 | 10.6 | 3.0 | 5.3 | 4.5 | 5.9 | 4.3 | 5.0 | 7.3 | 4.9 | 12.9 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 8.8 | 7.1 | 6.5 | 10.6 | 3.0 | 5.3 | 4.5 | 5.9 | 4.3 | 5.0 | 7.3 | 4.9 | 12.9 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments gtls:Liquefiednaturalgasapplications gtls:DistributionStorageEast | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 |
| Value | 27 | 14 | 18 | 14 | 16 | 19 | 22 | 17 | 20 | 20 | 13 | 13 | 13 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 10.0 | 4.7 | 6.3 | 4.6 | 4.9 | 6.4 | 8.2 | 6.0 | 7.5 | 6.5 | 4.6 | 4.8 | 6.7 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 10.0 | 4.7 | 6.3 | 4.6 | 4.9 | 6.4 | 8.2 | 6.0 | 7.5 | 6.5 | 4.6 | 4.8 | 6.7 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments gtls:Liquefiednaturalgasapplications gtls:DistributionStorageWest | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 |
| Value | 34 | 34 | 33 | 26 | 17 | 5.3 | 4.2 | 3.5 | 3.4 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 12.6 | 11.2 | 11.0 | 8.4 | 5.1 | 1.7 | 1.6 | 1.2 | 1.2 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 12.6 | 11.2 | 11.0 | 8.4 | 5.1 | 1.7 | 1.6 | 1.2 | 1.2 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments gtls:Liquefiednaturalgasapplications gtls:EnergyAndChemicalsCryogenics | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 |
| Value | 6.8 | 9.9 | 8.6 | 9.899999999999997 | 11 | 10 | 10 | 8.6 | 9.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 2.5 | 3.2 | 2.8 | 3.1 | 3.3 | 3.4 | 3.9 | 3.0 | 3.3 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 2.5 | 3.2 | 2.8 | 3.1 | 3.3 | 3.4 | 3.9 | 3.0 | 3.3 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments gtls:Liquefiednaturalgasapplications gtls:EnergyAndChemicalsFinFans | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 |
| Value | 0.0 | 0.9 | 0.0 | -1.0 | 1.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 0.0 | 0.3 | 0.0 | -0.3 | 0.3 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 0.0 | 0.3 | 0.0 | -0.3 | 0.3 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments gtls:Naturalgasprocessingincludingpetrochemicalapplications gtls:DistributionStorageEast | 0.0 | 100.0 | 0.0 | 100.0 | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2020-09-30 | 2020-06-30 | 2019-09-30 | 2019-06-30 |
| Value | 24 | 23 | 24 | 31 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 9.0 | 7.6 | 7.2 | 10.1 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 9.0 | 7.6 | 7.2 | 10.1 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments gtls:Naturalgasprocessingincludingpetrochemicalapplications gtls:EnergyAndChemicalsCryogenics | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 |
| Value | 27 | 42 | 62 | 69 | 88 | 53 | 51 | 47 | 43 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 9.9 | 13.6 | 20.5 | 21.7 | 26.2 | 17.3 | 19.1 | 16.4 | 15.8 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 9.9 | 13.6 | 20.5 | 21.7 | 26.2 | 17.3 | 19.1 | 16.4 | 15.8 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments gtls:Naturalgasprocessingincludingpetrochemicalapplications gtls:EnergyAndChemicalsFinFans | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 |
| Value | 15 | 11 | 11 | 11 | 11 | 13 | 16 | 14 | 13 | 17 | 9.9 | 23 | 10 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 5.6 | 3.8 | 3.7 | 3.5 | 3.3 | 4.4 | 6.1 | 5.1 | 4.8 | 5.3 | 3.5 | 8.8 | 5.2 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 5.6 | 3.8 | 3.7 | 3.5 | 3.3 | 4.4 | 6.1 | 5.1 | 4.8 | 5.3 | 3.5 | 8.8 | 5.2 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments gtls:Packagedgasindustrialapplications gtls:DistributionStorageEast | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 |
| Value | 32 | 34 | 41 | 40 | 37 | 35 | 36 | 35 | 37 | 40 | 39 | 36 | 34 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 11.8 | 11.1 | 13.6 | 12.5 | 11.0 | 11.4 | 13.4 | 12.3 | 13.7 | 12.7 | 14.3 | 13.6 | 16.9 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 11.8 | 11.1 | 13.6 | 12.5 | 11.0 | 11.4 | 13.4 | 12.3 | 13.7 | 12.7 | 14.3 | 13.6 | 16.9 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments gtls:Packagedgasindustrialapplications gtls:DistributionStorageWest | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-06-30 | 2020-03-31 |
| Value | 97 | 103 | 105 | 98 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 30.4 | 36.0 | 33.9 | 32.5 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 30.4 | 36.0 | 33.9 | 32.5 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments gtls:CryoTankSolutions | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 |
| Value | 85 | 79 | 70 | 76 | 70 | 77 | 68 | 72 | 56 | 62 | 55 | 65 | 63 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 31.1 | 25.7 | 23.2 | 23.8 | 20.8 | 25.1 | 25.5 | 24.8 | 20.9 | 19.5 | 19.7 | 24.4 | 31.2 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 31.1 | 25.7 | 23.2 | 23.8 | 20.8 | 25.1 | 25.5 | 24.8 | 20.9 | 19.5 | 19.7 | 24.4 | 31.2 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments gtls:DistributionStorageEast | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 |
| Value | 91 | 106 | 111 | 181 | 93 | 115 | 118 | 118 | 119 | 117 | 100 | 105 | 99 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 33.3 | 34.4 | 37.0 | 56.5 | 27.6 | 37.4 | 43.9 | 40.8 | 43.7 | 36.8 | 36.0 | 39.0 | 49.1 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 33.3 | 34.4 | 37.0 | 56.5 | 27.6 | 37.4 | 43.9 | 40.8 | 43.7 | 36.8 | 36.0 | 39.0 | 49.1 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments gtls:DistributionStorageWest | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 |
| Value | 64 | 63 | 62 | 58 | 48 | 47 | 35 | 38 | 35 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 23.7 | 20.5 | 20.6 | 18.3 | 14.5 | 15.4 | 13.0 | 13.2 | 13.1 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 23.7 | 20.5 | 20.6 | 18.3 | 14.5 | 15.4 | 13.0 | 13.2 | 13.1 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments gtls:EnergyAndChemicalsCryogenics | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 |
| Value | 40 | 64 | 80 | 89 | 128 | 72 | 70 | 63 | 62 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 14.8 | 20.7 | 26.7 | 27.9 | 38.0 | 23.4 | 26.2 | 21.9 | 23.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 14.8 | 20.7 | 26.7 | 27.9 | 38.0 | 23.4 | 26.2 | 21.9 | 23.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments gtls:EnergyAndChemicalsFinFans | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-06-30 | 2020-03-31 |
| Value | 65 | 69 | 97 | 112 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 20.2 | 24.0 | 31.3 | 37.4 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 20.2 | 24.0 | 31.3 | 37.4 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments gtls:HeatTransferSystems | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-06-30 | 2020-03-31 |
| Value | 54 | 41 | 40 | 40 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 17.0 | 14.4 | 12.9 | 13.5 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 17.0 | 14.4 | 12.9 | 13.5 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments gtls:RepairServiceAndLeasing | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-06-30 | 2020-03-31 |
| Value | 106 | 77 | 48 | 52 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 33.2 | 26.8 | 15.7 | 17.5 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 33.2 | 26.8 | 15.7 | 17.5 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments gtls:SpecialtyProducts | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-06-30 | 2020-03-31 |
| Value | 89 | 98 | 94 | 89 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 27.9 | 34.2 | 30.4 | 29.7 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 27.9 | 34.2 | 30.4 | 29.7 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments gtls:CryoTankSolutions us-gaap:TransferredAtPointInTime | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-06-30 | 2020-03-31 |
| Value | 8.0 | 5.2 | 10 | 8.2 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 2.5 | 1.8 | 3.5 | 2.7 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 2.5 | 1.8 | 3.5 | 2.7 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments gtls:CryoTankSolutions us-gaap:TransferredOverTime | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 |
| Value | 77 | 69 | 59 | 69 | 64 | 75 | 63 | 65 | 55 | 51 | 50 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 28.4 | 22.2 | 19.6 | 21.5 | 19.0 | 24.2 | 23.8 | 22.7 | 20.2 | 16.1 | 18.1 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 28.4 | 22.2 | 19.6 | 21.5 | 19.0 | 24.2 | 23.8 | 22.7 | 20.2 | 16.1 | 18.1 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments gtls:DistributionStorageEast us-gaap:TransferredAtPointInTime | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 |
| Value | 7.4 | 10 | 10 | 7.4 | 6.3 | 2.7 | 4.8 | 6.1 | 1.8 | 10 | 4.6 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 2.7 | 3.4 | 3.6 | 2.3 | 1.9 | 0.9 | 1.8 | 2.1 | 0.7 | 3.4 | 1.6 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 2.7 | 3.4 | 3.6 | 2.3 | 1.9 | 0.9 | 1.8 | 2.1 | 0.7 | 3.4 | 1.6 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments gtls:DistributionStorageEast us-gaap:TransferredOverTime | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 |
| Value | 81 | 91 | 102 | 169 | 79 | 105 | 107 | 106 | 102 | 105 | 91 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 29.6 | 29.4 | 33.9 | 52.7 | 23.6 | 34.1 | 39.9 | 36.5 | 37.8 | 32.9 | 32.6 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 29.6 | 29.4 | 33.9 | 52.7 | 23.6 | 34.1 | 39.9 | 36.5 | 37.8 | 32.9 | 32.6 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments gtls:DistributionStorageWest us-gaap:TransferredAtPointInTime | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 |
| Value | 10 | 15 | 9.2 | 12 | 13 | 10.0 | 10 | 12 | 16 | 12 | 9.3 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 3.7 | 5.0 | 3.0 | 3.8 | 4.1 | 3.2 | 3.9 | 4.2 | 6.0 | 3.9 | 3.3 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 3.7 | 5.0 | 3.0 | 3.8 | 4.1 | 3.2 | 3.9 | 4.2 | 6.0 | 3.9 | 3.3 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments gtls:DistributionStorageWest us-gaap:TransferredOverTime | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 |
| Value | 4.2 | 0.0 | 0.0 | -10.5 | 10 | 0.1 | 0.2 | -9.6 | 2.3 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 1.5 | 0.0 | 0.0 | -3.3 | 3.2 | 0.0 | 0.1 | -3.3 | 0.8 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 1.5 | 0.0 | 0.0 | -3.3 | 3.2 | 0.0 | 0.1 | -3.3 | 0.8 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments gtls:EnergyAndChemicalsCryogenics us-gaap:TransferredAtPointInTime | 100.0 | 0.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 |
| Value | 60 | 63 | 62 | 69 | 38 | 47 | 34 | 47 | 33 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 22.2 | 20.5 | 20.6 | 21.6 | 11.3 | 15.3 | 13.0 | 16.5 | 12.2 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 22.2 | 20.5 | 20.6 | 21.6 | 11.3 | 15.3 | 13.0 | 16.5 | 12.2 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments gtls:EnergyAndChemicalsCryogenics us-gaap:TransferredOverTime | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 |
| Value | 17 | 20 | 21 | 29 | 19 | 20 | 18 | 79 | 16 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 6.3 | 6.7 | 7.0 | 9.1 | 5.8 | 6.5 | 7.0 | 27.3 | 6.1 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 6.3 | 6.7 | 7.0 | 9.1 | 5.8 | 6.5 | 7.0 | 27.3 | 6.1 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments gtls:EnergyAndChemicalsFinFans us-gaap:TransferredAtPointInTime | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 |
| Value | 23 | 43 | 59 | 60 | 109 | 52 | 51 | -15.9 | 45 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 8.5 | 13.9 | 19.7 | 18.8 | 32.3 | 17.0 | 19.2 | -5.5 | 16.9 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 8.5 | 13.9 | 19.7 | 18.8 | 32.3 | 17.0 | 19.2 | -5.5 | 16.9 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments gtls:EnergyAndChemicalsFinFans us-gaap:TransferredOverTime | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-06-30 | 2020-03-31 |
| Value | 5.2 | 5.6 | 8.1 | 7.1 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 1.6 | 1.9 | 2.6 | 2.4 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 1.6 | 1.9 | 2.6 | 2.4 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments gtls:HeatTransferSystems us-gaap:TransferredAtPointInTime | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-06-30 | 2020-03-31 |
| Value | 60 | 63 | 89 | 105 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 18.6 | 22.0 | 28.7 | 35.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 18.6 | 22.0 | 28.7 | 35.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments gtls:HeatTransferSystems us-gaap:TransferredOverTime | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-06-30 | 2020-03-31 |
| Value | 37 | 26 | 25 | 28 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 11.7 | 9.3 | 8.3 | 9.3 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 11.7 | 9.3 | 8.3 | 9.3 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments gtls:RepairServiceAndLeasing us-gaap:TransferredAtPointInTime | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-06-30 | 2020-03-31 |
| Value | 16 | 14 | 14 | 12 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 5.2 | 5.1 | 4.6 | 4.2 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 5.2 | 5.1 | 4.6 | 4.2 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments gtls:RepairServiceAndLeasing us-gaap:TransferredOverTime | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-06-30 | 2020-03-31 |
| Value | 73 | 61 | 32 | 38 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 22.8 | 21.5 | 10.5 | 12.9 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 22.8 | 21.5 | 10.5 | 12.9 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments gtls:SpecialtyProducts us-gaap:TransferredAtPointInTime | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-06-30 | 2020-03-31 |
| Value | 33 | 15 | 16 | 14 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 10.4 | 5.3 | 5.2 | 4.7 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 10.4 | 5.3 | 5.2 | 4.7 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments gtls:SpecialtyProducts us-gaap:TransferredOverTime | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-06-30 | 2020-03-31 |
| Value | -0.7 | -1.0 | -0.5 | -0.7 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | -0.2 | -0.3 | -0.2 | -0.2 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | -0.2 | -0.3 | -0.2 | -0.2 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:IntersegmentElimination gtls:EuropeMiddleEastAfricaAndIndia | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-06-30 | 2020-03-31 |
| Value | -0.7 | -0.6 | -0.4 | -0.5 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | -0.2 | -0.2 | -0.1 | -0.2 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | -0.2 | -0.2 | -0.1 | -0.2 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:IntersegmentElimination srt:AsiaPacific | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-06-30 | 2020-03-31 |
| Value | -1.0 | -1.7 | -0.9 | -1.3 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | -0.3 | -0.6 | -0.3 | -0.4 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | -0.3 | -0.6 | -0.3 | -0.4 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:IntersegmentElimination srt:NorthAmerica | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-06-30 | 2020-03-31 |
| Value | 32 | 37 | 32 | 34 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 10.2 | 13.1 | 10.4 | 11.4 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 10.2 | 13.1 | 10.4 | 11.4 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments gtls:EuropeMiddleEastAfricaAndIndia gtls:CryoTankSolutions | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-06-30 | 2020-03-31 |
| Value | 8.8 | 7.8 | 10 | 9.5 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 2.7 | 2.7 | 3.3 | 3.1 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 2.7 | 2.7 | 3.3 | 3.1 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments gtls:EuropeMiddleEastAfricaAndIndia gtls:HeatTransferSystems | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-06-30 | 2020-03-31 |
| Value | 9.1 | 10 | 9.8 | 6.7 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 2.8 | 3.6 | 3.2 | 2.2 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 2.8 | 3.6 | 3.2 | 2.2 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments gtls:EuropeMiddleEastAfricaAndIndia gtls:RepairServiceAndLeasing | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-06-30 | 2020-03-31 |
| Value | 53 | 45 | 19 | 25 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 16.6 | 15.8 | 6.4 | 8.5 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 16.6 | 15.8 | 6.4 | 8.5 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments gtls:EuropeMiddleEastAfricaAndIndia gtls:SpecialtyProducts | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-06-30 | 2020-03-31 |
| Value | 29 | 24 | 28 | 20 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 9.0 | 8.4 | 9.1 | 6.7 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 9.0 | 8.4 | 9.1 | 6.7 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments srt:AsiaPacific gtls:CryoTankSolutions | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-06-30 | 2020-03-31 |
| Value | 14 | 14 | 15 | 20 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 4.3 | 5.1 | 5.1 | 6.9 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 4.3 | 5.1 | 5.1 | 6.9 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments srt:AsiaPacific gtls:HeatTransferSystems | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-06-30 | 2020-03-31 |
| Value | 15 | 1.8 | 1.9 | 1.7 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 4.9 | 0.6 | 0.6 | 0.6 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 4.9 | 0.6 | 0.6 | 0.6 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments srt:AsiaPacific gtls:RepairServiceAndLeasing | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-06-30 | 2020-03-31 |
| Value | 9.6 | 5.6 | 2.5 | 2.2 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 3.0 | 1.9 | 0.8 | 0.7 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 3.0 | 1.9 | 0.8 | 0.7 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments srt:AsiaPacific gtls:SpecialtyProducts | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-06-30 | 2020-03-31 |
| Value | 34 | 41 | 43 | 40 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 10.7 | 14.2 | 14.1 | 13.4 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 10.7 | 14.2 | 14.1 | 13.4 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments srt:NorthAmerica gtls:CryoTankSolutions | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-06-30 | 2020-03-31 |
| Value | 42 | 46 | 71 | 82 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 13.1 | 16.0 | 22.9 | 27.2 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 13.1 | 16.0 | 22.9 | 27.2 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments srt:NorthAmerica gtls:HeatTransferSystems | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-06-30 | 2020-03-31 |
| Value | 29 | 29 | 28 | 32 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 9.2 | 10.1 | 9.1 | 10.6 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 9.2 | 10.1 | 9.1 | 10.6 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments srt:NorthAmerica gtls:RepairServiceAndLeasing | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-06-30 | 2020-03-31 |
| Value | 43 | 26 | 26 | 24 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 13.4 | 9.0 | 8.4 | 8.2 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 13.4 | 9.0 | 8.4 | 8.2 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments srt:NorthAmerica gtls:SpecialtyProducts | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-06-30 | 2020-03-31 |
| Value | 1.6 | 0.9 | 1.0 | 3.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 0.5 | 0.3 | 0.3 | 1.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 0.5 | 0.3 | 0.3 | 1.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments us-gaap:NonUs gtls:CryoTankSolutions | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-06-30 | 2020-03-31 |
| Value | 0.2 | 0.3 | 0.2 | 0.3 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 0.1 | 0.1 | 0.1 | 0.1 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 0.1 | 0.1 | 0.1 | 0.1 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments us-gaap:NonUs gtls:HeatTransferSystems | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-06-30 | 2020-03-31 |
| Value | 0.1 | 0.1 | 0.1 | 0.2 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 0.0 | 0.0 | 0.0 | 0.1 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 0.0 | 0.0 | 0.0 | 0.1 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments us-gaap:NonUs gtls:RepairServiceAndLeasing | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2020-06-30 | 2020-03-31 |
| Value | 0.6 | 0.1 | 0.2 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 0.2 | 0.0 | 0.1 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 0.2 | 0.0 | 0.1 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments us-gaap:NonUs gtls:SpecialtyProducts | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 |
| Value | -1.5 | -2.9 | 6.5 | -6.9 | -1.4 | -1.5 | 0.8 | -3.2 | -4.0 | -3.0 | 2.2 | -1.3 | 0.0 | 0.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | -0.5 | -1.0 | 2.1 | -2.5 | -0.5 | -0.5 | 0.2 | -0.9 | -1.3 | -1.1 | 0.8 | -0.5 | 0.0 | 0.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | -0.5 | -1.0 | 2.1 | -2.5 | -0.5 | -0.5 | 0.2 | -0.9 | -1.3 | -1.1 | 0.8 | -0.5 | 0.0 | 0.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:IntersegmentElimination us-gaap:TransferredAtPointInTime | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 |
| Value | -0.9 | -0.4 | -0.3 | -1.4 | -2.5 | -1.1 | -1.4 | 0.0 | 0.0 | 0.0 | -0.1 | -0.4 | -0.3 | -1.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | -0.3 | -0.1 | -0.1 | -0.5 | -0.8 | -0.4 | -0.4 | 0.0 | 0.0 | 0.0 | -0.0 | -0.1 | -0.1 | -0.4 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | -0.3 | -0.1 | -0.1 | -0.5 | -0.8 | -0.4 | -0.4 | 0.0 | 0.0 | 0.0 | -0.0 | -0.1 | -0.1 | -0.4 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:IntersegmentElimination us-gaap:TransferredOverTime | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 0.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 |
| Value | 76 | 81 | 70 | 74 | 86 | 83 | 77 | 83 | 72 | 64 | 53 | 67 | 60 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 28.1 | 26.1 | 23.4 | 23.3 | 25.7 | 26.8 | 28.9 | 28.7 | 26.6 | 20.3 | 18.9 | 24.9 | 29.9 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 28.1 | 26.1 | 23.4 | 23.3 | 25.7 | 26.8 | 28.9 | 28.7 | 26.6 | 20.3 | 18.9 | 24.9 | 29.9 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax gtls:Bulkindustrialgasapplications | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 |
| Value | 12 | 17 | 17 | 17 | 35 | 19 | 13 | 14 | 18 | 21 | 18 | 18 | 2.2 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 4.5 | 5.6 | 5.7 | 5.3 | 10.6 | 6.3 | 5.1 | 5.1 | 6.9 | 6.8 | 6.7 | 6.9 | 1.1 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 4.5 | 5.6 | 5.7 | 5.3 | 10.6 | 6.3 | 5.1 | 5.1 | 6.9 | 6.8 | 6.7 | 6.9 | 1.1 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax gtls:HVACpowerandrefining | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 |
| Value | 89 | 78 | 79 | 85 | 54 | 52 | 48 | 46 | 44 | 42 | 42 | 50 | 39 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 32.6 | 25.3 | 26.3 | 26.4 | 16.2 | 16.8 | 18.1 | 16.0 | 16.3 | 13.3 | 15.1 | 18.7 | 19.4 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 32.6 | 25.3 | 26.3 | 26.4 | 16.2 | 16.8 | 18.1 | 16.0 | 16.3 | 13.3 | 15.1 | 18.7 | 19.4 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax gtls:Liquefiednaturalgasapplications | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 |
| Value | 51 | 66 | 83 | 69 | 112 | 85 | 70 | 70 | 63 | 69 | 58 | 61 | 27 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 18.9 | 21.4 | 27.6 | 21.6 | 33.3 | 27.5 | 26.1 | 24.4 | 23.3 | 21.6 | 21.0 | 22.8 | 13.5 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 18.9 | 21.4 | 27.6 | 21.6 | 33.3 | 27.5 | 26.1 | 24.4 | 23.3 | 21.6 | 21.0 | 22.8 | 13.5 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax gtls:Naturalgasprocessingincludingpetrochemicalapplications | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 |
| Value | 43 | 45 | 51 | 49 | 48 | 47 | 51 | 49 | 49 | 56 | 48 | 45 | 44 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 15.9 | 14.7 | 17.0 | 15.5 | 14.3 | 15.4 | 19.1 | 17.1 | 18.2 | 17.7 | 17.5 | 17.0 | 22.1 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 15.9 | 14.7 | 17.0 | 15.5 | 14.3 | 15.4 | 19.1 | 17.1 | 18.2 | 17.7 | 17.5 | 17.0 | 22.1 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax gtls:Packagedgasindustrialapplications | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-06-30 | 2020-03-31 |
| Value | 103 | 100 | 71 | 75 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 32.0 | 34.9 | 23.1 | 25.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 32.0 | 34.9 | 23.1 | 25.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax gtls:EuropeMiddleEastAfricaAndIndia | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-06-30 | 2020-03-31 |
| Value | 67 | 45 | 48 | 44 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 21.1 | 15.9 | 15.5 | 14.7 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 21.1 | 15.9 | 15.5 | 14.7 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:AsiaPacific | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-06-30 | 2020-03-31 |
| Value | 148 | 140 | 168 | 178 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 46.1 | 48.8 | 54.2 | 59.1 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 46.1 | 48.8 | 54.2 | 59.1 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:NorthAmerica | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-06-30 | 2020-03-31 |
| Value | 2.5 | 1.3 | 1.4 | 3.6 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 0.8 | 0.5 | 0.5 | 1.2 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 0.8 | 0.5 | 0.5 | 1.2 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:NonUs | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 |
| Value | 204 | 190 | 204 | 173 | 179 | 162 | 173 | 170 | 196 | 242 | 159 | 175 | 217 | 198 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 63.6 | 65.9 | 65.4 | 63.4 | 57.9 | 53.7 | 53.8 | 50.5 | 63.6 | 90.1 | 54.9 | 64.4 | 68.1 | 70.9 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 63.6 | 65.9 | 65.4 | 63.4 | 57.9 | 53.7 | 53.8 | 50.5 | 63.6 | 90.1 | 54.9 | 64.4 | 68.1 | 70.9 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:TransferredAtPointInTime | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 |
| Value | 117 | 98 | 108 | 100 | 130 | 139 | 148 | 167 | 112 | 46 | 50 | 96 | 102 | 81 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 36.4 | 34.1 | 34.6 | 36.6 | 42.1 | 46.3 | 46.2 | 49.5 | 36.4 | 17.4 | 17.3 | 35.6 | 31.9 | 29.1 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 36.4 | 34.1 | 34.6 | 36.6 | 42.1 | 46.3 | 46.2 | 49.5 | 36.4 | 17.4 | 17.3 | 35.6 | 31.9 | 29.1 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:TransferredOverTime | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 | 2010-06-30 | 2010-03-31 |
| Value | 322 | 288 | 312 | 273 | 310 | 301 | 321 | 338 | 309 | 269 | 290 | 272 | 319 | 279 | 269 | 240 | 238 | 204 | 214 | 203 | 247 | 193 | 260 | 264 | 270 | 245 | 326 | 293 | 306 | 266 | 303 | 301 | 298 | 273 | 303 | 254 | 239 | 216 | 219 | 211 | 200 | 162 | 158 | 139 | 139 | 118 |
| Percentage of Revenues | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 118.7 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 | 2010-06-30 | 2010-03-31 |
| Value | 48 | 46 | 41 | 41 | 45 | 53 | 53 | 57 | 50 | 55 | 41 | 45 | 55 | 54 | 55 | 56 | 50 | 52 | 52 | 45 | 48 | 49 | 53 | 48 | 45 | 53 | 50 | 46 | 53 | 50 | 49 | 47 | 51 | 47 | 47 | 42 | 34 | 40 | 35 | 34 | 36 | 34 | 29 | 26 | 25 | 23 |
| Percentage of SellingGeneralAndAdministrativeExpense | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 14.9 | 16.0 | 13.1 | 15.0 | 14.5 | 17.9 | 16.5 | 17.0 | 16.2 | 20.6 | 14.3 | 16.8 | 17.3 | 19.3 | 20.7 | 28.0 | 21.1 | 25.7 | 24.3 | 22.3 | 19.8 | 25.6 | 20.7 | 18.2 | 16.9 | 21.7 | 15.6 | 15.8 | 17.5 | 19.1 | 16.3 | 15.9 | 17.4 | 17.2 | 15.8 | 16.6 | 14.5 | 18.8 | 16.0 | 16.2 | 18.1 | 21.4 | 18.4 | 18.8 | 18.3 | 20.3 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2009-12-31 |
| Value | 2830 | 2652 | 2570 | 2452 | 2452 | 2423 | 2481 | 2497 | 1983 | 1913 | 1897 | 1738 | 1749 | 1752 | 1724 | 1693 | 1239 | 1232 | 1233 | 1217 | 1209 | 1177 | 1201 | 1439 | 1466 | 1453 | 1462 | 1495 | 1487 | 1464 | 1461 | 1461 | 1390 | 1357 | 1327 | 1323 | 1211 | 1184 | 1174 | 1280 | 1008 | 960 | 954 | 926 |
| Percentage of Assets | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2019-12-31 |
| Value | 358 | 275 | 244 | 66 | 76 |
| Percentage of Assets | 12.7 | 10.4 | 9.5 | 2.7 | 3.1 |
| Percentage of Assets | 12.7 | 10.4 | 9.5 | 2.7 | 3.1 |
| Percentage of Assets us-gaap:CorporateNonSegment | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2019-12-31 |
| Value | 1084 | 984 | 967 | 919 |
| Percentage of Assets | 38.3 | 37.1 | 37.6 | 37.1 |
| Percentage of Assets | 38.3 | 37.1 | 37.6 | 37.1 |
| Percentage of Assets us-gaap:OperatingSegments | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2019-12-31 |
| Value | 400 | 392 | 399 | 374 |
| Percentage of Assets | 14.1 | 14.8 | 15.5 | 15.1 |
| Percentage of Assets | 14.1 | 14.8 | 15.5 | 15.1 |
| Percentage of Assets us-gaap:OperatingSegments gtls:CryoTankSolutions | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-09-30 | 2019-12-31 |
| Value | 531 | 528 |
| Percentage of Assets | 21.7 | 21.3 |
| Percentage of Assets | 21.7 | 21.3 |
| Percentage of Assets us-gaap:OperatingSegments gtls:DistributionStorageEast | 100.0 | 100.0 |
| Period End | 2020-09-30 | 2019-12-31 |
| Value | 377 | 349 |
| Percentage of Assets | 15.4 | 14.1 |
| Percentage of Assets | 15.4 | 14.1 |
| Percentage of Assets us-gaap:OperatingSegments gtls:DistributionStorageWest | 100.0 | 100.0 |
| Period End | 2020-09-30 | 2019-12-31 |
| Value | 424 | 430 |
| Percentage of Assets | 17.3 | 17.3 |
| Percentage of Assets | 17.3 | 17.3 |
| Percentage of Assets us-gaap:OperatingSegments gtls:EnergyAndChemicalsCryogenics | 100.0 | 100.0 |
| Period End | 2020-09-30 | 2019-12-31 |
| Value | 983 | 1028 |
| Percentage of Assets | 40.1 | 41.4 |
| Percentage of Assets | 40.1 | 41.4 |
| Percentage of Assets us-gaap:OperatingSegments gtls:EnergyAndChemicalsFinFans | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2019-12-31 |
| Value | 243 | 230 | 247 | 328 |
| Percentage of Assets | 8.6 | 8.7 | 9.6 | 13.3 |
| Percentage of Assets | 8.6 | 8.7 | 9.6 | 13.3 |
| Percentage of Assets us-gaap:OperatingSegments gtls:HeatTransferSystems | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2019-12-31 |
| Value | 175 | 145 | 142 | 106 |
| Percentage of Assets | 6.2 | 5.5 | 5.5 | 4.3 |
| Percentage of Assets | 6.2 | 5.5 | 5.5 | 4.3 |
| Percentage of Assets us-gaap:OperatingSegments gtls:RepairServiceAndLeasing | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2019-12-31 |
| Value | 265 | 216 | 178 | 109 |
| Percentage of Assets | 9.4 | 8.2 | 6.9 | 4.4 |
| Percentage of Assets | 9.4 | 8.2 | 6.9 | 4.4 |
| Percentage of Assets us-gaap:OperatingSegments gtls:SpecialtyProducts | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-09-30 | 2019-12-31 | 2018-12-31 | 2018-09-30 | 2017-12-31 |
| Value | 69 | 68 | 0.0 | 123 | 104 |
| Percentage of Assets | 2.8 | 2.8 | 0.0 | 7.1 | 6.1 |
| Percentage of Assets | 2.8 | 2.8 | 0.0 | 7.1 | 6.1 |
| Percentage of Assets us-gaap:SegmentDiscontinuedOperations | 100.0 | 100.0 | 0.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2012-12-31 |
| Value | 1246 | 1086 | 991 | 1160 | 1206 | 1208 | 1249 | 1294 | 785 | 1019 | 1008 | 897 | 929 | 923 | 919 | 960 | 518 | 529 | 534 | 505 | 512 | 495 | 526 | 528 | 554 | 564 | 574 | 626 | 635 | 633 | 643 | 680 | 643 | 628 |
| Percentage of Liabilities | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 44.0 | 41.0 | 38.6 | 47.3 | 49.2 | 49.9 | 50.3 | 51.8 | 39.6 | 53.3 | 53.2 | 51.6 | 53.1 | 52.7 | 53.3 | 56.7 | 41.9 | 43.0 | 43.3 | 41.5 | 42.4 | 42.1 | 43.8 | 36.7 | 37.8 | 38.8 | 39.3 | 41.9 | 42.7 | 43.2 | 44.0 | 46.6 | 46.2 | 47.3 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2009-12-31 |
| Value | 2830 | 2652 | 2570 | 2452 | 2452 | 2423 | 2481 | 2497 | 1983 | 1913 | 1897 | 1738 | 1749 | 1752 | 1724 | 1693 | 1239 | 1232 | 1233 | 1217 | 1209 | 1177 | 1201 | 1439 | 1466 | 1453 | 1462 | 1495 | 1487 | 1464 | 1461 | 1461 | 1390 | 1357 | 1327 | 1323 | 1211 | 1184 | 1174 | 1280 | 1008 | 960 | 954 | 926 |
| Percentage of LiabilitiesAndStockholdersEquity | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2009-12-31 |
| Value | 1576 | 1559 | 1572 | 1286 | 1240 | 1210 | 1227 | 1198 | 1193 | 888 | 884 | 836 | 816 | 825 | 802 | 729 | 718 | 701 | 697 | 710 | 693 | 676 | 670 | 904 | 904 | 882 | 879 | 862 | 846 | 824 | 754 | 716 | 681 | 719 | 696 | 675 | 649 | 633 | 611 | 600 | 538 | 515 | 499 | 475 |
| Percentage of StockholdersEquity | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 55.7 | 58.8 | 61.2 | 52.4 | 50.6 | 49.9 | 49.5 | 48.0 | 60.2 | 46.5 | 46.6 | 48.1 | 46.7 | 47.1 | 46.5 | 43.1 | 58.0 | 56.9 | 56.5 | 58.3 | 57.3 | 57.5 | 55.8 | 62.8 | 61.7 | 60.7 | 60.2 | 57.7 | 56.9 | 56.3 | 51.6 | 49.1 | 49.0 | 53.0 | 52.5 | 51.1 | 53.6 | 53.5 | 52.0 | 46.9 | 53.4 | 53.7 | 52.3 | 51.3 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2009-12-31 |
| Value | 875 | 713 | 703 | 728 | 684 | 651 | 673 | 683 | 710 | 645 | 661 | 667 | 661 | 650 | 634 | 622 | 635 | 633 | 652 | 627 | 608 | 565 | 587 | 572 | 611 | 610 | 604 | 653 | 653 | 642 | 649 | 665 | 606 | 583 | 556 | 571 | 637 | 605 | 597 | 697 | 454 | 409 | 406 | 414 |
| Percentage of AssetsCurrent | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 30.9 | 26.9 | 27.3 | 29.7 | 27.9 | 26.9 | 27.1 | 27.4 | 35.8 | 33.7 | 34.9 | 38.4 | 37.8 | 37.1 | 36.8 | 36.8 | 51.3 | 51.4 | 53.0 | 51.5 | 50.3 | 48.0 | 48.9 | 39.8 | 41.7 | 42.0 | 41.4 | 43.7 | 43.9 | 43.9 | 44.4 | 45.5 | 43.6 | 43.0 | 41.9 | 43.2 | 52.6 | 51.1 | 50.9 | 54.5 | 45.1 | 42.6 | 42.5 | 44.7 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 | 2010-06-30 | 2010-03-31 | 2009-12-31 | 2008-12-31 | 2007-12-31 |
| Value | 197 | 114 | 125 | 120 | 122 | 89 | 119 | 80 | 148 | 71 | 118 | 157 | 148 | 142 | 122 | 124 | 234 | 243 | 281 | 267 | 213 | 159 | 123 | 82 | 82 | 83 | 103 | 140 | 142 | 140 | 137 | 151 | 125 | 126 | 141 | 105 | 254 | 242 | 256 | 382 | 152 | 146 | 165 | 208 | 188 | 213 | 211 | 122 | 92 |
| Percentage of CashAndCashEquivalentsAtCarryingValue | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 7.0 | 4.3 | 4.9 | 4.9 | 5.0 | 3.7 | 4.8 | 3.2 | 7.5 | 3.8 | 6.2 | 9.0 | 8.5 | 8.2 | 7.1 | 7.4 | 18.9 | 19.8 | 22.9 | 21.9 | 17.6 | 13.5 | 10.3 | 5.7 | 5.7 | 5.7 | 7.1 | 9.4 | 9.6 | 9.6 | 9.4 | 10.4 | 9.0 | 9.3 | 10.7 | 8.0 | 21.0 | 20.5 | 21.9 | 29.8 | 15.1 | 15.3 | 17.3 | 0.0 | 0.0 | 0.0 | 22.8 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2015-12-31 | 2014-12-31 |
| Value | 198 | 115 | 126 | 121 | 123 | 90 | 120 | 81 | 149 | 72 | 119 | 158 | 149 | 149 | 131 | 133 | 240 | 250 | 282 | 123 | 103 |
| Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 7.0 | 4.4 | 4.9 | 5.0 | 5.0 | 3.7 | 4.8 | 3.3 | 7.5 | 3.8 | 6.3 | 9.1 | 8.5 | 8.5 | 7.6 | 7.9 | 19.4 | 20.3 | 22.9 | 10.3 | 7.1 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2009-12-31 |
| Value | 220 | 186 | 200 | 163 | 184 | 195 | 202 | 224 | 204 | 205 | 194 | 177 | 204 | 207 | 222 | 195 | 154 | 130 | 142 | 132 | 150 | 140 | 183 | 174 | 203 | 193 | 178 | 182 | 199 | 178 | 224 | 213 | 173 | 166 | 150 | 181 | 144 | 127 | 131 | 123 | 121 | 94 | 88 | 77 |
| Percentage of AccountsReceivableNetCurrent | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 7.8 | 7.0 | 7.8 | 6.7 | 7.5 | 8.1 | 8.2 | 9.0 | 10.3 | 10.7 | 10.3 | 10.2 | 11.7 | 11.8 | 12.9 | 11.6 | 12.5 | 10.6 | 11.6 | 10.9 | 12.5 | 11.9 | 15.3 | 12.2 | 13.9 | 13.3 | 12.2 | 12.2 | 13.4 | 12.2 | 15.3 | 14.6 | 12.5 | 12.2 | 11.3 | 13.7 | 11.9 | 10.7 | 11.2 | 9.6 | 12.1 | 9.8 | 9.2 | 8.4 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2009-12-31 |
| Value | 310 | 279 | 248 | 237 | 248 | 235 | 219 | 234 | 228 | 234 | 233 | 188 | 233 | 223 | 208 | 213 | 184 | 185 | 169 | 182 | 191 | 203 | 199 | 220 | 231 | 231 | 215 | 227 | 226 | 223 | 213 | 210 | 211 | 208 | 196 | 204 | 175 | 167 | 149 | 135 | 123 | 119 | 104 | 85 |
| Percentage of InventoryNet | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 11.0 | 10.6 | 9.7 | 9.7 | 10.1 | 9.7 | 8.8 | 9.4 | 11.5 | 12.3 | 12.3 | 10.8 | 13.3 | 12.7 | 12.1 | 12.6 | 14.9 | 15.0 | 13.8 | 15.0 | 15.8 | 17.3 | 16.6 | 15.3 | 15.8 | 15.9 | 14.8 | 15.2 | 15.3 | 15.3 | 14.6 | 14.4 | 15.2 | 15.4 | 14.8 | 15.5 | 14.4 | 14.2 | 12.8 | 10.6 | 12.2 | 12.4 | 10.9 | 9.2 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2010-12-31 |
| Value | 80 | 81 | 65 | 74 | 71 | 66 | 67 | 75 | 77 | 77 | 82 | 69 | 83 | 77 | 74 | 78 | 78 | 74 | 72 | 76 | 82 | 96 | 88 | 100 | 103 | 93 | 85 | 95 | 88 | 81 | 76 | 82 | 78 | 78 | 69 | 73 | 55 | 56 | 48 | 45 |
| Percentage of InventoryFinishedGoods | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 2.9 | 3.1 | 2.6 | 3.0 | 2.9 | 2.8 | 2.7 | 3.0 | 3.9 | 4.1 | 4.3 | 4.0 | 4.8 | 4.4 | 4.3 | 4.6 | 6.3 | 6.0 | 5.9 | 6.3 | 6.8 | 8.2 | 7.4 | 7.0 | 7.0 | 6.4 | 5.9 | 6.4 | 6.0 | 5.6 | 5.3 | 5.7 | 5.7 | 5.8 | 5.3 | 5.5 | 4.6 | 4.8 | 4.2 | 4.7 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2016-12-31 |
| Value | 161 | 140 | 124 | 115 | 123 | 111 | 104 | 108 | 106 | 112 | 97 | 86 | 116 | 109 | 97 | 65 |
| Percentage of InventoryRawMaterialsAndSupplies | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 5.7 | 5.3 | 4.9 | 4.7 | 5.0 | 4.6 | 4.2 | 4.4 | 5.4 | 5.9 | 5.1 | 5.0 | 6.6 | 6.2 | 5.6 | 5.3 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2009-12-31 |
| Value | 55 | 31 | 29 | 24 | 29 | 26 | 28 | 45 | 42 | 46 | 47 | 14 | 19 | 22 | 27 | 30 | 16 | 18 | 15 | 14 | 21 | 19 | 12 | 12 | 15 | 16 | 15 | 13 | 14 | 17 | 16 | 17 | 17 | 16 | 15 | 11 | 22 | 32 | 26 | 31 | 33 | 28 | 21 | 16 |
| Percentage of OtherAssetsCurrent | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 2.0 | 1.2 | 1.1 | 1.0 | 1.2 | 1.1 | 1.2 | 1.8 | 2.1 | 2.4 | 2.5 | 0.8 | 1.1 | 1.3 | 1.6 | 1.8 | 1.4 | 1.5 | 1.2 | 1.2 | 1.8 | 1.6 | 1.1 | 0.8 | 1.1 | 1.1 | 1.0 | 0.9 | 0.9 | 1.2 | 1.1 | 1.2 | 1.3 | 1.2 | 1.2 | 0.9 | 1.8 | 2.7 | 2.3 | 2.4 | 3.3 | 2.9 | 2.2 | 1.8 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 | 2010-06-30 | 2010-03-31 |
| Value | 9.6 | 8.8 | 8.4 | 9.4 | 14 | 14 | 11 | 13 | 7.3 | 7.2 | 6.2 | 5.0 | 5.7 | 6.1 | 5.699 | 3.24 | 3.075 | 2.986 | 2.717 | 2.912 | 3.116 | 3.128 | 4.234 | 4.572 | 4.123 | 4.404 | 4.48 | 4.501 | 4.475 | 4.489 | 4.588 | 4.825 | 4.922 | 4.895 | 4.662 | 3.81 | 3.25 | 3.07 | 3.429 | 3.342 | 3.288 | 3.317 | 2.822 | 2.728 | 2.783 | 2.716 |
| Percentage of AmortizationOfIntangibleAssets | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2009-12-31 |
| Value | 414 | 396 | 397 | 399 | 404 | 398 | 380 | 384 | 361 | 288 | 304 | 305 | 297 | 293 | 259 | 254 | 251 | 258 | 261 | 266 | 266 | 267 | 264 | 261 | 257 | 246 | 238 | 228 | 224 | 206 | 189 | 176 | 169 | 158 | 145 | 141 | 137 | 137 | 123 | 120 | 116 | 111 |
| Percentage of PropertyPlantAndEquipmentNet | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 16.1 | 16.1 | 16.2 | 16.5 | 16.3 | 16.0 | 19.2 | 20.1 | 19.0 | 16.6 | 17.4 | 17.4 | 17.3 | 17.3 | 21.0 | 20.7 | 20.4 | 21.2 | 21.6 | 22.7 | 22.2 | 18.6 | 18.1 | 18.0 | 17.6 | 16.5 | 16.0 | 15.6 | 15.3 | 14.1 | 13.6 | 13.0 | 12.8 | 12.0 | 12.0 | 12.0 | 11.7 | 10.7 | 12.2 | 12.6 | 12.2 | 12.0 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 | 2014-12-31 | 2013-12-31 | 2012-12-31 | 2011-12-31 |
| Value | 61 | 67 | 77 | 82 | 75 | 79 | 57 | 38 | 34 | 23 |
| Percentage of PropertyPlantAndEquipmentNet | 14.8 | 16.8 | 21.4 | 27.9 | 30.0 | 29.9 | 22.3 | 17.2 | 20.1 | 17.1 |
| Percentage of Assets | 2.4 | 2.7 | 4.1 | 4.8 | 6.1 | 6.6 | 3.9 | 2.6 | 2.6 | 2.0 |
| Percentage of Assets country:CN | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 | 2014-12-31 | 2013-12-31 | 2012-12-31 |
| Value | 29 | 25 | 21 | 20 | 18 | 19 | 22 | 23 | 21 |
| Percentage of PropertyPlantAndEquipmentNet | 7.0 | 6.4 | 6.0 | 7.0 | 7.4 | 7.4 | 8.7 | 10.5 | 12.7 |
| Percentage of Assets | 1.1 | 1.0 | 1.1 | 1.2 | 1.5 | 1.6 | 1.5 | 1.6 | 1.6 |
| Percentage of Assets country:CZ | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 | 2014-12-31 | 2013-12-31 | 2012-12-31 | 2011-12-31 |
| Value | 16 | 15 | 12 | 13 | 11 | 12 | 13 | 14 | 14 | 14 |
| Percentage of PropertyPlantAndEquipmentNet | 3.9 | 3.9 | 3.6 | 4.5 | 4.6 | 4.6 | 5.2 | 6.5 | 8.5 | 10.7 |
| Percentage of Assets | 0.6 | 0.6 | 0.7 | 0.8 | 0.9 | 1.0 | 0.9 | 1.0 | 1.1 | 1.2 |
| Percentage of Assets country:DE | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 |
| Value | 14 | 13 | 19 | 0.0 |
| Percentage of PropertyPlantAndEquipmentNet | 3.4 | 3.4 | 5.5 | 0.0 |
| Percentage of Assets | 0.5 | 0.6 | 1.0 | 0.0 |
| Percentage of Assets country:IN | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 |
| Value | 69 | 56 | 52 | 2.0 |
| Percentage of PropertyPlantAndEquipmentNet | 16.9 | 13.9 | 14.6 | 0.7 |
| Percentage of Assets | 2.7 | 2.3 | 2.8 | 0.1 |
| Percentage of Assets country:IT | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 | 2014-12-31 | 2013-12-31 | 2012-12-31 | 2011-12-31 |
| Value | 223 | 224 | 176 | 177 | 145 | 153 | 163 | 146 | 98 | 75 |
| Percentage of PropertyPlantAndEquipmentNet | 54.0 | 55.6 | 49.0 | 59.8 | 57.8 | 57.8 | 63.4 | 65.4 | 58.0 | 55.2 |
| Percentage of Assets | 8.7 | 9.1 | 9.3 | 10.3 | 11.8 | 12.8 | 11.2 | 10.0 | 7.4 | 6.5 |
| Percentage of Assets country:US | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 |
| Value | 190 | 179 | 184 | 119 | 106 | 112 |
| Percentage of PropertyPlantAndEquipmentNet | 46.0 | 44.4 | 51.0 | 40.2 | 42.2 | 42.2 |
| Percentage of Assets | 7.4 | 7.2 | 9.7 | 6.9 | 8.6 | 9.3 |
| Percentage of Assets us-gaap:NonUs | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-09-20 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2009-12-31 |
| Value | 896 | 911 | 865 | 817 | 844 | 841 | 844 | 798 | 542 | 537 | 520 | 457 | 472 | 475 | 468 | 457 | 227 | 228 | 228 | 217 | 219 | 218 | 219 | 218 | 414 | 404 | 403 | 405 | 406 | 407 | 398 | 398 | 399 | 399 | 398 | 398 | 387 | 288 | 289 | 288 | 286 | 279 | 276 | 275 | 264 |
| Percentage of Goodwill | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 31.7 | 34.4 | 33.7 | 33.3 | 34.4 | 34.7 | 34.0 | 31.9 | 27.4 | 28.1 | 27.4 | 26.3 | 27.0 | 27.1 | 27.2 | 27.0 | 0.0 | 18.4 | 18.5 | 17.7 | 18.0 | 18.1 | 18.6 | 18.2 | 28.8 | 27.6 | 27.7 | 27.7 | 27.2 | 27.4 | 27.2 | 27.3 | 27.3 | 28.7 | 29.3 | 30.0 | 29.3 | 23.8 | 24.4 | 24.6 | 22.3 | 27.7 | 28.8 | 28.8 | 28.6 |
| Period End | 2020-11-03 |
| Value | 14 |
| Percentage of Goodwill | 0.0 |
| Percentage of Assets | 0.0 |
| Percentage of Assets gtls:BlueInGreenLLC | 0.0 |
| Period End | 2021-02-16 |
| Value | 52 |
| Percentage of Goodwill | 0.0 |
| Percentage of Assets | 0.0 |
| Percentage of Assets gtls:CryogenicGasTechnologiesInc | 0.0 |
| Period End | 2020-12-23 |
| Value | 24 |
| Percentage of Goodwill | 0.0 |
| Percentage of Assets | 0.0 |
| Percentage of Assets gtls:SustainableEnergySolutionsInc | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-10-01 |
| Value | 89 | 88 | 93 | 86 |
| Percentage of Goodwill | 10.0 | 9.7 | 10.8 | 0.0 |
| Percentage of Assets | 3.2 | 3.3 | 3.6 | 0.0 |
| Percentage of Assets gtls:CryoTankSolutions | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2017-12-31 | 2016-12-31 |
| Value | 121 | 116 | 114 | 117 | 108 | 84 | 82 | 73 | 37 | 37 | 34 |
| Percentage of Goodwill | 14.9 | 13.7 | 13.6 | 13.8 | 13.6 | 15.6 | 15.3 | 14.1 | 8.2 | 8.0 | 16.0 |
| Percentage of Assets | 5.0 | 4.7 | 4.7 | 4.7 | 4.3 | 4.3 | 4.3 | 3.9 | 2.1 | 2.2 | 2.8 |
| Percentage of Assets gtls:DistributionStorageEast | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2017-12-31 | 2016-12-31 |
| Value | 118 | 152 | 152 | 152 | 152 | 152 | 152 | 151 | 151 | 147 | 146 |
| Percentage of Goodwill | 14.5 | 18.0 | 18.1 | 18.0 | 19.1 | 28.0 | 28.3 | 29.1 | 33.1 | 31.4 | 67.1 |
| Percentage of Assets | 4.8 | 6.2 | 6.3 | 6.1 | 6.1 | 7.7 | 7.9 | 8.0 | 8.7 | 8.5 | 11.9 |
| Percentage of Assets gtls:DistributionStorageWest | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2018-12-31 | 2017-12-31 |
| Value | 176 | 176 | 175 | 176 | 185 | 0.0 | 0.0 |
| Percentage of Goodwill | 21.6 | 20.9 | 20.8 | 20.9 | 23.3 | 0.0 | 0.0 |
| Percentage of Assets | 7.2 | 7.2 | 7.2 | 7.1 | 7.4 | 0.0 | 0.0 |
| Percentage of Assets gtls:EnergyAndChemicalsCryogenics | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2018-12-31 | 2017-12-31 |
| Value | 401 | 400 | 399 | 399 | 351 | 0.0 | 0.0 |
| Percentage of Goodwill | 49.1 | 47.4 | 47.5 | 47.3 | 44.1 | 0.0 | 0.0 |
| Percentage of Assets | 16.4 | 16.3 | 16.5 | 16.1 | 14.1 | 0.0 | 0.0 |
| Percentage of Assets gtls:EnergyAndChemicalsFinFans | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-10-01 |
| Value | 433 | 432 | 435 | 432 |
| Percentage of Goodwill | 48.4 | 47.5 | 50.3 | 0.0 |
| Percentage of Assets | 15.3 | 16.3 | 16.9 | 0.0 |
| Percentage of Assets gtls:HeatTransferSystems | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-10-01 |
| Value | 165 | 165 | 165 | 164 |
| Percentage of Goodwill | 18.4 | 18.1 | 19.1 | 0.0 |
| Percentage of Assets | 5.8 | 6.2 | 6.4 | 0.0 |
| Percentage of Assets gtls:RepairServiceAndLeasing | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-10-01 |
| Value | 207 | 225 | 172 | 133 |
| Percentage of Goodwill | 23.2 | 24.7 | 19.9 | 0.0 |
| Percentage of Assets | 7.3 | 8.5 | 6.7 | 0.0 |
| Percentage of Assets gtls:SpecialtyProducts | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2012-12-31 |
| Value | 145 | 143 | 143 | 158 | 163 | 163 | 163 | 153 | 98 | 98 | 98 | 98 | 104 | 105 | 105 | 108 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 47 | 47 | 47 | 47 | 47 | 47 | 47 | 47 | 47 | 47 |
| Percentage of IndefiniteLivedIntangibleAssetsExcludingGoodwill | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 5.1 | 5.4 | 5.6 | 6.5 | 6.7 | 6.7 | 6.6 | 6.1 | 5.0 | 5.1 | 5.2 | 5.7 | 6.0 | 6.0 | 6.1 | 6.4 | 2.9 | 2.9 | 2.9 | 2.9 | 3.0 | 3.0 | 3.0 | 3.3 | 3.2 | 3.3 | 3.3 | 3.2 | 3.2 | 3.3 | 3.3 | 3.3 | 3.6 |
| Percentage of Assets us-gaap:TrademarksAndTradeNames | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2009-12-31 |
| Value | 491 | 481 | 493 | 488 | 500 | 512 | 529 | 577 | 316 | 322 | 330 | 270 | 291 | 300 | 302 | 298 | 97 | 99 | 93 | 96 | 100 | 103 | 106 | 161 | 156 | 148 | 153 | 158 | 164 | 167 | 172 | 176 | 181 | 184 | 189 | 194 | 130 | 137 | 140 | 145 | 138 | 141 | 144 | 123 |
| Percentage of IntangibleAssetsNetExcludingGoodwill | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 17.3 | 18.2 | 19.2 | 19.9 | 20.4 | 21.1 | 21.3 | 23.1 | 15.9 | 16.9 | 17.4 | 15.5 | 16.6 | 17.1 | 17.5 | 17.7 | 7.8 | 8.0 | 7.6 | 8.0 | 8.3 | 8.8 | 8.9 | 11.2 | 10.7 | 10.2 | 10.5 | 10.6 | 11.1 | 11.4 | 11.8 | 12.1 | 13.0 | 13.6 | 14.3 | 14.7 | 10.8 | 11.6 | 12.0 | 11.4 | 13.7 | 14.7 | 15.1 | 13.4 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2019-01-01 |
| Value | 27 | 28 | 29 | 31 | 29 | 34 | 34 | 29 | 29 | 34 |
| Percentage of OperatingLeaseRightOfUseAsset | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 1.0 | 1.1 | 1.1 | 1.3 | 1.2 | 1.4 | 1.4 | 1.5 | 1.6 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2009-12-31 |
| Value | 32 | 16 | 15 | 12 | 16 | 10 | 15 | 23 | 33 | 23 | 23 | 18 | 21 | 22 | 21 | 21 | 18 | 17 | 17 | 16 | 19 | 21 | 23 | 23 | 29 | 30 | 40 | 30 | 24 | 27 | 16 | 13 | 14 | 14 | 13 | 10 | 10 | 9.908 | 10 | 13 | 12 | 12 | 13 | 12 |
| Percentage of OtherAssetsNoncurrent | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 1.1 | 0.6 | 0.6 | 0.5 | 0.7 | 0.4 | 0.6 | 0.9 | 1.7 | 1.2 | 1.3 | 1.0 | 1.2 | 1.3 | 1.3 | 1.3 | 1.5 | 1.4 | 1.4 | 1.3 | 1.6 | 1.8 | 1.9 | 1.7 | 2.0 | 2.1 | 2.8 | 2.1 | 1.6 | 1.9 | 1.2 | 1.0 | 1.0 | 1.1 | 1.0 | 0.8 | 0.9 | 0.8 | 0.9 | 1.0 | 1.3 | 1.3 | 1.4 | 1.4 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 |
| Value | 108 | 114 | 73 |
| Percentage of EquitySecuritiesFvNi | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 3.8 | 4.3 | 2.9 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 |
| Value | 32 | 48 | 53 |
| Percentage of EquitySecuritiesFvNi | 29.9 | 42.6 | 73.1 |
| Percentage of Assets | 1.1 | 1.8 | 2.1 |
| Percentage of Assets us-gaap:FairValueInputsLevel1 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 |
| Value | 14 | 10.0 | 4.1 |
| Percentage of EquitySecuritiesFvNi | 13.6 | 8.7 | 5.6 |
| Percentage of Assets | 0.5 | 0.4 | 0.2 |
| Percentage of Assets us-gaap:FairValueInputsLevel2 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 |
| Value | 61 | 55 | 15 |
| Percentage of EquitySecuritiesFvNi | 56.5 | 48.7 | 21.3 |
| Percentage of Assets | 2.2 | 2.1 | 0.6 |
| Percentage of Assets us-gaap:FairValueInputsLevel3 | 0.0 | 0.0 | 0.0 |
| Period End | 2020-12-31 |
| Value | 30 |
| Percentage of EquitySecuritiesFvNi | 40.8 |
| Percentage of Assets | 1.2 |
| Percentage of Assets gtls:McPhy | 0.0 |
| Period End | 2020-10-14 |
| Value | 30 |
| Percentage of EquitySecuritiesFvNi | 0.0 |
| Percentage of Assets | 0.0 |
| Percentage of Assets gtls:McPhy us-gaap:SubsequentEvent | 0.0 |
| Period End | 2021-06-30 | 2021-05-19 |
| Value | 7.7 | 6.5 |
| Percentage of EquitySecuritiesFvNi | 7.1 | 0.0 |
| Percentage of Assets | 0.3 | 0.0 |
| Percentage of Assets gtls:CryomotiveGmbH | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 |
| Value | 47 | 58 | 57 |
| Percentage of EquitySecuritiesFvNi | 43.5 | 51.3 | 78.7 |
| Percentage of Assets | 1.7 | 2.2 | 2.3 |
| Percentage of Assets gtls:EquityInvestmentsBeforeImpairment | 0.0 | 0.0 | 0.0 |
| Period End | 2021-03-31 | 2020-12-31 |
| Value | 15 | 15 |
| Percentage of EquitySecuritiesFvNi | 13.8 | 21.3 |
| Percentage of Assets | 0.6 | 0.6 |
| Percentage of Assets gtls:HydrogenTechnologyEnergyCorporation | 0.0 | 0.0 |
| Period End | 2021-03-31 | 2020-12-31 |
| Value | 41 | 53 |
| Percentage of EquitySecuritiesFvNi | 36.3 | 73.1 |
| Percentage of Assets | 1.6 | 2.1 |
| Percentage of Assets gtls:McPhy | 0.0 | 0.0 |
| Period End | 2021-03-31 |
| Value | 15 |
| Percentage of EquitySecuritiesFvNi | 13.1 |
| Percentage of Assets | 0.6 |
| Percentage of Assets gtls:SvanteInc | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2009-12-31 |
| Value | 170 | 151 | 140 | 107 | 110 | 120 | 125 | 120 | 114 | 121 | 125 | 94 | 128 | 124 | 113 | 109 | 82 | 88 | 79 | 65 | 65 | 68 | 97 | 85 | 95 | 105 | 114 | 104 | 109 | 94 | 101 | 97 | 101 | 96 | 100 | 85 | 67 | 72 | 84 | 76 | 71 | 61 | 54 | 38 |
| Percentage of AccountsPayableCurrent | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 6.0 | 5.7 | 5.5 | 4.4 | 4.5 | 5.0 | 5.0 | 4.8 | 5.7 | 6.3 | 6.6 | 5.5 | 7.4 | 7.1 | 6.6 | 6.5 | 6.6 | 7.2 | 6.5 | 5.4 | 5.4 | 5.8 | 8.1 | 6.0 | 6.5 | 7.3 | 7.8 | 7.0 | 7.4 | 6.5 | 7.0 | 6.7 | 7.3 | 7.1 | 7.6 | 6.5 | 5.6 | 6.1 | 7.2 | 5.9 | 7.0 | 6.5 | 5.7 | 4.1 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2018-12-31 | 2013-12-31 | 2012-12-31 | 2011-12-31 | 2010-12-31 |
| Value | 17 | 46 | 46 | 14 | 16 | 13 | 11 | 3.3 | 4.47 | 2.244 | 0.0 | 1.066 |
| Percentage of AccruedIncomeTaxesCurrent | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 100.0 |
| Percentage of Assets | 0.6 | 1.7 | 1.8 | 0.6 | 0.7 | 0.5 | 0.5 | 0.2 | 0.3 | 0.2 | 0.0 | 0.1 |
| Period End | 2020-12-31 |
| Value | 46 |
| Percentage of AccruedIncomeTaxesCurrent | 99.6 |
| Percentage of Assets | 1.8 |
| Percentage of Assets srt:CumulativeEffectPeriodOfAdoptionAdjustedBalance | 0.0 |
| Period End | 2020-12-31 |
| Value | -0.2 |
| Percentage of AccruedIncomeTaxesCurrent | -0.4 |
| Percentage of Assets | -0.0 |
| Percentage of Assets srt:CumulativeEffectPeriodOfAdoptionAdjustment | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-01-01 | 2017-12-31 |
| Value | 126 | 106 | 118 | 124 | 133 | 124 | 127 | 120 | 128 | 129 | 130 | 101 | 109 |
| Percentage of ContractWithCustomerLiabilityCurrent | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 4.5 | 4.0 | 4.6 | 5.1 | 5.4 | 5.1 | 5.2 | 4.8 | 6.5 | 6.8 | 6.9 | 0.0 | 6.4 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2009-12-31 |
| Value | 675 | 660 | 634 | 352 | 359 | 358 | 378 | 374 | 354 | 579 | 366 | 312 | 393 | 382 | 387 | 550 | 240 | 252 | 261 | 224 | 234 | 228 | 262 | 238 | 262 | 274 | 287 | 281 | 294 | 291 | 499 | 521 | 482 | 280 | 273 | 294 | 241 | 255 | 265 | 385 | 191 | 164 | 171 | 143 |
| Percentage of LiabilitiesCurrent | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 23.9 | 24.9 | 24.7 | 14.4 | 14.7 | 14.8 | 15.2 | 15.0 | 17.9 | 30.3 | 19.3 | 18.0 | 22.5 | 21.8 | 22.5 | 32.5 | 19.4 | 20.5 | 21.2 | 18.4 | 19.4 | 19.4 | 21.8 | 16.6 | 17.9 | 18.9 | 19.7 | 18.8 | 19.8 | 19.9 | 34.2 | 35.7 | 34.7 | 20.6 | 20.6 | 22.2 | 19.9 | 21.5 | 22.6 | 30.1 | 19.0 | 17.1 | 17.9 | 15.5 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 |
| Value | 255 | 255 | 220 | 11 | 12 | 12 | 15 | 15 | 4.5 | 214 | 11 | 9.7 | 66 | 63 | 58 | 0.0 | 0.0 | 4.687 | 3.75 | 3.75 | 3.75 | 3.75 | 3.75 | 3.75 | 3.75 | 3.75 | 6.5 | 6.5 | 169 | 6.5 | 6.5 | 6.5 |
| Percentage of LongTermDebtCurrent | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 9.0 | 9.6 | 8.6 | 0.5 | 0.5 | 0.5 | 0.6 | 0.6 | 0.2 | 11.2 | 0.6 | 0.6 | 3.8 | 3.6 | 3.4 | 0.0 | 0.0 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.5 | 0.6 | 13.2 | 0.6 | 0.7 | 0.7 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 |
| Value | 5000000.0 | 5100000.0 | 5100000.0 | 5300000.0 | 5100000.0 | 5400000.0 | 6300000.0 | 6800000.0 |
| Percentage of OperatingLeaseLiabilityCurrent | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.3 | 0.3 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2010-12-31 | 2009-12-31 |
| Value | 59 | 58 | 52 | 40 | 37 | 42 | 39 | 58 | 62 | 73 | 44 | 39 | 39 | 32 | 41 | 37 | 34 | 38 | 43 | 30 | 34 | 28 | 38 | 31 | 27 | 32 | 36 | 27 | 33 | 31 | 35 | 27 | 37 | 25 | 30 | 28 | 26 | 28 | 24 | 25 | 22 |
| Percentage of OtherLiabilitiesCurrent | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 2.1 | 2.2 | 2.0 | 1.7 | 1.5 | 1.8 | 1.6 | 2.3 | 3.2 | 3.8 | 2.4 | 2.3 | 2.2 | 1.8 | 2.4 | 2.2 | 2.8 | 3.1 | 3.5 | 2.5 | 2.9 | 2.4 | 3.2 | 2.2 | 1.9 | 2.3 | 2.5 | 1.8 | 2.3 | 2.1 | 2.4 | 1.9 | 2.7 | 1.9 | 2.3 | 2.1 | 2.1 | 2.4 | 2.1 | 2.7 | 2.5 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2019-12-31 |
| Value | 450 | 303 | 221 | 487 | 560 |
| Percentage of LongTermDebt | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 15.9 | 11.4 | 8.6 | 19.9 | 22.6 |
| Percentage of Assets us-gaap:RevolvingCreditFacility gtls:CreditFacilities2024 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2009-12-31 |
| Value | 450 | 303 | 221 | 695 | 736 | 741 | 761 | 792 | 304 | 318 | 533 | 500 | 443 | 449 | 439 | 304 | 237 | 237 | 233 | 232 | 228 | 217 | 215 | 212 | 209 | 206 | 204 | 266 | 260 | 259 | 64 | 65 | 66 | 253 | 252 | 250 | 249 | 223 | 223 | 222 | 215 | 216 | 218 | 243 |
| Percentage of LongTermDebtNoncurrent | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 15.9 | 11.4 | 8.6 | 28.4 | 30.0 | 30.6 | 30.7 | 31.7 | 15.4 | 16.6 | 28.1 | 28.8 | 25.4 | 25.6 | 25.5 | 18.0 | 19.2 | 19.2 | 19.0 | 19.1 | 18.9 | 18.4 | 17.9 | 14.8 | 14.3 | 14.2 | 14.0 | 17.9 | 17.5 | 17.7 | 4.4 | 4.5 | 4.8 | 18.7 | 19.0 | 18.9 | 20.6 | 18.9 | 19.0 | 17.4 | 21.3 | 22.6 | 22.9 | 26.2 |
| Period End | 2020-12-31 |
| Value | 220 |
| Percentage of LongTermDebtNoncurrent | 99.7 |
| Percentage of Assets | 8.6 |
| Percentage of Assets gtls:LiabilityComponent gtls:ConvertibleNotesdue2024 us-gaap:ConvertibleDebt | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-01-01 | 2017-12-31 |
| Value | 46 | 49 | 60 | 56 | 53 | 52 | 52 | 68 | 73 | 73 | 76 | 55 | 62 | 62 |
| Percentage of DeferredIncomeTaxLiabilitiesNet | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 1.6 | 1.9 | 2.3 | 2.3 | 2.2 | 2.2 | 2.1 | 2.7 | 3.7 | 3.8 | 4.0 | 3.2 | 0.0 | 3.6 |
| Period End | 2020-12-31 |
| Value | 52 |
| Percentage of DeferredIncomeTaxLiabilitiesNet | 87.4 |
| Percentage of Assets | 2.0 |
| Percentage of Assets srt:CumulativeEffectPeriodOfAdoptionAdjustedBalance | 0.0 |
| Period End | 2020-12-31 |
| Value | -7.6 |
| Percentage of DeferredIncomeTaxLiabilitiesNet | -12.6 |
| Percentage of Assets | -0.3 |
| Percentage of Assets srt:CumulativeEffectPeriodOfAdoptionAdjustment | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2010-12-31 |
| Value | 8.5 | 9.1 | 9.6 | 8.1 | 9.4 | 10.0 | 10 | 10 | 11 | 11 | 11 | 8.4 | 8.8 | 9.1 | 9.4 | 10 | 14 | 14 | 14 | 15 | 17 | 17 | 17 | 16 | 16 | 16 | 16 | 5.222 | 6.782 | 7.322 | 7.719 | 18 | 18 | 19 | 19 | 13 | 14 | 15 | 15 | 11 |
| Percentage of PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 0.3 | 0.3 | 0.4 | 0.3 | 0.4 | 0.4 | 0.4 | 0.4 | 0.6 | 0.6 | 0.6 | 0.5 | 0.5 | 0.5 | 0.5 | 0.6 | 1.1 | 1.2 | 1.2 | 1.3 | 1.4 | 1.5 | 1.4 | 1.1 | 1.1 | 1.1 | 1.2 | 0.3 | 0.5 | 0.5 | 0.5 | 1.2 | 1.4 | 1.4 | 1.5 | 1.0 | 1.2 | 1.3 | 1.4 | 1.2 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2009-12-31 |
| Value | 7400000.0 | 7000000.0 | 6600000.0 | 5900000.0 | 5700000.0 | 4800000.0 | 4800000.0 | 4600000.0 | 4800000.0 | 4700000.0 | 4500000.0 | 4200000.0 | 3800000.0 | 3600000.0 | 3000000.0 | 2601000.0 | 1960000.0 | 1381000.0 | 1412000.0 | 2075000.0 | 3439000.0 | 5147000.0 | 5144000.0 | 6285000.0 | 7160000.0 | 7201000.0 | 7201000.0 | 6917000.0 | 6543000.0 | 7431000.0 | 7235000.0 | 4537000.0 | 4121000.0 | 3897000.0 | 3305000.0 | 3367000.0 | 2857000.0 | 2604000.0 | 2512000.0 | 2619000.0 | 2650000.0 | 2058000.0 | 2210000.0 | 1685000.0 |
| Percentage of MinorityInterest | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 0.3 | 0.3 | 0.3 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.1 | 0.1 | 0.2 | 0.3 | 0.4 | 0.4 | 0.4 | 0.5 | 0.5 | 0.5 | 0.5 | 0.4 | 0.5 | 0.5 | 0.3 | 0.3 | 0.3 | 0.2 | 0.3 | 0.2 | 0.2 | 0.2 | 0.2 | 0.3 | 0.2 | 0.2 | 0.2 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2009-12-31 |
| Value | 42 | 41 | 41 | 22 | 22 | 19 | 19 | 20 | 41 | 38 | 20 | 17 | 20 | 20 | 20 | 18 | 18 | 19 | 17 | 20 | 20 | 21 | 20 | 12 | 9.17 | 9.471 | 9.396 | 10 | 9.48 | 9.212 | 9.36 | 9.771 | 9.226 | 9.185 | 11 | 17 | 8.093 | 7.998 | 12 | 68 | 61 | 61 | 13 | 8.742 |
| Percentage of OtherLiabilitiesNoncurrent | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 1.5 | 1.6 | 1.6 | 0.9 | 0.9 | 0.8 | 0.8 | 0.8 | 2.1 | 2.0 | 1.1 | 1.0 | 1.1 | 1.2 | 1.2 | 1.1 | 1.5 | 1.6 | 1.4 | 1.7 | 1.7 | 1.8 | 1.7 | 0.8 | 0.6 | 0.7 | 0.6 | 0.7 | 0.6 | 0.6 | 0.6 | 0.7 | 0.7 | 0.7 | 0.9 | 1.3 | 0.7 | 0.7 | 1.1 | 5.4 | 6.1 | 6.5 | 1.4 | 0.9 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 |
| Value | 22 | 22 | 23 | 25 | 25 | 26 | 27 |
| Percentage of OperatingLeaseLiabilityNoncurrent | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 0.8 | 0.9 | 0.9 | 1.0 | 1.0 | 1.1 | 1.1 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2019-09-30 | 2018-12-31 |
| Value | 5800000.0 | 5600000.0 | 6200000.0 | 6500000.0 | 7100000.0 | 6900000.0 |
| Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 0.2 | 0.2 | 0.2 | 0.3 | 0.3 | 0.4 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2019-09-30 | 2018-12-31 |
| Value | 5300000.0 | 5100000.0 | 5600000.0 | 5900000.0 | 6400000.0 | 5700000.0 |
| Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 0.2 | 0.2 | 0.2 | 0.2 | 0.3 | 0.3 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2019-09-30 | 2018-12-31 |
| Value | 4500000.0 | 4300000.0 | 5100000.0 | 5500000.0 | 6100000.0 | 5300000.0 |
| Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFour | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.3 |
| Period End | 2020-12-31 | 2019-09-30 | 2018-12-31 |
| Value | 4300000.0 | 5500000.0 | 4600000.0 |
| Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFive | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 0.2 | 0.2 | 0.2 |
| Period End | 2020-12-31 | 2019-09-30 | 2018-12-31 |
| Value | 3.5 | 13 | 9.2 |
| Percentage of LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 0.1 | 0.5 | 0.5 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2019-01-01 |
| Value | 27 | 27 | 28 | 31 | 28 | 34 | 35 | 29 | 33 | 34 |
| Percentage of OperatingLeaseLiability | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 1.0 | 1.0 | 1.1 | 1.3 | 1.2 | 1.4 | 1.4 | 1.5 | 1.7 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2019-09-30 | 2018-12-31 |
| Value | 29 | 30 | 31 | 34 | 40 | 39 |
| Percentage of LesseeOperatingLeaseLiabilityPaymentsDue | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 1.0 | 1.1 | 1.2 | 1.4 | 1.6 | 2.1 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2009-12-31 |
| Value | 1576 | 1559 | 1572 | 1286 | 1240 | 1210 | 1227 | 1198 | 1193 | 888 | 884 | 836 | 816 | 825 | 802 | 729 | 718 | 701 | 697 | 710 | 693 | 676 | 670 | 904 | 904 | 882 | 879 | 862 | 846 | 824 | 754 | 716 | 681 | 719 | 696 | 675 | 649 | 633 | 611 | 600 | 538 | 515 | 499 | 475 |
| Percentage of StockholdersEquity | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 55.7 | 58.8 | 61.2 | 52.4 | 50.6 | 49.9 | 49.5 | 48.0 | 60.2 | 46.5 | 46.6 | 48.1 | 46.7 | 47.1 | 46.5 | 43.1 | 58.0 | 56.9 | 56.5 | 58.3 | 57.3 | 57.5 | 55.8 | 62.8 | 61.7 | 60.7 | 60.2 | 57.7 | 56.9 | 56.3 | 51.6 | 49.1 | 49.0 | 53.0 | 52.5 | 51.1 | 53.6 | 53.5 | 52.0 | 46.9 | 53.4 | 53.7 | 52.3 | 51.3 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2009-12-31 | 2008-12-31 | 2007-12-31 |
| Value | 1583 | 1566 | 1579 | 1292 | 1246 | 1214 | 1232 | 1203 | 1198 | 893 | 889 | 841 | 820 | 828 | 805 | 732 | 720 | 702 | 698 | 712 | 696 | 681 | 675 | 910 | 911 | 889 | 887 | 869 | 852 | 831 | 762 | 721 | 685 | 723 | 699 | 678 | 652 | 636 | 613 | 603 | 540 | 517 | 501 | 477 | 405 | 329 |
| Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 56.0 | 59.0 | 61.4 | 52.7 | 50.8 | 50.1 | 49.7 | 48.2 | 60.4 | 46.7 | 46.8 | 48.4 | 46.9 | 47.3 | 46.7 | 43.3 | 58.1 | 57.0 | 56.7 | 58.5 | 57.6 | 57.9 | 56.2 | 63.3 | 62.2 | 61.2 | 60.7 | 58.1 | 57.3 | 56.8 | 52.1 | 49.4 | 49.3 | 53.3 | 52.7 | 51.3 | 53.9 | 53.7 | 52.2 | 47.1 | 53.6 | 53.9 | 52.5 | 51.5 | 0.0 | 0.0 |
| Period End | 2020-12-31 | 2017-12-31 |
| Value | -26.2 | 1.6 |
| Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest | -1.7 | 0.2 |
| Percentage of Assets | -1.0 | 0.1 |
| Percentage of Assets srt:CumulativeEffectPeriodOfAdoptionAdjustment | 0.0 | 0.0 |
| Period End | 2020-12-31 |
| Value | -36.9 |
| Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest | -2.3 |
| Percentage of Assets | -1.4 |
| Percentage of Assets srt:CumulativeEffectPeriodOfAdoptionAdjustment us-gaap:AdditionalPaidInCapital | 0.0 |
| Period End | 2020-12-31 |
| Value | 10 |
| Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest | 0.7 |
| Percentage of Assets | 0.4 |
| Percentage of Assets srt:CumulativeEffectPeriodOfAdoptionAdjustment us-gaap:RetainedEarnings | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2016-12-31 |
| Value | -10.7 | -11.0 | -11.4 | -10.0 | -10.2 | -10.6 | -10.9 | -11.5 | -11.8 | -12.1 | -12.4 | -9.7 | -9.9 | -10.0 | -10.3 | -10.5 |
| Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest | -0.7 | -0.7 | -0.7 | -0.8 | -0.8 | -0.9 | -0.9 | -1.0 | -1.0 | -1.4 | -1.4 | -1.2 | -1.2 | -1.2 | -1.3 | -1.5 |
| Percentage of Assets | -0.4 | -0.4 | -0.4 | -0.4 | -0.4 | -0.4 | -0.4 | -0.5 | -0.6 | -0.6 | -0.7 | -0.6 | -0.6 | -0.6 | -0.6 | -0.9 |
| Percentage of Assets us-gaap:AccumulatedDefinedBenefitPlansAdjustment | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 | 2014-12-31 | 2013-12-31 | 2012-12-31 | 2011-12-31 | 2010-12-31 | 2009-12-31 | 2008-12-31 | 2007-12-31 |
| Value | -9.2 | -16.8 | 2.4 | -17.9 | -37.9 | -45.8 | -35.9 | -49.3 | -32.9 | -34.5 | -29.9 | -23.2 | -17.1 | 4.3 | -8.1 | -35.212 | -24.904 | -8.686 | 13 | 1.641 | 2.993 | 9.811 | 13 | 6.569 | 15 |
| Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest | -0.6 | -1.1 | 0.2 | -1.4 | -3.0 | -3.8 | -2.9 | -4.1 | -2.7 | -3.9 | -3.4 | -2.8 | -2.1 | 0.5 | -1.0 | -5.0 | -3.7 | -1.0 | 1.7 | 0.2 | 0.5 | 2.0 | 2.7 | 1.6 | 4.7 |
| Percentage of Assets | -0.3 | -0.6 | 0.1 | -0.7 | -1.5 | -1.9 | -1.4 | -2.0 | -1.7 | -1.8 | -1.6 | -1.3 | -1.0 | 0.2 | -0.5 | -2.9 | -2.1 | -0.6 | 0.9 | 0.1 | 0.3 | 1.0 | 1.4 | 0.0 | 0.0 |
| Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2016-12-31 |
| Value | 1.5 | -5.8 | 13 | -7.9 | -27.7 | -35.2 | -25.0 | -37.8 | -21.1 | -22.4 | -17.5 | -13.5 | -7.2 | 14 | 2.2 | -24.7 |
| Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest | 0.1 | -0.4 | 0.9 | -0.6 | -2.2 | -2.9 | -2.0 | -3.1 | -1.8 | -2.5 | -2.0 | -1.6 | -0.9 | 1.7 | 0.3 | -3.5 |
| Percentage of Assets | 0.1 | -0.2 | 0.5 | -0.3 | -1.1 | -1.5 | -1.0 | -1.5 | -1.1 | -1.2 | -0.9 | -0.8 | -0.4 | 0.8 | 0.1 | -2.0 |
| Percentage of Assets us-gaap:AccumulatedTranslationAdjustment | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 | 2014-12-31 | 2013-12-31 | 2012-12-31 | 2011-12-31 | 2010-12-31 | 2009-12-31 | 2008-12-31 | 2007-12-31 |
| Value | 753 | 750 | 780 | 772 | 768 | 766 | 762 | 759 | 757 | 468 | 460 | 452 | 448 | 448 | 445 | 395 | 387 | 377 | 311 | 348 | 333 | 258 | 251 | 247 | 241 |
| Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest | 47.6 | 47.9 | 49.4 | 59.8 | 61.7 | 63.1 | 61.9 | 63.1 | 63.2 | 52.4 | 51.8 | 53.8 | 54.7 | 54.1 | 55.4 | 56.7 | 57.3 | 42.5 | 40.9 | 49.8 | 54.3 | 51.5 | 52.7 | 61.1 | 73.4 |
| Percentage of Assets | 26.6 | 28.3 | 30.4 | 31.5 | 31.3 | 31.6 | 30.7 | 30.4 | 38.2 | 24.5 | 24.3 | 26.0 | 25.6 | 25.6 | 25.8 | 32.1 | 32.2 | 25.8 | 21.3 | 26.2 | 28.4 | 27.1 | 27.2 | 0.0 | 0.0 |
| Percentage of Assets us-gaap:AdditionalPaidInCapital | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 | 2014-12-31 | 2013-12-31 | 2012-12-31 | 2011-12-31 | 2010-12-31 | 2009-12-31 | 2008-12-31 | 2007-12-31 |
| Value | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.306 | 0.305 | 0.305 | 0.304 | 0.3 | 0.296 | 0.288 | 0.285 | 0.284 | 0.282 |
| Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.1 | 0.1 | 0.1 |
| Percentage of Assets | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Percentage of Assets us-gaap:CommonStock | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 | 2014-12-31 | 2013-12-31 | 2012-12-31 | 2011-12-31 | 2010-12-31 | 2009-12-31 | 2008-12-31 | 2007-12-31 |
| Value | 7.4 | 7.0 | 6.6 | 5.9 | 5.7 | 4.8 | 4.8 | 4.6 | 4.8 | 4.7 | 4.5 | 4.2 | 3.8 | 3.6 | 3.0 | 1.412 | 5.144 | 7.201 | 7.235 | 3.305 | 2.512 | 2.21 | 1.685 | 1.492 | 1.214 |
| Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest | 0.5 | 0.4 | 0.4 | 0.5 | 0.5 | 0.4 | 0.4 | 0.4 | 0.4 | 0.5 | 0.5 | 0.5 | 0.5 | 0.4 | 0.4 | 0.2 | 0.8 | 0.8 | 0.9 | 0.5 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 |
| Percentage of Assets | 0.3 | 0.3 | 0.3 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.1 | 0.4 | 0.5 | 0.5 | 0.2 | 0.2 | 0.2 | 0.2 | 0.0 | 0.0 |
| Percentage of Assets us-gaap:NoncontrollingInterest | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 | 2014-12-31 | 2013-12-31 | 2012-12-31 | 2011-12-31 | 2010-12-31 | 2009-12-31 | 2008-12-31 | 2007-12-31 |
| Value | 851 | 844 | 808 | 550 | 528 | 508 | 500 | 487 | 469 | 454 | 453 | 406 | 384 | 372 | 364 | 336 | 308 | 511 | 429 | 346 | 274 | 230 | 210 | 149 | 70 |
| Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest | 53.7 | 53.9 | 51.2 | 42.6 | 42.4 | 41.9 | 40.6 | 40.6 | 39.1 | 50.9 | 51.1 | 48.4 | 46.9 | 44.9 | 45.2 | 48.1 | 45.6 | 57.6 | 56.3 | 49.4 | 44.8 | 46.0 | 44.1 | 36.9 | 21.4 |
| Percentage of Assets | 30.1 | 31.8 | 31.4 | 22.4 | 21.6 | 21.0 | 20.2 | 19.5 | 23.7 | 23.8 | 23.9 | 23.4 | 22.0 | 21.3 | 21.1 | 27.3 | 25.6 | 35.0 | 29.4 | 26.1 | 23.4 | 24.2 | 22.7 | 0.0 | 0.0 |
| Percentage of Assets us-gaap:RetainedEarnings | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 |
| Value | -19.3 | -19.3 | -19.3 | -19.3 | -19.3 | -19.3 | 0.0 |
| Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest | -1.2 | -1.2 | -1.2 | -1.5 | -1.5 | -1.6 | 0.0 |
| Percentage of Assets | -0.7 | -0.7 | -0.8 | -0.8 | -0.8 | -0.8 | 0.0 |
| Percentage of Assets us-gaap:TreasuryStock | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2009-12-31 |
| Value | 400000.0 | 400000.0 | 400000.0 | 400000.0 | 400000.0 | 400000.0 | 400000.0 | 400000.0 | 400000.0 | 300000.0 | 300000.0 | 300000.0 | 300000.0 | 300000.0 | 300000.0 | 308000.0 | 307000.0 | 307000.0 | 306000.0 | 306000.0 | 306000.0 | 305000.0 | 305000.0 | 305000.0 | 305000.0 | 305000.0 | 305000.0 | 305000.0 | 305000.0 | 305000.0 | 304000.0 | 304000.0 | 303000.0 | 303000.0 | 300000.0 | 300000.0 | 299000.0 | 299000.0 | 296000.0 | 295000.0 | 294000.0 | 291000.0 | 288000.0 | 285000.0 |
| Percentage of CommonStockValue | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2010-12-31 |
| Value | 753 | 750 | 780 | 772 | 768 | 766 | 762 | 759 | 757 | 468 | 460 | 452 | 448 | 448 | 445 | 404 | 402 | 400 | 395 | 394 | 392 | 391 | 387 | 385 | 384 | 382 | 377 | 374 | 373 | 371 | 311 | 305 | 299 | 357 | 348 | 345 | 340 | 339 | 333 | 258 |
| Percentage of AdditionalPaidInCapital | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 26.6 | 28.3 | 30.4 | 31.5 | 31.3 | 31.6 | 30.7 | 30.4 | 38.2 | 24.5 | 24.3 | 26.0 | 25.6 | 25.6 | 25.8 | 23.9 | 32.5 | 32.5 | 32.1 | 32.4 | 32.5 | 33.2 | 32.2 | 26.8 | 26.2 | 26.3 | 25.8 | 25.1 | 25.1 | 25.4 | 21.3 | 20.9 | 21.5 | 26.3 | 26.2 | 26.1 | 28.1 | 28.6 | 28.4 | 27.1 |
| Period End | 2020-12-31 |
| Value | 743 |
| Percentage of AdditionalPaidInCapital | 95.3 |
| Percentage of Assets | 28.9 |
| Percentage of Assets srt:CumulativeEffectPeriodOfAdoptionAdjustedBalance | 0.0 |
| Period End | 2020-12-31 |
| Value | -36.9 |
| Percentage of AdditionalPaidInCapital | -4.7 |
| Percentage of Assets | -1.4 |
| Percentage of Assets srt:CumulativeEffectPeriodOfAdoptionAdjustment | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2009-12-31 |
| Value | 851 | 844 | 808 | 550 | 528 | 508 | 500 | 487 | 469 | 454 | 453 | 406 | 384 | 372 | 364 | 337 | 336 | 333 | 336 | 339 | 324 | 303 | 308 | 538 | 533 | 516 | 511 | 484 | 461 | 441 | 429 | 405 | 381 | 361 | 346 | 325 | 306 | 288 | 274 | 266 | 248 | 238 | 230 | 210 |
| Percentage of RetainedEarningsAccumulatedDeficit | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 30.1 | 31.8 | 31.4 | 22.4 | 21.6 | 21.0 | 20.2 | 19.5 | 23.7 | 23.8 | 23.9 | 23.4 | 22.0 | 21.3 | 21.1 | 19.9 | 27.1 | 27.0 | 27.3 | 27.9 | 26.8 | 25.8 | 25.6 | 37.4 | 36.4 | 35.5 | 35.0 | 32.4 | 31.0 | 30.1 | 29.4 | 27.8 | 27.4 | 26.6 | 26.1 | 24.6 | 25.3 | 24.4 | 23.4 | 20.8 | 24.7 | 24.8 | 24.2 | 22.7 |
| Period End | 2020-12-31 |
| Value | 819 |
| Percentage of RetainedEarningsAccumulatedDeficit | 101.3 |
| Percentage of Assets | 31.9 |
| Percentage of Assets srt:CumulativeEffectPeriodOfAdoptionAdjustedBalance | 0.0 |
| Period End | 2020-12-31 |
| Value | 10 |
| Percentage of RetainedEarningsAccumulatedDeficit | 1.3 |
| Percentage of Assets | 0.4 |
| Percentage of Assets srt:CumulativeEffectPeriodOfAdoptionAdjustment | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2009-12-31 |
| Value | -9.2 | -16.8 | 2.4 | -17.9 | -37.9 | -45.8 | -35.9 | -49.3 | -32.9 | -34.5 | -29.9 | -23.2 | -17.1 | 4.3 | -8.1 | -12.712 | -20.892 | -32.536 | -35.212 | -24.127 | -24.398 | -18.424 | -24.904 | -19.803 | -13.841 | -16.502 | -8.686 | 3.212 | 11 | 11 | 13 | 5.482 | 0.94 | 0.609 | 1.641 | 4.357 | 1.814 | 5.257 | 2.993 | 6.175 | 17 | 15 | 9.811 | 13 |
| Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | -0.3 | -0.6 | 0.1 | -0.7 | -1.5 | -1.9 | -1.4 | -2.0 | -1.7 | -1.8 | -1.6 | -1.3 | -1.0 | 0.2 | -0.5 | -0.8 | -1.7 | -2.6 | -2.9 | -2.0 | -2.0 | -1.6 | -2.1 | -1.4 | -0.9 | -1.1 | -0.6 | 0.2 | 0.8 | 0.8 | 0.9 | 0.4 | 0.1 | 0.0 | 0.1 | 0.3 | 0.1 | 0.4 | 0.3 | 0.5 | 1.7 | 1.7 | 1.0 | 1.4 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2009-12-31 |
| Value | 7400000.0 | 7000000.0 | 6600000.0 | 5900000.0 | 5700000.0 | 4800000.0 | 4800000.0 | 4600000.0 | 4800000.0 | 4700000.0 | 4500000.0 | 4200000.0 | 3800000.0 | 3600000.0 | 3000000.0 | 2601000.0 | 1960000.0 | 1381000.0 | 1412000.0 | 2075000.0 | 3439000.0 | 5147000.0 | 5144000.0 | 6285000.0 | 7160000.0 | 7201000.0 | 7201000.0 | 6917000.0 | 6543000.0 | 7431000.0 | 7235000.0 | 4537000.0 | 4121000.0 | 3897000.0 | 3305000.0 | 3367000.0 | 2857000.0 | 2604000.0 | 2512000.0 | 2619000.0 | 2650000.0 | 2058000.0 | 2210000.0 | 1685000.0 |
| Percentage of MinorityInterest | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 0.3 | 0.3 | 0.3 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.1 | 0.1 | 0.2 | 0.3 | 0.4 | 0.4 | 0.4 | 0.5 | 0.5 | 0.5 | 0.5 | 0.4 | 0.5 | 0.5 | 0.3 | 0.3 | 0.3 | 0.2 | 0.3 | 0.2 | 0.2 | 0.2 | 0.2 | 0.3 | 0.2 | 0.2 | 0.2 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 |
| Value | 2.4 | 3.4 | 2.2 | 2.0 | 2.9 | 2.1 | 1.9 | 2.4 | 0.8 | 0.1 | 3.2 |
| Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 |
| Value | 2.4 | 3.4 | 2.2 | 2.0 | 2.9 | 2.1 | 1.9 | 2.4 | 0.8 | 0.1 | 3.2 |
| Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Percentage of Assets us-gaap:AdditionalPaidInCapital | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 | 2010-06-30 | 2010-03-31 |
| Value | -36.6 | 8.3 | 54 | 25 | 78 | 55 | 32 | -33.2 | 55 | 16 | 23 | 23 | 29 | 20 | -4.087 | 1.2 | 24 | 59 | 48 | 38 | 46 | 46 | 7.118 | 1.5 | 52 | 23 | 21 | 20 | 40 | 9.051 | 34 | -23.638 | 73 | 19 | 4.247 | -9.172 | 44 | 51 | 3.607 | -18.386 | 1.489 | 22 | 4.885 | 9.795 |
| Percentage of NetCashProvidedByUsedInOperatingActivities | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | -11.4 | 2.9 | 17.7 | 8.4 | 24.5 | 16.5 | 10.6 | -12.3 | 19.1 | 6.2 | 7.4 | 8.2 | 10.9 | 10.1 | -1.7 | 0.6 | 11.3 | 29.3 | 19.7 | 19.7 | 18.0 | 17.6 | 2.6 | 0.6 | 16.1 | 8.1 | 7.0 | 7.8 | 13.2 | 3.0 | 11.4 | -8.6 | 24.1 | 7.6 | 1.8 | -4.2 | 20.3 | 24.5 | 1.8 | -11.3 | 0.9 | 16.1 | 3.5 | 8.3 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 | 2010-06-30 | 2010-03-31 |
| Value | -28.0 | -106.3 | -10.0 | -10.2 | -9.3 | -613.9 | -10.6 | -8.9 | -222.5 | -7.2 | -11.9 | -19.0 | -11.921 | -429.176 | -7.5 | -31.403 | -4.342 | -3.55 | -4.957 | -5.232 | -2.293 | -35.589 | -20.502 | -15.14 | -19.348 | -17.22 | -20.91 | -15.007 | -21.271 | -21.452 | -20.18 | -12.078 | -14.627 | -226.522 | 10 | 6.345 | -7.219 | -40.798 | -7.777 | -3.878 | -42.865 | -8.339 | -6.728 | -6.283 |
| Percentage of NetCashProvidedByUsedInInvestingActivities | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | -8.7 | -36.8 | -3.2 | -3.4 | -2.9 | -181.6 | -3.4 | -3.3 | -76.7 | -2.6 | -3.7 | -6.8 | -4.4 | -211.7 | -3.1 | -15.4 | -2.0 | -1.7 | -2.0 | -2.7 | -0.9 | -13.5 | -7.6 | -6.2 | -5.9 | -5.9 | -6.8 | -5.6 | -7.0 | -7.1 | -6.8 | -4.4 | -4.8 | -89.1 | 4.4 | 2.9 | -3.3 | -19.3 | -3.9 | -2.4 | -27.0 | -6.0 | -4.8 | -5.3 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 | 2010-06-30 | 2010-03-31 |
| Value | 147 | 87 | -264.6 | -45.0 | -11.8 | -42.0 | -35.6 | 496 | 53 | -2.6 | 30 | 1.2 | -3.9 | 10.0 | -20.982 | 300 | -0.69 | -3.213 | -1.109 | -2.251 | 10 | 0.199 | -0.451 | -10.175 | 11 | -1.025 | -69.798 | -0.865 | 1.871 | -2.001 | -33.28 | 34 | -15.713 | 22 | -22.797 | 19 | 19 | 1.982 | -162.131 | 222 | 7.659 | -0.477 | 0.155 | -1.923 | -17.501 | -0.033 |
| Percentage of NetCashProvidedByUsedInFinancingActivities | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 45.7 | 30.4 | -84.7 | -16.5 | -3.8 | -13.9 | -11.1 | 146.8 | 17.3 | -1.0 | 10.7 | 0.4 | -1.2 | 3.6 | -7.8 | 148.0 | -0.3 | -1.6 | -0.5 | -1.1 | 4.4 | 0.1 | -0.2 | -3.9 | 4.1 | -0.4 | -21.4 | -0.3 | 0.6 | -0.8 | -11.0 | 11.4 | -5.3 | 8.3 | -7.5 | 7.5 | 8.0 | 0.9 | -73.8 | 105.4 | 3.8 | -0.3 | 0.1 | -1.4 | -12.6 | -0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 |
| Value | 82 | -10.2 | 4.4 | -1.8 | 33 | -29.7 | 38 | -67.8 | 76 | -46.2 | -39.1 | 8.7 | 0.2 | 17 | -1.1 | -107.5 | -9.3 | -32.7 |
| Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 25.7 | -3.5 | 1.4 | -0.7 | 10.7 | -9.8 | 11.9 | -20.1 | 24.7 | -17.2 | -13.5 | 3.2 | 0.1 | 6.4 | -0.4 | -53.0 | -3.9 | -16.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 | 2010-06-30 | 2010-03-31 |
| Value | 1100000.0 | 1200000.0 | 1100000.0 | 1100000.0 | 1100000.0 | 1000000.0 | 1000000.0 | 1000000.0 | 600000.0 | 400000.0 | 300000.0 | 300000.0 | 400000.0 | 300000.0 | 316000.0 | 321000.0 | 321000.0 | 321000.0 | 321000.0 | 321000.0 | 321000.0 | 321000.0 | 321000.0 | 322000.0 | 321000.0 | 326000.0 | 413000.0 | 326000.0 | 327000.0 | 326000.0 | 327000.0 | 326000.0 | 327000.0 | 326000.0 | 327000.0 | 326000.0 | 556000.0 | 321000.0 | 3289000.0 | 445000.0 | 324000.0 | 325000.0 | 327000.0 | 370000.0 | 1962000.0 | 404000.0 |
| Percentage of AmortizationOfFinancingCosts | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 |
| Value | 800000.0 | 1000000.0 | 1000000.0 | 900000.0 | 900000.0 | 800000.0 | 800000.0 | 800000.0 | 200000.0 | 200000.0 | 200000.0 | 100000.0 | 200000.0 |
| Percentage of AmortizationOfFinancingCosts | 72.7 | 83.3 | 90.9 | 81.8 | 81.8 | 80.0 | 80.0 | 80.0 | 33.3 | 50.0 | 66.7 | 33.3 | 50.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 |
| Value | 300000.0 | 200000.0 | 100000.0 | 200000.0 | 200000.0 | 200000.0 | 200000.0 | 200000.0 | 100000.0 | 200000.0 | 100000.0 | 200000.0 | 100000.0 | 200000.0 |
| Percentage of AmortizationOfFinancingCosts | 27.3 | 16.7 | 9.1 | 18.2 | 18.2 | 20.0 | 20.0 | 20.0 | 16.7 | 50.0 | 33.3 | 66.7 | 25.0 | 66.7 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 |
| Value | 19 | 19 | 18 | 19 | 23 | 23 | 22 | 24 | 16 | 16 | 13 | 12 | 12 | 12 | 16 | 9.1 |
| Percentage of DepreciationDepletionAndAmortization | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 |
| Value | 0.4 | 0.4 | 0.6 | 0.5 | 0.5 | 0.4 | 0.5 | 0.4 | 0.4 | 0.3 | 0.5 | 0.3 | 0.4 | 0.3 | 0.4 | 0.5 |
| Percentage of DepreciationDepletionAndAmortization | 2.0 | 2.1 | 3.3 | 2.6 | 2.1 | 1.7 | 2.2 | 1.7 | 2.5 | 1.9 | 3.6 | 2.5 | 3.3 | 2.4 | 2.4 | 5.5 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-06-30 | 2020-03-31 |
| Value | 3.8 | 3.9 | 4.6 | 4.4 |
| Percentage of DepreciationDepletionAndAmortization | 19.2 | 20.0 | 19.5 | 18.4 |
| Period End | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 |
| Value | 3.9 | 3.4 | 3.6 | 4.7 | 3.7 | 4.0 | 4.2 | 3.2 | 2.5 | 2.5 | 2.9 |
| Percentage of DepreciationDepletionAndAmortization | 20.3 | 14.4 | 15.1 | 20.7 | 15.4 | 25.0 | 26.2 | 23.0 | 20.7 | 20.7 | 22.8 |
| Period End | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 |
| Value | 2.9 | 3.0 | 3.0 | 2.9 | 2.9 | 2.9 | 2.9 | 2.8 | 2.8 | 2.7 | 2.9 |
| Percentage of DepreciationDepletionAndAmortization | 15.1 | 12.7 | 12.6 | 12.8 | 12.0 | 18.1 | 18.1 | 20.1 | 23.1 | 22.3 | 22.8 |
| Period End | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 |
| Value | 3.7 | 3.6 | 3.8 | 3.4 | 2.0 | 4.6 | 4.5 | 3.4 | 2.5 |
| Percentage of DepreciationDepletionAndAmortization | 19.3 | 15.3 | 15.9 | 15.0 | 8.3 | 28.8 | 28.1 | 24.5 | 20.7 |
| Period End | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 |
| Value | 8.2 | 13 | 13 | 11 | 15 | 4.1 | 4.1 | 4.0 | 4.0 |
| Percentage of DepreciationDepletionAndAmortization | 42.7 | 55.5 | 54.8 | 49.3 | 62.7 | 25.6 | 25.6 | 28.8 | 33.1 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-06-30 | 2020-03-31 |
| Value | 9.5 | 9.5 | 14 | 14 |
| Percentage of DepreciationDepletionAndAmortization | 48.0 | 48.7 | 60.2 | 59.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-06-30 | 2020-03-31 |
| Value | 2.7 | 2.6 | 3.0 | 3.3 |
| Percentage of DepreciationDepletionAndAmortization | 13.6 | 13.3 | 12.7 | 13.8 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-06-30 | 2020-03-31 |
| Value | 3.4 | 3.1 | 1.0 | 1.4 |
| Percentage of DepreciationDepletionAndAmortization | 17.2 | 15.9 | 4.2 | 5.9 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 | 2010-06-30 | 2010-03-31 |
| Value | 33 | -14.4 | 37 | -2.0 | -2.9 | -2.7 | -17.9 | 26 | 4.464 | 22 | -16.178 | 12 | -23.177 | 11 | -44.126 | 10 | -32.422 | 8.278 | 6.875 | -3.308 | -16.243 | 21 | -44.543 | 9.236 | 39 | 3.865 | 16 | -31.839 | 14 | 19 | -5.391 | 10 | -6.706 | 26 | 2.648 | -2.309 | -7.508 | 15 | -2.621 |
| Percentage of IncreaseDecreaseInAccountsReceivable | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 | 2010-06-30 | 2010-03-31 |
| Value | 28 | 36 | 8.3 | -2.6 | 13 | 16 | -15.6 | 2.6 | -6.8 | 10 | -14.6 | -7.6 | 14 | 21 | -7.564 | 1.907 | -3.552 | 20 | -9.433 | -9.194 | -10.163 | 3.111 | -20.061 | -9.729 | -0.959 | 18 | -10.956 | 2.282 | 4.68 | 12 | 0.608 | -3.892 | 0.259 | 15 | -6.817 | -1.08 | 6.6 | 17 | 9.435 | 6.094 | 3.188 | 12 | 4.665 | 9.993 | -3.198 | 2.257 |
| Percentage of IncreaseDecreaseInInventories | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 | 2010-06-30 | 2010-03-31 |
| Value | -36.6 | 8.3 | 54 | 25 | 78 | 55 | 32 | -33.2 | 55 | 16 | 23 | 23 | 29 | 20 | -4.087 | 1.2 | 24 | 59 | 48 | 38 | 46 | 46 | 7.118 | 1.5 | 52 | 23 | 21 | 20 | 40 | 9.051 | 34 | -23.638 | 73 | 19 | 4.247 | -9.172 | 44 | 51 | 3.607 | -18.386 | 1.489 | 22 | 4.885 | 9.795 |
| Percentage of NetCashProvidedByUsedInOperatingActivities | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | -11.4 | 2.9 | 17.7 | 8.4 | 24.5 | 16.5 | 10.6 | -12.3 | 19.1 | 6.2 | 7.4 | 8.2 | 10.9 | 10.1 | -1.7 | 0.6 | 11.3 | 29.3 | 19.7 | 19.7 | 18.0 | 17.6 | 2.6 | 0.6 | 16.1 | 8.1 | 7.0 | 7.8 | 13.2 | 3.0 | 11.4 | -8.6 | 24.1 | 7.6 | 1.8 | -4.2 | 20.3 | 24.5 | 1.8 | -11.3 | 0.9 | 16.1 | 3.5 | 8.3 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 | 2010-06-30 | 2010-03-31 |
| Value | 6.5 | 25 | 257 | 21 | 20 | 8.5 | 12 | 18 | 14 | 0.9 | 47 | 22 | 12 | 5.8 | 26 | 1.51 | 2.783 | -2.912 | -3.29 | 15 | 21 | -4.651 | -230.123 | 4.76 | 17 | 5.246 | 26 | 22 | 20 | 11 | 23 | 24 | 20 | 15 | 20 | 18 | 17 | 14 | 8.415 | 17 | 10 | 7.53 | 9.802 | 6.575 | 2.399 | 1.384 |
| Percentage of NetIncomeLoss | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 2.0 | 8.9 | 82.5 | 7.9 | 6.5 | 2.8 | 3.9 | 5.5 | 4.7 | 0.3 | 16.4 | 8.2 | 3.8 | 2.1 | 9.9 | 0.7 | 1.2 | -1.4 | -1.5 | 7.4 | 8.6 | -2.4 | -88.3 | 1.8 | 6.3 | 2.1 | 8.3 | 7.8 | 6.5 | 4.5 | 7.6 | 8.1 | 6.7 | 5.7 | 6.8 | 7.3 | 7.5 | 6.5 | 3.8 | 8.3 | 5.3 | 4.6 | 6.2 | 4.7 | 1.7 | 1.2 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 | 2010-06-30 | 2010-03-31 |
| Value | 6.8 | 26 | 258 | 21 | 21 | 8.5 | 12 | 18 | 14 | 1.0 | 47 | 22 | 13 | 6.3 | 27 | 2.106 | 3.332 | -2.952 | -3.878 | 13 | 19 | -4.672 | -231.144 | 4.271 | 17 | 5.275 | 27 | 23 | 20 | 12 | 25 | 24 | 20 | 16 | 21 | 18 | 18 | 14 | 8.316 | 17 | 11 | 7.403 | 9.963 | 6.665 | 2.458 | 1.419 |
| Percentage of ProfitLoss | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 2.1 | 9.0 | 82.7 | 8.0 | 6.8 | 2.8 | 3.9 | 5.5 | 4.7 | 0.4 | 16.5 | 8.3 | 4.1 | 2.3 | 10.0 | 1.0 | 1.4 | -1.4 | -1.8 | 6.7 | 7.9 | -2.4 | -88.6 | 1.6 | 6.3 | 2.2 | 8.3 | 7.9 | 6.6 | 4.6 | 8.5 | 8.2 | 6.9 | 5.9 | 7.0 | 7.4 | 7.6 | 6.5 | 3.8 | 8.3 | 5.5 | 4.5 | 6.3 | 4.8 | 1.8 | 1.2 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-09-30 | 2020-06-30 | 2019-06-30 | 2019-03-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 |
| Value | 0.3 | 0.5 | 0.2 | 0.9 | 0.2 | 0.1 | 0.5 | 0.8 | 0.5 |
| Percentage of ProfitLoss | 4.4 | 1.9 | 0.9 | 4.3 | 1.4 | 10.0 | 2.2 | 6.1 | 7.9 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 0.1 | 0.2 | 0.1 | 0.3 | 0.1 | 0.0 | 0.2 | 0.3 | 0.2 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:NoncontrollingInterest | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 |
| Value | 6.5 | 25 | 21 | 20 | 8.5 | 18 | 14 | 0.9 | 22 | 12 | 5.8 |
| Percentage of ProfitLoss | 95.6 | 98.1 | 99.1 | 95.7 | 100.0 | 100.0 | 98.6 | 90.0 | 97.8 | 93.9 | 92.1 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 2.0 | 8.9 | 7.9 | 6.5 | 2.8 | 5.5 | 4.7 | 0.3 | 8.2 | 3.8 | 2.1 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 | 2010-06-30 | 2010-03-31 |
| Value | -28.0 | -106.3 | -10.0 | -10.2 | -9.3 | -613.9 | -10.6 | -8.9 | -222.5 | -7.2 | -11.9 | -19.0 | -11.921 | -429.176 | -7.5 | -31.403 | -4.342 | -3.55 | -4.957 | -5.232 | -2.293 | -35.589 | -20.502 | -15.14 | -19.348 | -17.22 | -20.91 | -15.007 | -21.271 | -21.452 | -20.18 | -12.078 | -14.627 | -226.522 | 10 | 6.345 | -7.219 | -40.798 | -7.777 | -3.878 | -42.865 | -8.339 | -6.728 | -6.283 |
| Percentage of NetCashProvidedByUsedInInvestingActivities | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | -8.7 | -36.8 | -3.2 | -3.4 | -2.9 | -181.6 | -3.4 | -3.3 | -76.7 | -2.6 | -3.7 | -6.8 | -4.4 | -211.7 | -3.1 | -15.4 | -2.0 | -1.7 | -2.0 | -2.7 | -0.9 | -13.5 | -7.6 | -6.2 | -5.9 | -5.9 | -6.8 | -5.6 | -7.0 | -7.1 | -6.8 | -4.4 | -4.8 | -89.1 | 4.4 | 2.9 | -3.3 | -19.3 | -3.9 | -2.4 | -27.0 | -6.0 | -4.8 | -5.3 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 | 2010-06-30 | 2010-03-31 |
| Value | 15 | 11 | 11 | 5.9 | 10 | 10 | 9.5 | 11 | 9.2 | 5.9 | 9.2 | 8.4 | 12 | 6.6 | 11 | 6.4 | 8.371 | 8.386 | 4.374 | 3.993 | 4.186 | 5.232 | 10 | 11 | 9.651 | 14 | 19 | 17 | 15 | 10 | 21 | 21 | 17 | 12 | 14 | 45 | -10.457 | -6.345 | 7.219 | 4.728 | 6.167 | 4.266 | 5.154 | 3.886 | 3.96 | 3.939 |
| Percentage of PaymentsToAcquirePropertyPlantAndEquipment | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2012-12-31 | 2011-12-31 |
| Value | 6.1 | 10 | 10 | 9.5 | 11 | 9.2 | 5.9 | 9.2 | 8.4 | 12 | 6.2 | 14 | 7.219 |
| Percentage of PaymentsToAcquireProductiveAssets | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 |
| Value | 0.5 | 1.0 | 2.0 | 0.2 | 3.5 | 0.9 | 0.5 | -0.1 | 0.8 | 1.8 | 1.2 |
| Percentage of PaymentsToAcquireProductiveAssets | 8.2 | 9.3 | 19.4 | 2.1 | 30.2 | 9.8 | 8.5 | -1.1 | 9.5 | 15.0 | 19.4 |
| Period End | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 |
| Value | 3.7 | 3.5 | 5.1 | 5.1 | 3.8 | 4.9 | 1.0 | 4.4 | 2.5 | 2.0 | 1.9 |
| Percentage of PaymentsToAcquireProductiveAssets | 60.7 | 32.7 | 49.5 | 53.7 | 32.8 | 53.3 | 16.9 | 47.8 | 29.8 | 16.7 | 30.6 |
| Period End | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 |
| Value | 1.6 | 5.3 | 1.7 | 2.5 | 2.4 | 2.6 | 1.2 | 1.3 | 1.3 | 2.1 | 1.1 |
| Percentage of PaymentsToAcquireProductiveAssets | 26.2 | 49.5 | 16.5 | 26.3 | 20.7 | 28.3 | 20.3 | 14.1 | 15.5 | 17.5 | 17.7 |
| Period End | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 |
| Value | 0.2 | 0.5 | 1.0 | 0.5 | 0.9 | 0.4 | 2.7 | 2.2 | 2.9 |
| Percentage of PaymentsToAcquireProductiveAssets | 3.3 | 4.7 | 9.7 | 5.3 | 7.8 | 4.3 | 45.8 | 23.9 | 34.5 |
| Period End | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 |
| Value | 0.1 | 0.4 | 0.5 | 1.2 | 1.0 | 0.4 | 0.5 | 1.4 | 0.9 |
| Percentage of PaymentsToAcquireProductiveAssets | 1.6 | 3.7 | 4.9 | 12.6 | 8.6 | 4.3 | 8.5 | 15.2 | 10.7 |
| Period End | 2021-06-30 | 2021-03-31 | 2019-12-31 | 2018-12-31 |
| Value | 12 | 40 | 0.0 | 0.0 |
| Percentage of PaymentsToAcquireInvestments | 100.0 | 100.0 | 0.0 | 0.0 |
| Period End | 2021-03-31 |
| Value | 40 |
| Percentage of PaymentsToAcquireInvestments | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 | 2010-06-30 | 2010-03-31 |
| Value | 147 | 87 | -264.6 | -45.0 | -11.8 | -42.0 | -35.6 | 496 | 53 | -2.6 | 30 | 1.2 | -3.9 | 10.0 | -20.982 | 300 | -0.69 | -3.213 | -1.109 | -2.251 | 10 | 0.199 | -0.451 | -10.175 | 11 | -1.025 | -69.798 | -0.865 | 1.871 | -2.001 | -33.28 | 34 | -15.713 | 22 | -22.797 | 19 | 19 | 1.982 | -162.131 | 222 | 7.659 | -0.477 | 0.155 | -1.923 | -17.501 | -0.033 |
| Percentage of NetCashProvidedByUsedInFinancingActivities | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 45.7 | 30.4 | -84.7 | -16.5 | -3.8 | -13.9 | -11.1 | 146.8 | 17.3 | -1.0 | 10.7 | 0.4 | -1.2 | 3.6 | -7.8 | 148.0 | -0.3 | -1.6 | -0.5 | -1.1 | 4.4 | 0.1 | -0.2 | -3.9 | 4.1 | -0.4 | -21.4 | -0.3 | 0.6 | -0.8 | -11.0 | 11.4 | -5.3 | 8.3 | -7.5 | 7.5 | 8.0 | 0.9 | -73.8 | 105.4 | 3.8 | -0.3 | 0.1 | -1.4 | -12.6 | -0.0 |
| Period End | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 |
| Value | 0.0 | 0.0 | 0.0 | 19 | -0.8 | 0.0 | 0.1 | 2.7 | 0.3 | 0.1 | 0.1 | 2.2 | 0.046 | 0.111 | 0.049 | 1.794 | 0.046 | 0.015 | 0.042 | 0.601 | 0.099 | 0.026 | 0.015 | 0.808 | 0.041 | 0.035 | 0.117 | 3.174 | 0.023 | 0.076 | 0.024 | 1.879 | -0.053 | 0.046 | 0.018 | 4.473 | 0.009 | 0.0 | 0.0 | 1.09 |
| Percentage of PaymentsForRepurchaseOfCommonStock | 0.0 | 0.0 | 0.0 | 100.0 | 100.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 0.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 |
| Value | 16.0 | 10.6 | 28.2 | 0.157 | 0.167 | 0.255 | 0.251 | 2.0 | 0.16 | 0.276 | 0.267 | 0.475 | 0.398 | 0.374 | 0.114 | 0.359 | -0.019 | 0.588 | 0.287 | 0.31 | 0.344 | 0.302 | 0.297 | 0.219 | 0.279 | 0.29 | 0.307 | 0.33 | 0.29 | 0.289 | 0.332 | 0.315 |
| Percentage of EffectiveIncomeTaxRateContinuingOperations | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 | 2014-12-31 | 2013-12-31 | 2012-12-31 |
| Value | 360000.0 | 630000.0 | 790000.0 | 1250000.0 | 1113000.0 | 698000.0 | 552000.0 | 510000.0 | 749000.0 |
| Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 |
| Value | 220000.0 | 200000.0 | 120000.0 |
| Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber | 61.1 | 31.7 | 15.2 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 |
| Value | 150000.0 | 440000.0 | 710000.0 |
| Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber | 41.7 | 69.8 | 89.9 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 | 2014-12-31 | 2013-12-31 | 2012-12-31 |
| Value | 57.95 | 46.01 | 38.46 | 32.58 | 31.13 | 41.52 | 42.92 | 35.54 | 24.21 |
| Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 |
| Value | 0 | 30000.0 | 0 | 0 | 0 | 40000.0 | 0 | 0 | 0 | 30000.0 | 0 | 0 | 0 | 20000.0 | 8000.0 | 0 | 0 | 22000.0 | 0 |
| Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod | 0.0 | 100.0 | 0.0 | 0.0 | 0.0 | 100.0 | 0.0 | 0.0 | 0.0 | 100.0 | 0.0 | 0.0 | 0.0 | 100.0 | 100.0 | 0.0 | 0.0 | 100.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 |
| Value | 0 | 50000.0 | 10000.0 | 10000.0 | 80000.0 | 20000.0 | 0 | 70000.0 | 0 | 0 | 100000.0 | 10000.0 | 6000.0 | 137000.0 |
| Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod | 0.0 | 166.7 | 0.0 | 0.0 | 200.0 | 0.0 | 0.0 | 233.3 | 0.0 | 0.0 | 500.0 | 0.0 | 0.0 | 622.7 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 | 2014-12-31 | 2013-12-31 | 2012-12-31 | 2011-12-31 | 2010-12-31 |
| Value | 58 | 52 | 71 | 61 | 2.241 | 3.248 | 73 | 73 | 78 | 58 | 64 |
| Percentage of DeferredTaxLiabilities | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 |
| Value | 60 | 52 | 76 |
| Percentage of DeferredTaxLiabilities | 102.6 | 100.0 | 106.7 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 |
| Value | 1.5 | 0.0 | -4.8 |
| Percentage of DeferredTaxLiabilities | 2.6 | 0.0 | -6.7 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 | 2014-12-31 | 2013-12-31 | 2012-12-31 | 2011-12-31 | 2010-12-31 |
| Value | 43 | 37 | 33 | 28 | 41 | 44 | 46 | 40 | 47 | 28 | 37 |
| Percentage of DeferredTaxAssetsNet | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2015-12-31 | 2014-12-31 | 2013-12-31 | 2012-12-31 | 2011-12-31 | 2010-12-31 | 2009-12-31 | 2008-12-31 |
| Value | 1900000.0 | 1900000.0 | 1900000.0 | 2600000.0 | 2600000.0 | 2500000.0 | 2400000.0 | 2100000.0 | 2100000.0 | 2400000.0 | 2300000.0 | 1700000.0 | 1100000.0 | 1100000.0 | 800000.0 | 710000.0 | 788000.0 | 788000.0 | 788000.0 | 1024000.0 | 948000.0 | 941000.0 | 3339000.0 | 2440000.0 | 2468000.0 | 1470000.0 | 1903000.0 |
| Percentage of UnrecognizedTaxBenefits | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 | 2014-12-31 | 2013-12-31 | 2012-12-31 | 2011-12-31 | 2010-12-31 |
| Value | 33 | 68 | 65 | 27 | 15 | 8.842 | 1.982 | 1.25 | 1.766 | 1.869 | 0.758 |
| Percentage of DeferredTaxAssetsValuationAllowance | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 |
| Value | 32 |
| Percentage of DeferredTaxAssetsValuationAllowance | 95.6 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 | 2014-12-31 | 2013-12-31 | 2012-12-31 | 2011-12-31 |
| Value | 23 | 27 | 11 | 12 | 5.7 | 2.319 | 0.459 | 0.511 | 1.194 | -1.174 |
| Percentage of DeferredTaxAssetsValuationAllowance | 70.2 | 39.7 | 17.0 | 44.5 | 37.9 | 26.2 | 23.2 | 40.9 | 67.6 | -62.8 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 |
| Value | 16.8 | -7.2 | 19.4 |
| Percentage of ChangeinAccountsReceivableAsaPercentage | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 |
| Value | 16.7 | -10.6 | -4.6 |
| Percentage of ChangeinCustomerAdvancesandBillingsinExcessofContractRevenueAsaPercentage | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 |
| Value | 42.1 | -89.5 |
| Percentage of ChangeinLongtermDeferredRevenueAsaPercentage | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 |
| Value | -8.1 | -6.0 | -20.6 |
| Percentage of ChangeinUnbilledContractRevenueAsaPercentage | 100.0 | 100.0 | 100.0 |
| Period End | 2020-10-01 |
| Value | 2500000.0 |
| Percentage of DisposalGroupIncludingDiscontinuedOperationEstimatedClosingDateAdjustments | 100.0 |
| Period End | 2020-10-01 |
| Value | -2900000.0 |
| Percentage of DisposalGroupIncludingDiscontinuedOperationEstimatedClosingDateAdjustments | -116.0 |
| Period End | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 |
| Value | -100000.0 | 200000.0 | 300000.0 | 300000.0 | 300000.0 | 300000.0 |
| Percentage of DisposalGroupIncludingDiscontinuedOperationsDepreciation | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-09-30 | 2019-09-30 |
| Value | 26.5 | 20.6 |
| Percentage of EffectiveIncomeTaxRateDiscontinuedOperationsPercent | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 |
| Value | 1100000.0 | -2300000.0 |
| Percentage of EquitySecuritiesFVNIForeignCurrencyTranslationAdjustments | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 |
| Value | 800000.0 | -2400000.0 |
| Percentage of EquitySecuritiesFVNIForeignCurrencyTranslationAdjustments | 72.7 | 104.3 |
| Period End | 2021-06-30 | 2021-03-31 |
| Value | 300000.0 | 100000.0 |
| Percentage of EquitySecuritiesFVNIForeignCurrencyTranslationAdjustments | 27.3 | -4.3 |
| Period End | 2021-06-30 | 2021-03-31 |
| Value | 800000.0 | -2400000.0 |
| Percentage of EquitySecuritiesFVNIForeignCurrencyTranslationAdjustments | 72.7 | 104.3 |
| Period End | 2020-12-31 |
| Value | 31 |
| Percentage of GoodwillImpairedReallocationAmount | 100.0 |
| Period End | 2020-12-31 |
| Value | 23 |
| Percentage of GoodwillImpairedReallocationAmount | 73.9 |
| Period End | 2020-12-31 |
| Value | 6.4 |
| Percentage of GoodwillImpairedReallocationAmount | 20.1 |
| Period End | 2020-12-31 |
| Value | 34 |
| Percentage of GoodwillImpairedReallocationAmount | 108.5 |
| Period End | 2020-12-31 |
| Value | 7.8 |
| Percentage of GoodwillImpairedReallocationAmount | 24.5 |
| Period End | 2020-12-31 |
| Value | 1.3 |
| Percentage of GoodwillImpairedReallocationAmount | 4.1 |
| Period End | 2020-12-31 |
| Value | 17 |
| Percentage of GoodwillImpairedReallocationAmount | 55.0 |
| Period End | 2020-12-31 |
| Value | 6.2 |
| Percentage of GoodwillImpairedReallocationAmount | 19.5 |
| Period End | 2020-12-31 |
| Value | -64.4 |
| Percentage of GoodwillImpairedReallocationAmount | -202.5 |
| Period End | 2020-12-31 |
| Value | -40.9 |
| Percentage of GoodwillImpairedReallocationAmount | -128.6 |
| Period End | 2020-12-31 |
| Value | -23.7 |
| Percentage of GoodwillImpairedReallocationAmount | -74.5 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 |
| Value | 100000.0 | 200000.0 | -100000.0 | 100000.0 | 200000.0 | 700000.0 | 0 | -200000.0 | 0 | 100000.0 | 600000.0 | 100000.0 | -7000.0 | 131000.0 | 131000.0 | 145000.0 | 0 | 443000.0 | 612000.0 | 0 | 8650000.0 | 0 |
| Percentage of GovernmentGrant | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 100.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 100.0 | 100.0 | 0.0 | 100.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 |
| Value | 19 | -10.5 | -6.7 | -8.4 | 9.3 | -3.5 | 7.3 | -9.9 | -2.0 | -2.5 | 7.0 | -10.9 | -4.2 | 13 | 8.913 | 10 | -7.857 | 4.428 | 3.369 | -5.673 | -4.651 | 12 | 1.863 | -11.454 | -5.711 | 5.592 | -9.32 | 3.067 | -19.287 | 7.127 | -4.917 | 8.332 | 5.858 | 0.864 | -17.893 | -3.997 | -2.523 | 5.462 | 26 | 11 | 20 | -7.207 | -1.796 | 0.703 |
| Percentage of IncreaseDecreaseInCustomerAdvancesAndBillingsInExcessOfCost | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 |
| Value | 29 | 6.8 | 4.8 | 13 | -4.9 | -8.4 | -10.2 | -10.2 | 10 | 11 | 19 | -10.7 |
| Percentage of IncreaseDecreaseinContractwithCustomerAssetAndOtherAssets | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 |
| Value | 19800000.0 | -12600000.0 | -5800000.0 |
| Percentage of IncreaseDecreaseinContractwithCustomerLiabilityCurrent | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 |
| Value | 800000.0 | -1700000.0 |
| Percentage of IncreaseDecreaseinContractwithCustomerLiabilityNoncurrent | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 |
| Value | 0.0 | 13 | 0.0 |
| Percentage of NetCostofConvertibleNoteHedgeandWarrants | 0.0 | 100.0 | 0.0 |
| Period End | 2020-11-03 |
| Value | 6.0 |
| Percentage of PotentialEarnOutNotToExceedAmount | 100.0 |
| Period End | 2020-12-23 |
| Value | 25 |
| Percentage of PotentialEarnOutNotToExceedAmount | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 |
| Value | 0.0 | 12 |
| Percentage of SharebasedCompensationArrangementbySharebasedPaymentAwardTotalFairValueGrantedDuringPeriodEmployees | 0.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 |
| Value | 200000.0 | 3000000.0 | 0 | 0 | 1700000.0 | 0 | 100000.0 | 2700000.0 |
| Percentage of SharebasedCompensationRepurchaseOfShares | 100.0 | 100.0 | 0.0 | 0.0 | 100.0 | 0.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 |
| Value | 2.1 | 2.0 | 2.0 | 1.9 | 1.9 | 2.0 | 1.9 | 1.8 | 1.8 | 2.3 | 2.5 | 2.5 | 2.773 | 3.408 | 3.342 | 3.277 | 3.213 | 3.15 | 3.089 | 3.029 | 2.969 | 2.912 | 2.855 | 2.799 | 2.745 | 2.691 | 2.639 | 2.587 | 2.537 | 2.487 | 2.439 | 2.391 | 2.345 | 2.299 | 2.227 | 2.238 |
| Percentage of AmortizationOfDebtDiscountPremium | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 |
| Value | 2.1 | 2.0 | 2.0 | 1.9 | 1.9 | 2.0 | 1.9 | 1.8 | 1.8 | 1.9 | 1.8 | 1.7 |
| Percentage of AmortizationOfDebtDiscountPremium | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 82.6 | 72.0 | 68.0 |
| Period End | 2020-10-13 |
| Value | 5000000.0 |
| Percentage of BusinessCombinationBargainPurchaseGainRecognizedAmount | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2012-12-31 |
| Value | 1200000.0 | 800000.0 | 3222000.0 | 0 | -1623000.0 | -22000.0 | 75000.0 | 47000.0 | 123000.0 | -86000.0 | 0 | 463000.0 | 187000.0 | -63000.0 | -61000.0 | -63000.0 | 0 | -81000.0 | 0 |
| Percentage of BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1 | 100.0 | 100.0 | 100.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 100.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 |
| Value | -100000.0 | 100000.0 |
| Percentage of BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1 | -8.3 | 12.5 |
| Period End | 2021-06-30 | 2021-03-31 |
| Value | 1300000.0 | 700000.0 |
| Percentage of BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1 | 108.3 | 87.5 |
| Period End | 2021-06-30 |
| Value | 1200000.0 |
| Percentage of BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 |
| Value | -0.2 | -0.7 |
| Percentage of BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentIntangibles | 100.0 | 100.0 |
| Period End | 2021-06-30 |
| Value | 17 |
| Percentage of BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentIntangibles | -8800.0 |
| Period End | 2021-02-16 |
| Value | 600000.0 |
| Percentage of CashAcquiredFromAcquisition | 100.0 |
| Period End | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 |
| Value | 317 | -0.3 | 0.0 | -0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 133 | 0.1 | -0.5 | -0.4 | -0.6 |
| Percentage of CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations | 100.0 | 100.0 | 0.0 | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 |
| Value | 0.0 | 3.4 | 7.7 | 7.2 | 0.0 | 0.0 | 0.0 | 0.0 | -31.7 | -2.6 | 1.1 | 3.0 | -0.5 |
| Percentage of CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations | 0.0 | 100.0 | 100.0 | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 |
| Value | -25.1 | 52 | 25 | 24 | 34 | 17 | 21 | 25 | 29 | 37 | 5.7 | 10 | 28 | 38 | 6.2 | 7.0 | 18 | 25 |
| Percentage of ContractWithCustomerLiabilityRevenueRecognized | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 | 2010-06-30 | 2010-03-31 |
| Value | 19 | 19 | 19 | 18 | 23 | 23 | 22 | 24 | 16 | 16 | 13 | 10.0 | 13 | 13 | 13 | 10 | 9.32 | 9.161 | 8.904 | 9.419 | 9.707 | 9.479 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 9.914 | 9.425 | 8.213 | 7.335 | 7.223 | 7.505 | 7.021 | 6.737 | 6.652 | 6.002 | 5.945 | 5.853 | 5.777 |
| Percentage of DepreciationAndAmortization | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 |
| Value | 224 |
| Percentage of DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax | 100.0 |
| Period End | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-09-30 |
| Value | 8.3 | 8.0 | 7.7 | 6.3 |
| Percentage of DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-09-30 |
| Value | 2200000.0 | 1700000.0 | 1300000.0 | 1300000.0 |
| Percentage of DiscontinuedOperationTaxEffectOfDiscontinuedOperation | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-09-30 |
| Value | 9.5 | 11 | 10 | 11 |
| Percentage of DisposalGroupIncludingDiscontinuedOperationCostsOfGoodsSold | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-09-30 |
| Value | 1.4 | 1.5 | 1.4 | 1.8 |
| Percentage of DisposalGroupIncludingDiscontinuedOperationGeneralAndAdministrativeExpense | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-09-30 |
| Value | 8.5 | 7.6 | 7.7 | 6.6 |
| Percentage of DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-09-30 | 2019-09-30 |
| Value | 200000.0 | 300000.0 |
| Percentage of DisposalGroupIncludingDiscontinuedOperationOtherExpense | 100.0 | 100.0 |
| Period End | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-09-30 |
| Value | 19 | 20 | 19 | 19 |
| Percentage of DisposalGroupIncludingDiscontinuedOperationRevenue | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 |
| Value | 4.4 | 10 | 0.2 | -3.0 | 4.6 | -5.9 | 0.9 | -1.5 | -4.7 | -2.9 | -7.7 | 3.9 | 2.3 | 1.3 | 2.9 | 0.7 |
| Percentage of EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-03-31 |
| Value | 5.9 |
| Percentage of EquitySecuritiesFvNiUnrealizedGain | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 |
| Value | -12.5 | 3.3 | 16 | 0.7 | 1.0 | -4.8 | -2.7 | 2.6 | 0.0 |
| Percentage of EquitySecuritiesFvNiUnrealizedGainLoss | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 |
| Period End | 2020-09-30 |
| Value | 0.7 |
| Percentage of EquitySecuritiesFvNiUnrealizedGainLoss | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 | 2010-06-30 | 2010-03-31 |
| Value | -1700000.0 | 200000.0 | -100000.0 | 800000.0 | -900000.0 | -300000.0 | -1700000.0 | 1700000.0 | 200000.0 | 100000.0 | -600000.0 | 300000.0 | 1200000.0 | -1600000.0 | -1010000.0 | -1286000.0 | -240000.0 | -264000.0 | -234000.0 | -4000.0 | 93000.0 | -206000.0 | -577000.0 | -848000.0 | 3141000.0 | -3064000.0 | 46000.0 | -507000.0 | -391000.0 | -118000.0 | 286000.0 | 393000.0 | -91000.0 | -346000.0 | 381000.0 | -461000.0 | -1770000.0 | 352000.0 | -1799000.0 | 2390000.0 | -616000.0 | 759000.0 | 415000.0 | 143000.0 | -266000.0 | -1163000.0 |
| Percentage of ForeignCurrencyTransactionGainLossBeforeTax | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 |
| Value | 8900000.0 | 3900000.0 |
| Percentage of ForeignCurrencyTransactionGainLossBeforeTax | -523.5 | 1950.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 |
| Value | -1700000.0 | 4600000.0 | -5400000.0 | 2000000.0 | 1100000.0 | 0 | 2100000.0 | 300000.0 | 1200000.0 | 200000.0 | 400000.0 | 400000.0 | -85000.0 | 43000.0 | -65000.0 | -193000.0 | -226000.0 | 31000.0 | -399000.0 | 50000.0 | -842000.0 | -545000.0 | 1249000.0 | 60000.0 | 3901000.0 | -2856000.0 | 1633000.0 | -1072000.0 | -3439000.0 | 131000.0 | 266000.0 | -346000.0 | 3191000.0 | -640000.0 | -2793000.0 | 338000.0 | -1739000.0 |
| Percentage of ForeignCurrencyTransactionGainLossUnrealized | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-09-30 | 2020-06-30 |
| Value | 0 | 2600000.0 |
| Percentage of GainLossOnSaleOfPropertyPlantEquipment | 0.0 | 100.0 |
| Period End | 2021-03-31 | 2020-12-31 | 2018-03-31 | 2017-03-31 | 2015-03-31 |
| Value | 52 | 38 | 4.7 | 10 | 0.181 |
| Percentage of GoodwillAcquiredDuringPeriod | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-03-31 | 2020-12-31 |
| Value | 52 | 38 |
| Percentage of GoodwillAcquiredDuringPeriod | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-09-30 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 |
| Value | 0.2 | 0.7 | 0.0 | -5.6 | 21 | 3.8 | 18 | 0.0 |
| Percentage of GoodwillPurchaseAccountingAdjustments | 100.0 | 100.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 |
| Period End | 2020-09-30 |
| Value | 0.0 |
| Percentage of GoodwillPurchaseAccountingAdjustments | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 |
| Value | 0.2 | 0.7 |
| Percentage of GoodwillPurchaseAccountingAdjustments | 100.0 | 100.0 |
| Period End | 2020-09-30 |
| Value | 43 |
| Percentage of GoodwillTransfers | 100.0 |
| Period End | 2020-09-30 |
| Value | 13 |
| Percentage of GoodwillTransfers | 31.4 |
| Period End | 2020-09-30 |
| Value | 64 |
| Percentage of GoodwillTransfers | 149.2 |
| Period End | 2020-09-30 |
| Value | 43 |
| Percentage of GoodwillTransfers | 99.8 |
| Period End | 2020-09-30 |
| Value | 11 |
| Percentage of GoodwillTransfers | 27.3 |
| Period End | 2020-09-30 |
| Value | 63 |
| Percentage of GoodwillTransfers | 146.9 |
| Period End | 2020-09-30 |
| Value | 137 |
| Percentage of GoodwillTransfers | 316.4 |
| Period End | 2020-09-30 |
| Value | 33 |
| Percentage of GoodwillTransfers | 77.6 |
| Period End | 2020-09-30 |
| Value | 5.6 |
| Percentage of GoodwillTransfers | 12.9 |
| Period End | 2020-09-30 |
| Value | 295 |
| Percentage of GoodwillTransfers | 682.7 |
| Period End | 2020-09-30 |
| Value | 105 |
| Percentage of GoodwillTransfers | 244.1 |
| Period End | 2020-09-30 |
| Value | -121.5 |
| Percentage of GoodwillTransfers | -280.6 |
| Period End | 2020-09-30 |
| Value | -118.6 |
| Percentage of GoodwillTransfers | -273.9 |
| Period End | 2020-09-30 | 2019-12-31 |
| Value | -176.2 | 0.0 |
| Percentage of GoodwillTransfers | -406.9 | 0.0 |
| Period End | 2020-09-30 | 2019-12-31 |
| Value | -401.3 | 0.0 |
| Percentage of GoodwillTransfers | -926.8 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 |
| Value | 2200000.0 | -7400000.0 | 9500000.0 | 6900000.0 | 2600000.0 | -3700000.0 | 5100000.0 | -6200000.0 | 1700000.0 | -2300000.0 | 300000.0 | -400000.0 | -3000000.0 | 1500000.0 | 390000.0 | 692000.0 | 1156000.0 | 262000.0 | -281000.0 | 101000.0 | -268000.0 | 868000.0 | 3889000.0 | -353000.0 | 794000.0 | -2443000.0 | 4529000.0 | -1745000.0 | -134000.0 | 26000.0 | -377000.0 | 401000.0 | -334000.0 | 654000.0 |
| Percentage of GoodwillTranslationAndPurchaseAccountingAdjustments | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 |
| Value | 1400000.0 | -4800000.0 | 6700000.0 |
| Percentage of GoodwillTranslationAndPurchaseAccountingAdjustments | 63.6 | 64.9 | 70.5 |
| Period End | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 |
| Value | 5500000.0 | 1400000.0 | -2400000.0 | 3400000.0 | -3500000.0 | 900000.0 | -1700000.0 | 200000.0 |
| Percentage of GoodwillTranslationAndPurchaseAccountingAdjustments | 79.7 | 53.8 | 64.9 | 66.7 | 56.5 | 52.9 | 73.9 | 66.7 |
| Period End | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 |
| Value | 1300000.0 | 300000.0 | -300000.0 | 400000.0 |
| Percentage of GoodwillTranslationAndPurchaseAccountingAdjustments | 18.8 | 11.5 | 8.1 | 7.8 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 |
| Value | 700000.0 | -2600000.0 | 2600000.0 |
| Percentage of GoodwillTranslationAndPurchaseAccountingAdjustments | 31.8 | 35.1 | 27.4 |
| Period End | 2020-12-31 |
| Value | 400000.0 |
| Percentage of GoodwillTranslationAndPurchaseAccountingAdjustments | 4.2 |
| Period End | 2020-12-31 |
| Value | -200000.0 |
| Percentage of GoodwillTranslationAndPurchaseAccountingAdjustments | -2.1 |
| Period End | 2021-03-31 |
| Value | 0.04 |
| Percentage of IncomeLossFromContinuingOperationsPerBasicAndDilutedShare | 100.0 |
| Period End | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 |
| Value | 220 | 6.1 | 6.4 | 6.4 | -4.1 | 0.0 | 0.0 | 0.0 | 29 | 0.7 | 2.4 | 1.6 | -0.8 | 2.1 | 1.5 | -1.0 |
| Percentage of IncomeLossFromDiscontinuedOperationsNetOfTax | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 0.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-03-31 | 2020-06-30 |
| Value | 6.4 | 6.3 |
| Percentage of IncomeLossFromDiscontinuedOperationsNetOfTax | 0.0 | 98.4 |
| Period End | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 |
| Value | 220 | 6.1 | 6.3 | 6.4 | 0.0 | 0.0 | 0.0 | 0.0 | 29 | 0.7 | 2.4 | 1.6 | -0.8 | 2.1 |
| Percentage of IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-09-30 | 2019-09-30 |
| Value | 6.1 | 5.0 |
| Percentage of IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity | 100.0 | 0.0 |
| Period End | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 |
| Value | 6.23 | 0.18 | 0.18 | 0.17 | -0.11 | 0 | 0 | 0 | 0.94 | 0.02 | 0.08 | 0.05 | -0.02 | 0.07 | 0.05 | -0.03 |
| Percentage of IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 0.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 |
| Value | 5.72 | 0.17 | 0.18 | 0.17 | -0.12 | 0 | 0 | 0 | 0.91 | 0.02 | 0.07 | 0.05 | -0.02 | 0.07 | 0.05 | -0.03 |
| Percentage of IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 0.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 |
| Value | 33 | -13.6 | 36 | -8.6 | -10.6 | -7.5 | -22.0 | -12.7 | -1.1 | 12 | -2.0 | -1.7 | -6.2 | -15.6 |
| Percentage of IncreaseDecreaseInAccountsAndOtherReceivables | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 |
| Value | -8.5 | 4.1 | 78 | 6.2 | -4.8 | -17.0 | -1.2 | 1.0 | 0.0 | -20.7 | 15 | -24.7 | 17 | -18.6 | 3.324 | 11 | -6.057 | -10.53 | 32 | -3.486 | 8.332 | -48.239 | 19 |
| Percentage of IncreaseDecreaseInAccountsPayableAndOtherOperatingLiabilities | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 |
| Value | -6.4 | -4.8 | -17.7 |
| Percentage of IncreaseDecreaseInContractWithCustomerAsset | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 |
| Value | -12.5 | 3.3 |
| Percentage of IncreaseDecreaseInEquitySecuritiesFvNi | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 |
| Value | -17.2 | -2.6 |
| Percentage of IncreaseDecreaseInEquitySecuritiesFvNi | 137.6 | -78.8 |
| Period End | 2021-06-30 | 2021-03-31 |
| Value | 4.7 | 5.9 |
| Percentage of IncreaseDecreaseInEquitySecuritiesFvNi | -37.6 | 178.8 |
| Period End | 2021-06-30 | 2021-03-31 |
| Value | -12.5 | 3.3 |
| Percentage of IncreaseDecreaseInEquitySecuritiesFvNi | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 |
| Value | 2250000.0 | 2170000.0 | 0 | 0 | -270000.0 | 0 | 560000.0 | 490000.0 | 0 | 140000.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 45000.0 | 122000.0 | 823000.0 | 102000.0 | 0 | 0 | 0 |
| Percentage of IncrementalCommonSharesAttributableToCallOptionsAndWarrants | 100.0 | 100.0 | 0.0 | 0.0 | 100.0 | 0.0 | 100.0 | 100.0 | 0.0 | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 |
| Value | 2640000.0 | 2570000.0 | 430000.0 | 0 | 0 | -220000.0 | 590000.0 | 1250000.0 | 1200000.0 | 40000.0 | 930000.0 | 290000.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | -396000.0 | 103000.0 | 320000.0 | 718000.0 | 108000.0 | 1399000.0 | 762000.0 | 107000.0 | -13000.0 | 13000.0 | 0 | 0 | 0 |
| Percentage of IncrementalCommonSharesAttributableToConversionOfDebtSecurities | 100.0 | 100.0 | 100.0 | 0.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 |
| Value | 310000.0 | 330000.0 | 50000.0 | 280000.0 | 130000.0 | 240000.0 | -20000.0 | 380000.0 | 440000.0 | 550000.0 | -60000.0 | 850000.0 | 840000.0 | 750000.0 | 38000.0 | 556000.0 | 553000.0 | 0 | 49000.0 | 479000.0 | 357000.0 | 0 | -206000.0 | 247000.0 | 240000.0 | 186000.0 | -1000.0 | 272000.0 | 269000.0 | 318000.0 | 59000.0 | 354000.0 | 315000.0 | 284000.0 | -4000.0 | 391000.0 | 403000.0 | 468000.0 | -35000.0 | 678000.0 |
| Percentage of IncrementalCommonSharesAttributableToShareBasedPaymentArrangements | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 100.0 | 100.0 | 100.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 |
| Value | 2.2 | 2.0 | 6.5 | 7.5 | 7.2 | 7.8 | 5.4 | 5.3 |
| Percentage of InterestExpenseDebtExcludingAmortization | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 |
| Value | 1.8 | 1.3 | 3.8 | 4.6 | 4.8 | 5.6 | 2.6 | 3.2 |
| Percentage of InterestExpenseDebtExcludingAmortization | 81.8 | 65.0 | 58.5 | 61.3 | 66.7 | 71.8 | 48.1 | 60.4 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 |
| Value | 1.3 | 0.7 | 0.4 | 0.6 | 0.6 | 1.0 | 2.6 | 3.2 |
| Percentage of InterestExpenseDebtExcludingAmortization | 59.1 | 35.0 | 6.2 | 8.0 | 8.3 | 12.8 | 48.1 | 60.4 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-09-30 |
| Value | 0.5 | 0.6 | 3.4 | 4.0 | 4.2 | 4.6 |
| Percentage of InterestExpenseDebtExcludingAmortization | 22.7 | 30.0 | 52.3 | 53.3 | 58.3 | 59.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 |
| Value | 0.7 | 0.6 | 0.7 | 0.6 | 0.7 | 0.6 | 0.7 | 0.6 | 0.7 | 0.6 | 0.7 | 0.6 | 0.7 | 0.6 |
| Percentage of InterestExpenseDebtExcludingAmortization | 31.8 | 30.0 | 0.0 | 9.2 | 9.3 | 8.3 | 0.0 | 7.7 | 13.0 | 11.3 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 |
| Value | 2.1 | 2.0 |
| Percentage of InterestExpenseDebtExcludingAmortization | 95.5 | 100.0 |
| Period End | 2021-06-10 |
| Value | 14 |
| Percentage of LossContingencyDamagesAwardedValue | 100.0 |
| Period End | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 |
| Value | 317 | 3.1 | 7.7 | 7.1 | 0.0 | 0.0 | 0.0 | 0.0 | 101 | -2.5 | 0.6 | 2.6 | -1.1 |
| Percentage of NetCashProvidedByUsedInDiscontinuedOperations | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 |
| Value | 7.3 | -19.6 | 20 | 19 | 7.5 | -10.2 | 13 | -16.7 | 1.3 | -4.9 | -8.9 | -6.3 | -21.5 | 12 |
| Percentage of OciBeforeReclassificationsNetOfTaxAttributableToParent | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 |
| Value | 7.3 | -19.6 | 21 | 19 | 7.5 | -10.2 | 12 | -16.7 | 1.3 | -4.9 | -5.9 | -6.3 | -21.5 | 12 | 5.026 | 6.657 | 11 | 2.5 | -12.228 | 0.021 |
| Percentage of OciBeforeReclassificationsNetOfTaxAttributableToParent | 100.0 | 100.0 | 108.5 | 100.0 | 100.0 | 100.0 | 92.1 | 100.0 | 100.0 | 100.0 | 66.3 | 100.0 | 100.0 | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 |
| Value | 3.0 | 3.0 | 2.7 | 2.5 | 3.2 | 3.1 | 3.4 | 2.7 | 2.1 | 2.0 | 2.0 | 2.2 | 2.5 |
| Percentage of OperatingLeaseExpense | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 |
| Value | 0.3 | 0.4 | -1.4 | 0.2 | 0.4 | 0.3 | 0.6 | 0.3 | 0.3 | 0.3 | -2.7 | 0.2 | 0.1 | 0.3 | -0.304 | 0.201 | 0.2 | 0.2 | 1.151 | 0.25 |
| Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 |
| Value | 7.6 | -19.2 | 20 | 20 | 7.9 | -9.9 | 13 | -16.4 | 1.6 | -4.6 | -6.7 | -6.1 | -21.4 | 12 |
| Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent | 2533.3 | -4800.0 | -1450.0 | 10000.0 | 1975.0 | -3300.0 | 2233.3 | -5466.7 | 533.3 | -1533.3 | 248.1 | -3050.0 | -21400.0 | 4133.3 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 |
| Value | 7.3 | -19.6 | 21 | 19 | 7.5 | -10.2 | 12 | -16.7 | 1.3 | -4.9 | -4.0 | -6.3 | -21.5 | 12 | 5.004 | 7.979 | 11 | 2.5 | -12.228 | 0.021 |
| Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent | 2433.3 | -4900.0 | -1550.0 | 9900.0 | 1875.0 | -3400.0 | 2133.3 | -5566.7 | 433.3 | -1633.3 | 148.1 | -3150.0 | -21500.0 | 4033.3 | -1646.1 | 3969.7 | 5700.0 | 1250.0 | -1062.4 | 8.4 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 |
| Value | 200000.0 | -1900000.0 | -3500000.0 | 4400000.0 | 800000.0 | -3200000.0 | 2400000.0 | 2600000.0 | -3400000.0 | -2500000.0 | 3800000.0 | -1300000.0 | 300000.0 | -300000.0 | -1325000.0 | -1243000.0 | 874000.0 | -606000.0 | -1666000.0 | 1444000.0 | -548000.0 | -506000.0 | -873000.0 | -288000.0 | 1066000.0 | -642000.0 | 103000.0 | -294000.0 | 479000.0 | -118000.0 | -465000.0 | -494000.0 | -3122000.0 | -433000.0 | -6774000.0 | 1346000.0 | -494000.0 | -243000.0 | -1292000.0 | 1815000.0 | -278000.0 | 291000.0 | -461000.0 | -409000.0 |
| Percentage of OtherNoncashIncomeExpense | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 |
| Value | 0.3 | 0.4 | 0.8 | 0.6 | 2.1 | 0.0 | 0.8 | 0.6 | 4.0 | 5.9 | 0.5 | 0.1 | 0.4 | 0.3 | 5.2 | 1.5 | 3.8 | 3.3 |
| Percentage of OtherRestructuringCosts | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 |
| Value | 0.3 | 0.4 | 0.5 | 0.6 | 0.0 | 0.0 | 0.6 | 0.2 | 3.5 | 5.0 | 0.3 | 0.0 | 0.4 | 0.2 | 2.5 | 0.3 | 2.0 | 1.8 |
| Percentage of OtherRestructuringCosts | 100.0 | 100.0 | 62.5 | 100.0 | 0.0 | 0.0 | 75.0 | 33.3 | 87.5 | 84.7 | 60.0 | 0.0 | 100.0 | 66.7 | 48.1 | 20.0 | 52.6 | 54.5 |
| Period End | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 |
| Value | 0.3 | 0.0 | 2.1 | 0.0 | 0.2 | 0.4 | 0.5 | 0.9 | 0.2 | 0.1 | 0.0 | 0.1 | 2.7 | 1.2 | 1.8 | 1.5 |
| Percentage of OtherRestructuringCosts | 37.5 | 0.0 | 100.0 | 0.0 | 25.0 | 66.7 | 12.5 | 15.3 | 40.0 | 100.0 | 0.0 | 33.3 | 51.9 | 80.0 | 47.4 | 45.5 |
| Period End | 2020-10-14 |
| Value | 180 |
| Percentage of PartnersCapitalAccountPeriodIncreaseDecrease | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 |
| Value | 0.6 | 1.0 | 1.7 | 2.2 | 6.5 | 3.3 | 2.4 | 1.8 | 4.3 | 1.3 | 2.7 | 0.2 | 2.2 | 1.1 | 3.692 | 3.821 | 7.472 | 5.315 | 2.196 | 1.711 | 3.352 | -2.177 | 0.333 | 0.323 | 0.59 | 1.381 | 1.395 | 2.206 | 0.957 |
| Percentage of PaymentsForRestructuring | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 |
| Value | 0.0 | 0.1 | 0.1 | 0.4 | 2.2 | 0.0 | -0.2 | 0.0 | 0.1 | 0.2 | 1.6 | 0.0 | 1.5 | 0.2 | 1.8 | 1.5 | 3.1 | 1.6 |
| Percentage of PaymentsForRestructuring | 0.0 | 10.0 | 5.9 | 18.2 | 33.8 | 0.0 | -8.3 | 0.0 | 2.3 | 15.4 | 59.3 | 0.0 | 68.2 | 18.2 | 48.8 | 39.3 | 41.5 | 30.1 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-06-30 | 2020-03-31 |
| Value | 0.2 | 0.3 | 1.2 | 0.8 |
| Percentage of PaymentsForRestructuring | 33.3 | 30.0 | 18.5 | 24.2 |
| Period End | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 |
| Value | 0.1 | 0.9 | 0.7 | 0.6 | 0.4 | 3.2 | 0.5 | 0.1 | 0.0 | 0.2 | 0.4 | 0.7 | 0.5 |
| Percentage of PaymentsForRestructuring | 4.5 | 13.8 | 21.2 | 25.0 | 22.2 | 74.4 | 38.5 | 3.7 | 0.0 | 9.1 | 36.4 | 19.0 | 13.1 |
| Period End | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 |
| Value | 0.5 | 0.3 | 0.1 | 0.1 | 0.3 | 0.4 | 0.0 | 0.8 | 0.1 | -0.2 | 1.2 | -0.9 | 0.6 |
| Percentage of PaymentsForRestructuring | 22.7 | 4.6 | 3.0 | 4.2 | 16.7 | 9.3 | 0.0 | 29.6 | 50.0 | -9.1 | 109.1 | -24.4 | 15.7 |
| Period End | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 |
| Value | 0.3 | 0.6 | 0.1 | 0.2 | 0.5 | 0.5 | -0.5 | 0.2 | 0.0 |
| Percentage of PaymentsForRestructuring | 13.6 | 9.2 | 3.0 | 8.3 | 27.8 | 11.6 | -38.5 | 7.4 | 0.0 |
| Period End | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 |
| Value | 0.9 | 2.5 | 2.4 | 1.7 | 0.6 | 0.1 | 1.1 | 0.0 | 0.1 |
| Percentage of PaymentsForRestructuring | 40.9 | 38.5 | 72.7 | 70.8 | 33.3 | 2.3 | 84.6 | 0.0 | 50.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-06-30 | 2020-03-31 |
| Value | 0.4 | 0.6 | 3.2 | 2.5 |
| Percentage of PaymentsForRestructuring | 66.7 | 60.0 | 49.2 | 75.8 |
| Period End | 2020-09-30 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 |
| Value | -0.9 | 10 | 2.7 | 0.0 | 0.0 | 0.0 | 0.2 | 0.0 | 0.0 | 0.0 |
| Percentage of PaymentsOfDebtIssuanceCosts | 100.0 | 100.0 | 100.0 | 0.0 | 0.0 | 0.0 | 100.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-04-20 |
| Value | 0.0 | 11 | -0.8 | 1.9 |
| Percentage of PaymentsOfDebtIssuanceCosts | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2020-10-13 |
| Value | 10.0 |
| Percentage of PaymentsToAcquireBusinessesGross | 100.0 |
| Period End | 2020-11-03 |
| Value | 20 |
| Percentage of PaymentsToAcquireBusinessesGross | 0.0 |
| Period End | 2020-12-23 |
| Value | 20 |
| Percentage of PaymentsToAcquireBusinessesGross | 0.0 |
| Period End | 2020-10-13 |
| Value | 10.0 |
| Percentage of PaymentsToAcquireBusinessesGross | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2012-12-31 | 2012-09-30 | 2011-12-31 | 2011-09-30 | 2010-12-31 | 2010-09-30 |
| Value | 0.0 | 55 | 0.0 | 0.0 | 0.0 | 599 | 1.4 | 2.8 | 213 | 0.0 | 0.0 | 12 | 0.096 | 422 | 0.0 | 23 | -0.032 | 0.0 | 1.383 | 0.0 | 0.0 | 24 | 0.0 | 0.32 | 0.0 | 0.0 | 11 | 0.0 | 0.0 | -0.067 | 0.0 | 182 | 0.0 | 36 | 38 | 4.053 |
| Percentage of PaymentsToAcquireBusinessesNetOfCashAcquired | 0.0 | 100.0 | 0.0 | 0.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 0.0 | 100.0 | 100.0 | 100.0 | 0.0 | 100.0 | 100.0 | 0.0 | 100.0 | 0.0 | 0.0 | 100.0 | 0.0 | 100.0 | 0.0 | 0.0 | 100.0 | 0.0 | 0.0 | 100.0 | 0.0 | 100.0 | 0.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-02-16 |
| Value | 55 |
| Percentage of PaymentsToAcquireBusinessesNetOfCashAcquired | 0.0 |
| Period End | 2021-02-16 |
| Value | 55 |
| Percentage of PaymentsToAcquireBusinessesNetOfCashAcquired | 0.0 |
| Period End | 2021-07-01 |
| Value | 80 |
| Percentage of PaymentsToAcquireEquityMethodInvestments | 100.0 |
| Period End | 2021-06-30 |
| Value | 5.0 |
| Percentage of PaymentsToAcquireEquityMethodInvestments | 0.0 |
| Period End | 2020-10-01 |
| Value | 317 |
| Percentage of ProceedsFromDivestitureOfBusinesses | 100.0 |
| Period End | 2020-10-01 |
| Value | 317 |
| Percentage of ProceedsFromDivestitureOfBusinesses | 99.9 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-11-15 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 |
| Value | 236 | 187 | 120 | 1.0 | 29 | 64 | 33 | 150 | 33 | 18 | 140 | 223 | 123 | 27 | 38 | 0.024 | 300 | 0.0 | 2.176 | 0.0 | 0.0 | 0.0 | 3.82 | 0.0 | 56 | 12 | 0.0 | 80 | 0.0 | 4.601 | 3.283 | 41 | 73 | 51 | 48 | 54 | 18 | 0.0 | 0.0 |
| Percentage of ProceedsFromLinesOfCredit | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 100.0 | 0.0 | 0.0 | 0.0 | 100.0 | 0.0 | 100.0 | 100.0 | 0.0 | 100.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 0.0 |
| Period End | 2020-12-31 | 2020-09-30 | 2018-12-31 | 2018-09-30 | 2017-12-31 | 2017-09-30 |
| Value | 0 | 7100000.0 | 0 | 0 | 0 | 200000.0 |
| Percentage of ProceedsFromSaleOfPropertyPlantAndEquipment | 0.0 | 100.0 | 0.0 | 0.0 | 0.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 |
| Value | 1.0 | 5.6 | 6.8 | 1.6 | 0.6 | 2.0 | 0.0 | 0.2 | 0.9 | 8.3 | 5.4 | 3.6 | 0.6 | 1.2 | 0.943 | 0.196 | 0.829 | 0.032 | 0.328 | 0.009 | 0.005 | 0.012 | 0.0 | 0.017 | 0.047 | 0.422 | 0.057 | 0.082 | 0.108 | 0.516 | 0.05 | 0.823 | 0.549 | 3.913 | 0.195 | 1.481 | 0.118 | 1.725 | 1.926 | 0.216 | 2.647 | 2.238 | 1.019 |
| Percentage of ProceedsFromStockOptionsExercised | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 |
| Value | -300000.0 | -400000.0 | -300000.0 | -200000.0 | -400000.0 | -300000.0 | 500000.0 | -300000.0 | -300000.0 | -300000.0 | -300000.0 | -200000.0 | -100000.0 | 300000.0 | 196000.0 | 201000.0 | -200000.0 | 200000.0 | 251000.0 | 250000.0 |
| Percentage of ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 |
| Value | -300000.0 | -400000.0 | -300000.0 | -200000.0 | -400000.0 | -300000.0 | 500000.0 | -300000.0 | -300000.0 | -300000.0 | -2200000.0 | -200000.0 | -100000.0 | -300000.0 |
| Percentage of ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 733.3 | 100.0 | 100.0 | -100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 |
| Value | 90 | 102 | 56 | 45 | 36 | 84 | 66 | 92 | 264 | 27 | 193 | 68 | 28 | 26 | 61 | 0.0 | 1.47 | 3.627 | 0.0 | 2.245 | 0.76 | 3.056 | 0.0 | 66 | 0.743 | 0.0 | 83 | 0.0 | 0.0 | 3.252 | 74 | 39 | 65 | 31 | 77 | 0.0 | 0.0 | 0.0 |
| Percentage of RepaymentsOfLinesOfCredit | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 100.0 | 100.0 | 0.0 | 100.0 | 100.0 | 100.0 | 0.0 | 100.0 | 100.0 | 0.0 | 100.0 | 0.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 |
| Value | 335 | 2.8 | 2.8 | 2.8 | 2.8 | 0.0 | 0.0 | 0.0 | 2.9 |
| Percentage of RepaymentsOfSecuredDebt | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 0.0 | 0.0 | 100.0 |
| Period End | 2020-10-02 |
| Value | 335 |
| Percentage of RepaymentsOfSecuredDebt | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2012-09-30 | 2011-09-30 |
| Value | 0.3 | 0.7 | 0.9 | 1.9 | 5.6 | 5.2 | 2.3 | 1.5 | 4.4 | 7.4 | 0.9 | 2.0 | 0.6 | 0.9 | -1.217 | 2.749 | 5.042 | 4.626 | 5.045 | 0.202 | 1.989 | 3.692 | 0.359 | 1.068 |
| Percentage of RestructuringCharges | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 |
| Value | -0.1 | 0.5 | 1.6 | 0.6 | 0.0 | 0.0 | 0.0 | 0.2 | -0.1 | 1.8 | 0.1 | 0.5 | 1.5 | 1.4 | 1.7 | 1.5 |
| Percentage of RestructuringCharges | -11.1 | 26.3 | 28.6 | 11.5 | 0.0 | 0.0 | 0.0 | 2.7 | -11.1 | 90.0 | 16.7 | 55.6 | -123.3 | 50.9 | 33.7 | 32.4 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-06-30 | 2020-03-31 |
| Value | 0.0 | 0.3 | 1.1 | 1.8 |
| Percentage of RestructuringCharges | 0.0 | 42.9 | 19.6 | 34.6 |
| Period End | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 |
| Value | 0.1 | 0.9 | 1.0 | 0.4 | 0.3 | 5.4 | 2.4 | 0.8 | 0.1 | 0.3 | 0.2 | 0.9 | 0.5 |
| Percentage of RestructuringCharges | 5.3 | 16.1 | 19.2 | 17.4 | 20.0 | 122.7 | 32.4 | 88.9 | 5.0 | 50.0 | 22.2 | -74.0 | 18.2 |
| Period End | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 |
| Value | 0.2 | 0.2 | 0.8 | 0.1 | 0.4 | 0.1 | 0.3 | 0.0 | 0.0 | 0.0 | 0.0 | 0.2 | 0.2 |
| Percentage of RestructuringCharges | 10.5 | 3.6 | 15.4 | 4.3 | 26.7 | 2.3 | 4.1 | 0.0 | 0.0 | 0.0 | 0.0 | -16.4 | 7.3 |
| Period End | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 |
| Value | 0.0 | 0.4 | 0.4 | 0.1 | 0.2 | -1.2 | 3.4 | 0.2 | 0.0 |
| Percentage of RestructuringCharges | 0.0 | 7.1 | 7.7 | 4.3 | 13.3 | -27.3 | 45.9 | 22.2 | 0.0 |
| Period End | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 |
| Value | 1.1 | 2.5 | 2.4 | 1.7 | 0.6 | 0.1 | 1.1 | 0.0 | 0.1 |
| Percentage of RestructuringCharges | 57.9 | 44.6 | 46.2 | 73.9 | 40.0 | 2.3 | 14.9 | 0.0 | 5.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-06-30 | 2020-03-31 |
| Value | 0.3 | 0.4 | 2.9 | 2.8 |
| Percentage of RestructuringCharges | 100.0 | 57.1 | 51.8 | 53.8 |
| Period End | 2021-03-31 | 2020-12-31 |
| Value | 2.7 | 1.2 |
| Percentage of RestructuringCharges | 385.7 | 133.3 |
| Period End | 2021-06-30 |
| Value | 4.8 |
| Percentage of RestructuringCharges | 1600.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 |
| Value | 0.0 | 9.0 | 0.0 |
| Percentage of RestructuringCharges | 0.0 | 1285.7 | 0.0 |
| Period End | 2020-07-17 |
| Value | 9.0 |
| Percentage of RestructuringCharges | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-03-31 |
| Value | 0.0 | 0.3 | 0.1 | 1.3 | 3.5 | 5.2 | 1.5 | 0.9 | 0.4 | 1.5 | 0.4 | 1.9 | 0.2 | 0.6 | 1.102 | 0.972 | 1.186 | 1.34 | 4.117 | 0.202 | 1.989 | 3.692 | 0.244 |
| Percentage of SeveranceCosts1 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-03-31 |
| Value | 0.1 | 0.6 | 1.6 | 2.3 | 1.1 | 0.8 | 0.5 | 0.5 | -0.2 | 0.0 | 0.0 | 0.1 | 0.069 | 0.052 | 0.031 | 0.648 | 1.768 | 0.159 | 0.981 | 2.361 | 0.5 | 0.4 | 0.0 |
| Percentage of SeveranceCosts1 | 100.0 | 46.2 | 45.7 | 44.2 | 73.3 | 88.9 | 125.0 | 33.3 | -50.0 | 0.0 | 0.0 | 16.7 | 6.3 | 5.3 | 2.6 | 48.4 | 42.9 | 78.7 | 49.3 | 63.9 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-03-31 |
| Value | 0.0 | 0.3 | 0.0 | 0.7 | 1.9 | 2.9 | 0.4 | 0.1 | -0.1 | 1.0 | 0.6 | 1.9 | 0.2 | 0.5 | 1.033 | 0.92 | 1.155 | 0.692 | 2.349 | 0.043 | 1.008 | 1.331 | 2.8 | 0.173 |
| Percentage of SeveranceCosts1 | 0.0 | 100.0 | 0.0 | 53.8 | 54.3 | 55.8 | 26.7 | 11.1 | -25.0 | 66.7 | 150.0 | 100.0 | 100.0 | 83.3 | 93.7 | 94.7 | 97.4 | 51.6 | 57.1 | 21.3 | 50.7 | 36.1 | 0.0 | 70.9 |
| Period End | 2021-06-30 | 2021-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 |
| Value | 0 | 10000.0 | -2000.0 | 0 | 0 | 22000.0 | 7000.0 |
| Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod | 0.0 | 100.0 | 100.0 | 0.0 | 0.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 |
| Value | 10000.0 | 70000.0 | 10000.0 | 0 | 90000.0 | 1000.0 | 8000.0 | 3000.0 | 118000.0 | -11000.0 | 0 | 4000.0 | 71000.0 | -28000.0 | 2000.0 | 1000.0 | 34000.0 | 1000.0 | 0 | 2000.0 | 40000.0 |
| Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod | 0.0 | 700.0 | 0.0 | 0.0 | 0.0 | -50.0 | 0.0 | 0.0 | 536.4 | -157.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 |
| Value | 10000.0 | 70000.0 | 10000.0 | 0 | 90000.0 |
| Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod | 0.0 | 700.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 |
| Value | 0 | 60000.0 | 0 |
| Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross | 0.0 | 100.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 |
| Value | 2.1 | 0.3 | 1.5 | 6.246 | 6.322 | 8.965 | 3.722 | -3.562 | -1.973 | -14.159 | 1.949 | -2.141 | -1.982 |
| Percentage of StandardProductWarrantyAccrualPayments | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2018-12-31 | 2018-09-30 | 2013-03-31 | 2012-03-31 |
| Value | 1.8 | 0.9 | 1.5 | 1.8 | -0.2 | 4.019 | 0.989 |
| Percentage of StandardProductWarrantyAccrualWarrantiesIssued | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 |
| Value | 20000.0 | 100000.0 | 140000.0 | 50000.0 | 30000.0 | 90000.0 | -30000.0 | 10000.0 | 30000.0 | 250000.0 |
| Percentage of StockIssuedDuringPeriodSharesStockOptionsExercised | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 |
| Value | 30000.0 | 180000.0 | 60000.0 | 40000.0 | 160000.0 | 20000.0 | 40000.0 | 410000.0 | 210000.0 | 30000.0 | 200000.0 |
| Percentage of StockIssuedDuringPeriodSharesStockOptionsExercised | 150.0 | 180.0 | 120.0 | 133.3 | 177.8 | 200.0 | 133.3 | 164.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 |
| Value | 0.9 | 5.6 | 1.6 | 0.6 | 2.0 | 0.2 | 0.9 | 8.3 | 3.7 | 0.4 | 1.3 |
| Percentage of StockIssuedDuringPeriodValueStockOptionsExercised | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 |
| Value | 0.9 | 5.6 | 1.6 | 0.6 | 2.0 | 0.2 | 0.9 | 8.3 | 3.7 | 0.4 | 1.3 |
| Percentage of StockIssuedDuringPeriodValueStockOptionsExercised | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 | 2010-06-30 | 2010-03-31 |
| Value | 2.4 | 3.4 | 2.1 | 1.9 | 2.0 | 2.9 | 2.6 | 2.1 | 1.9 | 2.4 | 1.4 | 0.1 | 0.2 | 3.2 | 1.545 | 1.569 | 1.712 | 6.274 | 1.665 | 1.826 | 1.651 | 5.537 | 2.122 | 1.417 | 2.034 | 5.752 | 1.807 | 1.73 | 1.926 | 3.957 | 3.207 | 1.707 | 2.511 | 2.564 | 1.75 | 1.53 | 1.676 | 2.505 | 1.225 | 1.407 | 1.4 | 1.401 | 1.372 | 1.3 | 1.362 | 0.899 |
| Percentage of StockOptionPlanExpense | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-03-31 | 2020-03-31 | 2019-06-30 | 2019-03-31 | 2018-09-30 | 2018-03-31 |
| Value | 20000.0 | 10000.0 | 20000.0 | 40000.0 | 10000.0 | 40000.0 |
| Percentage of StockRepurchasedAndRetiredDuringPeriodShares | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-03-31 | 2020-03-31 | 2019-06-30 | 2019-03-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 |
| Value | 3.0 | 1.7 | 0.0 | 2.7 | 0.1 | 0.1 | 2.2 |
| Percentage of StockRepurchasedAndRetiredDuringPeriodValue | 100.0 | 100.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-03-31 | 2020-03-31 | 2019-06-30 | 2019-03-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 |
| Value | 3.0 | 1.7 | 0.0 | 2.7 | 0.1 | 0.1 | 2.2 |
| Percentage of StockRepurchasedAndRetiredDuringPeriodValue | 100.0 | 100.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2019-09-30 | 2019-06-30 | 2018-09-30 | 2018-06-30 | 2018-03-31 |
| Value | -100000.0 | 200000.0 | -300000.0 | 100000.0 | 200000.0 | -100000.0 |
| Percentage of StockholdersEquityOther | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-03-31 |
| Value | -100000.0 |
| Percentage of StockholdersEquityOther | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2019-09-30 | 2019-06-30 | 2018-09-30 | 2018-06-30 | 2018-03-31 |
| Value | -100000.0 | 100000.0 | 200000.0 | -300000.0 | 100000.0 | 200000.0 | -100000.0 |
| Percentage of StockholdersEquityOther | 100.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-07-20 |
| Value | 35 |
| Percentage of EntityCommonStockSharesOutstanding | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2018-03-31 |
| Value | 97.0 | 97.0 | 97.0 | 97.0 | 0.97 |
| Percentage of ApplicableConversionPricePercentage | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2018-03-31 |
| Value | 130.0 | 130.0 | 130.0 | 130.0 | 1.3 |
| Percentage of ApplicableConversionPriceThresholdPercentage | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-09-30 |
| Value | 386 | 368 | 50 |
| Percentage of DebtConversionIfConvertedValueOfSecurityAbovePrincipalAmountOfUnderlyingDebtAmount | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 |
| Value | 260 |
| Percentage of DebtConversionIfConvertedValueofSecurityAbovePrincipalAmountofUnderlyingDebtAmount | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 |
| Value | 255.0 | 242.0 | 210.0 | 139.0 | 1.05 | 0.78 | 1.32 | 1.24 | 1.43 | 1.63 | 1.24 | 1.4 | 1.22 | 1.17 | 1.05 |
| Percentage of DebtInstrumentFairValue.PercentageoverParValue | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 |
| Value | 700000.0 | 700000.0 | 400000.0 |
| Percentage of DeferredTaxAssetConvertibleNotes | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2019-12-31 |
| Value | 8100000.0 | 8500000.0 |
| Percentage of DeferredTaxAssetOperatingLeases | 100.0 | 100.0 |
| Period End | 2020-09-30 | 2019-12-31 |
| Value | 300000.0 | 100000.0 |
| Percentage of DisposalGroupIncludingDiscontinuedOperationCustomerAdvancesAndBillingsInExcessOfContractRevenueCurrent | 100.0 | 100.0 |
| Period End | 2020-10-01 |
| Value | 320 |
| Percentage of DisposalGroupIncludingDiscontinuedOperationNetAssets | 100.0 |
| Period End | 2020-10-01 |
| Value | 320 |
| Percentage of DisposalGroupIncludingDiscontinuedOperationNetAssets | 100.0 |
| Period End | 2020-09-30 | 2019-12-31 |
| Value | 200000.0 | 100000.0 |
| Percentage of DisposalGroupIncludingDiscontinuedOperationWarrantReserveCurrent | 100.0 | 100.0 |
| Period End | 2021-06-30 |
| Value | 139.0 |
| Percentage of LossContingencyNumberOfLawsuits | 100.0 |
| Period End | 2021-06-10 |
| Value | 90.0 |
| Percentage of LossContingencyPercentageOfDamagesAllocatedToEntity | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-09-30 |
| Value | 3600000.0 | 3500000.0 | 8500000.0 |
| Percentage of OperatingLeaseLiabilityToBePaidAfterYearFour | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 |
| Value | 1300000.0 | 600000.0 | 700000.0 |
| Percentage of StockGrantsFairValue | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 | 2014-12-31 | 2013-12-31 | 2012-12-31 | 2011-12-31 | 2010-12-31 |
| Value | 200000.0 | 300000.0 | 300000.0 | 300000.0 | 400000.0 | 400000.0 | 600000.0 | 1300000.0 | 2100000.0 | 3003000.0 | 3226000.0 | 3587000.0 | 3871000.0 | 4586000.0 | 4645000.0 | 6355000.0 |
| Percentage of AccrualForEnvironmentalLossContingencies | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2010-12-31 |
| Value | 31 | 27 | 39 | 32 | 33 | 28 | 41 | 41 | 35 | 31 | 46 | 34 | 38 | 33 | 49 | 45 | 33 | 27 | 41 | 35 | 32 | 25 | 33 | 30 | 29 | 31 | 35 | 35 | 32 | 33 | 39 | 37 | 30 | 26 | 30 | 22 | 21 | 29 | 20 |
| Percentage of AccruedSalariesCurrent | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2011-12-31 | 2010-12-31 |
| Value | 7.5 | 7.9 | 8.4 | 8.5 | 8.2 | 8.2 | 8.8 | 13 | 10 | 9.9 | 8.5 | 9.6 | 9.9 | 10 | 10 | 10 | 9.667 | 9.868 | 10 | 7.89 | 8.227 | 6.747 | 6.965 | 5.836 | 6.392 | 7.211 | 6.475 | 5.954 | 6.119 | 5.045 | 5.654 | 5.364 | 4.678 | 4.468 | 4.08 | 4.402 | 2.36 | 3.008 |
| Percentage of AllowanceForDoubtfulAccountsReceivableCurrent | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-07-17 |
| Value | 260.0 |
| Percentage of AreaOfLand | 100.0 |
| Period End | 2020-07-17 |
| Value | 260.0 |
| Percentage of AreaOfLand | 100.0 |
| Period End | 2020-09-30 | 2019-12-31 |
| Value | 69 | 68 |
| Percentage of AssetsOfDisposalGroupIncludingDiscontinuedOperation | 100.0 | 100.0 |
| Period End | 2020-09-30 | 2019-12-31 |
| Value | 69 | 68 |
| Percentage of AssetsOfDisposalGroupIncludingDiscontinuedOperation | 100.0 | 100.0 |
| Period End | 2020-09-30 | 2019-12-31 | 2018-09-30 | 2017-12-31 |
| Value | 69 | 21 | 86 | 66 |
| Percentage of AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-02-16 |
| Value | 100.0 |
| Percentage of BusinessAcquisitionPercentageOfVotingInterestsAcquired | 100.0 |
| Period End | 2021-02-16 |
| Value | 100.0 |
| Percentage of BusinessAcquisitionPercentageOfVotingInterestsAcquired | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2013-12-31 | 2012-12-31 | 2011-12-31 |
| Value | 22 | 20 | 20 | 0.3 | 1.923 | 1.761 | 1.886 | 0.0 | 0.611 | 1.074 | 1.735 | 2.289 | 1.99 | 7.067 |
| Percentage of BusinessCombinationContingentConsiderationLiability | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-11-03 |
| Value | 3.2 | 3.3 | 3.2 | 3.2 |
| Percentage of BusinessCombinationContingentConsiderationLiability | 14.5 | 15.8 | 15.9 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-12-23 |
| Value | 18 | 17 | 16 | 16 |
| Percentage of BusinessCombinationContingentConsiderationLiability | 85.5 | 84.2 | 84.1 | 0.0 |
| Period End | 2020-12-31 | 2020-06-30 | 2019-12-31 |
| Value | 39 | 55 | 55 |
| Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIndefiniteLivedIntangibleAssets | 100.0 | 100.0 | 100.0 |
| Period End | 2020-11-03 |
| Value | 6.8 |
| Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill | 100.0 |
| Period End | 2021-06-30 | 2021-02-16 |
| Value | 19 | 1.8 |
| Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill | 0.0 | 0.0 |
| Period End | 2020-12-23 |
| Value | 17 |
| Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill | 0.0 |
| Period End | 2020-11-03 |
| Value | 8.8 |
| Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet | 100.0 |
| Period End | 2021-02-16 |
| Value | 2.9 |
| Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet | 0.0 |
| Period End | 2020-12-23 |
| Value | 13 |
| Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2017-12-31 |
| Value | 68 | 74 | 79 | 97 | 85 | 88 | 86 | 81 | 70 | 68 | 54 | 36 |
| Percentage of ContractWithCustomerAssetNetCurrent | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 |
| Value | 1000000.0 | 200000.0 | 1900000.0 | 500000.0 | 700000.0 | 800000.0 | 1000000.0 | 600000.0 | 1300000.0 | 1400000.0 |
| Percentage of ContractWithCustomerLiabilityNoncurrent | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2016-12-31 |
| Value | 255 | 255 | 220 | 218 | 216 | 214 | 212 | 210 | 208 | 205 | 203 | 202 | 199 | 197 | 196 | 0.0 |
| Percentage of ConvertibleDebt | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 |
| Value | 255 | 255 | 220 |
| Percentage of ConvertibleNotesPayableCurrent | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 |
| Value | 254 |
| Percentage of ConvertibleNotesPayableCurrent | 115.4 |
| Period End | 2020-12-31 |
| Value | 34 |
| Percentage of ConvertibleNotesPayableCurrent | 15.4 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 |
| Value | 86 | 71 | 71 |
| Percentage of DebtInstrumentCarryingAmount | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2019-12-31 |
| Value | 351 | 204 | 123 | 54 | 119 |
| Percentage of DebtInstrumentCarryingAmount | 406.7 | 286.3 | 172.7 | 0.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2019-12-31 |
| Value | 103 | 103 | 103 | 438 | 447 |
| Percentage of DebtInstrumentCarryingAmount | 119.2 | 144.2 | 144.2 | 0.0 | 0.0 |
| Period End | 2021-03-31 | 2020-12-31 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2017-11-06 | 2017-10-31 |
| Value | 58.725 | 58.725 | 58.725 | 58.725 | 58.725 | 58.725 | 58.73 | 58.725 | 58.725 |
| Percentage of DebtInstrumentConvertibleConversionPrice1 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2016-12-31 |
| Value | 34 | 36 | 38 | 40 | 42 | 44 | 46 | 48 | 50 | 52 | 54 | 55 | 57 | 0.0 |
| Percentage of DebtInstrumentUnamortizedDiscount | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2015-12-31 | 2014-12-31 | 2013-12-31 | 2012-12-31 | 2011-12-31 | 2010-12-31 |
| Value | 706 | 558 | 442 | 706 | 748 | 754 | 777 | 808 | 309 | 532 | 544 | 510 | 510 | 512 | 498 | 548 | 245 | 243 | 241 | 221 | 209 | 265 | 255 | 234 | 224 |
| Percentage of DebtLongtermAndShorttermCombinedAmount | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2018-12-31 |
| Value | 1.3 | 0.014 | 0.013 | 0.024 | 0.033 | 0.048 |
| Percentage of DebtWeightedAverageInterestRate | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 |
| Value | 1.9 | 1.8 | 2.1 | 2.1 |
| Percentage of DebtWeightedAverageInterestRate | 0.0 | 0.0 | 161.5 | 0.0 |
| Period End | 2020-12-31 |
| Value | 400000.0 |
| Percentage of DecreaseInUnrecognizedTaxBenefitsIsReasonablyPossible | 100.0 |
| Period End | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2019-12-31 |
| Value | 6100000.0 | 6100000.0 | 7000000.0 | 6100000.0 | 6100000.0 |
| Percentage of DeferredFinanceCostsGross | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 |
| Value | 102 | 89 | 105 |
| Percentage of DeferredIncomeTaxLiabilities | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 | 2014-12-31 | 2013-12-31 | 2012-12-31 | 2011-12-31 | 2010-12-31 |
| Value | 77 | 105 | 99 | 55 | 56 | 53 | 48 | 41 | 49 | 30 | 38 |
| Percentage of DeferredTaxAssetsGross | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 | 2014-12-31 | 2013-12-31 | 2012-12-31 | 2011-12-31 | 2010-12-31 |
| Value | 3500000.0 | 2300000.0 | 2200000.0 | 4300000.0 | 6835000.0 | 6768000.0 | 5176000.0 | 4350000.0 | 2775000.0 | 1630000.0 | 1363000.0 |
| Percentage of DeferredTaxAssetsInventory | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
