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| 2024-03-31 | 2023-12-31 | 2023-09-30 | 2023-06-30 | 2023-03-31 | 2022-12-31 | 2022-09-30 | 2022-06-30 | 2022-03-31 | 2021-12-31 | 2021-09-30 | 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 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Common Stock Value | 17971.00 | 17781.00 | 16165.00 | 16029.00 | 15904.00 | 15752.00 | 16106.00 | 16018.00 | 15879.00 | 15746.00 | 16104.00 | 16006.00 | 15884.00 | 15688.00 | 15997.00 | 15812.00 | 15636.00 | 15637.00 | 15795.00 | 15639.00 | 15476.00 | 15258.00 | 15254.00 | 15086.00 | 14888.00 | 14656.00 | 14783.00 | 14617.00 | 14415.00 | |
| Weighted Average Number Of Shares Outstanding Basic | 3998.00 | NA | 4025.00 | 4066.00 | 4102.00 | NA | 4185.00 | 4233.00 | 4266.00 | NA | 4276.00 | 4276.00 | 4272.00 | NA | 4271.00 | 4271.00 | 4270.00 | NA | 4271.00 | 4271.00 | 4270.00 | NA | 4271.00 | 4271.00 | 4270.00 | NA | 4271.00 | 4271.00 | 4223.00 | |
| Earnings Per Share Basic | 2.06 | 1.91 | 2.25 | 1.94 | 2.79 | 3.09 | 4.68 | 4.21 | 1.28 | 2.08 | 1.57 | 1.10 | 0.64 | -4.70 | -0.15 | -0.26 | -0.14 | 1.33 | 0.75 | 0.73 | 0.55 | 1.41 | 1.46 | 0.92 | 1.09 | 1.97 | 0.93 | 0.78 | 0.95 | |
| Earnings Per Share Diluted | 2.06 | 1.91 | 2.25 | 1.94 | 2.79 | 3.09 | 4.68 | 4.21 | 1.28 | 2.08 | 1.57 | 1.10 | 0.64 | -4.70 | -0.15 | -0.26 | -0.14 | 1.33 | 0.75 | 0.73 | 0.55 | 1.41 | 1.46 | 0.92 | 1.09 | 1.97 | 0.93 | 0.78 | 0.95 |
| 2024-03-31 | 2023-12-31 | 2023-09-30 | 2023-06-30 | 2023-03-31 | 2022-12-31 | 2022-09-30 | 2022-06-30 | 2022-03-31 | 2021-12-31 | 2021-09-30 | 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 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Revenue From Contract With Customer Excluding Assessed Tax | 83083.00 | 84344.00 | 90760.00 | 80795.00 | 83644.00 | 108169.00 | 106512.00 | 111265.00 | 87734.00 | 81305.00 | 71892.00 | 65943.00 | 57552.00 | 45738.00 | 45425.00 | 32277.00 | 55134.00 | 63024.00 | 63422.00 | 67491.00 | 61646.00 | 68253.00 | 74187.00 | 71456.00 | 65436.00 | 65312.00 | 59350.00 | 56026.00 | 56474.00 | |
| Revenues | 83083.00 | 84344.00 | 90760.00 | 82914.00 | 86564.00 | 95429.00 | 112070.00 | 115681.00 | 90500.00 | 84965.00 | 73786.00 | 67742.00 | 59147.00 | 46540.00 | 46199.00 | 32605.00 | 56158.00 | 67173.00 | 65049.00 | 67491.00 | 61646.00 | 68253.00 | 74187.00 | 71456.00 | 65436.00 | 65312.00 | 59350.00 | 56026.00 | 56474.00 | |
| Costs And Expenses | 70714.00 | 73719.00 | 77061.00 | 71258.00 | 69761.00 | 76587.00 | 86648.00 | 90748.00 | 81944.00 | 73236.00 | 64180.00 | 61435.00 | 55555.00 | 73153.00 | 46571.00 | 34245.00 | 56416.00 | 60759.00 | 60328.00 | 64459.00 | 59336.00 | 63774.00 | 67525.00 | 66989.00 | 60971.00 | 49018.00 | 60582.00 | 58720.00 | 57369.00 | |
| Selling General And Administrative Expense | 2495.00 | 2591.00 | 2489.00 | 2449.00 | 2390.00 | 2832.00 | 2324.00 | 2530.00 | 2409.00 | 2514.00 | 2287.00 | 2345.00 | 2428.00 | 2736.00 | 2444.00 | 2409.00 | 2579.00 | 3048.00 | 2753.00 | 2827.00 | 2770.00 | 2848.00 | 2892.00 | 2993.00 | 2747.00 | 3004.00 | 2725.00 | 2628.00 | 2599.00 | |
| Interest Expense | 221.00 | 272.00 | 169.00 | 249.00 | 159.00 | 207.00 | 209.00 | 194.00 | 188.00 | 221.00 | 214.00 | 254.00 | 258.00 | 313.00 | 279.00 | 317.00 | 249.00 | 201.00 | 232.00 | 216.00 | 181.00 | 215.00 | 200.00 | 147.00 | 204.00 | 186.00 | 111.00 | 158.00 | 146.00 | |
| Interest Paid Net | 301.00 | 6.00 | 283.00 | 39.00 | 256.00 | 6.00 | 308.00 | 33.00 | 319.00 | 1.00 | 352.00 | 61.00 | 405.00 | 60.00 | 436.00 | -23.00 | 313.00 | 45.00 | 238.00 | 30.00 | 247.00 | -34.00 | 193.00 | -62.00 | 206.00 | NA | NA | NA | NA | |
| Income Tax Expense Benefit | 3803.00 | 2613.00 | 4353.00 | 3503.00 | 4960.00 | 5787.00 | 5224.00 | 6359.00 | 2806.00 | 2650.00 | 2664.00 | 1526.00 | 796.00 | -6010.00 | 337.00 | -471.00 | 512.00 | 684.00 | 1474.00 | 1241.00 | 1883.00 | 1915.00 | 2634.00 | 2526.00 | 2457.00 | -5392.00 | 1498.00 | 892.00 | 1828.00 | |
| Income Taxes Paid Net | 2718.00 | 3846.00 | 2786.00 | 4437.00 | 4404.00 | 5192.00 | 4627.00 | 3747.00 | 1798.00 | 1825.00 | 1437.00 | 1224.00 | 855.00 | 87.00 | 573.00 | 396.00 | 1372.00 | 1759.00 | 1375.00 | 2091.00 | 1793.00 | 2554.00 | 2314.00 | 2309.00 | 2117.00 | 2899.00 | 1364.00 | 1277.00 | 1970.00 | |
| Profit Loss | 8566.00 | 8012.00 | 9346.00 | 8153.00 | 11843.00 | 13055.00 | 20198.00 | 18574.00 | 5750.00 | 9079.00 | 6942.00 | 4781.00 | 2796.00 | -20603.00 | -709.00 | -1169.00 | -770.00 | 5730.00 | 3247.00 | 3391.00 | 2406.00 | 6206.00 | 6446.00 | 3986.00 | 4783.00 | 8409.00 | 4085.00 | 3264.00 | 4090.00 | |
| Other Comprehensive Income Loss Net Of Tax | -1300.00 | 1173.00 | -367.00 | 538.00 | 198.00 | 4782.00 | -3125.00 | -2280.00 | 939.00 | 3128.00 | -1245.00 | 591.00 | 695.00 | 3723.00 | 1549.00 | 2942.00 | -5358.00 | -255.00 | -1135.00 | 707.00 | 908.00 | -1431.00 | 344.00 | -1750.00 | -833.00 | 353.00 | 2508.00 | 2032.00 | 1639.00 | |
| Net Income Loss | 8220.00 | 7630.00 | 9070.00 | 7880.00 | 11430.00 | 12750.00 | 19660.00 | 17850.00 | 5480.00 | 8870.00 | 6750.00 | 4690.00 | 2730.00 | -20070.00 | -680.00 | -1080.00 | -610.00 | 5690.00 | 3170.00 | 3130.00 | 2350.00 | 6000.00 | 6240.00 | 3950.00 | 4650.00 | 8380.00 | 3970.00 | 3350.00 | 4010.00 | |
| Comprehensive Income Net Of Tax | 7040.00 | 8729.00 | 8639.00 | 8318.00 | 11605.00 | 17283.00 | 16874.00 | 15747.00 | 6330.00 | 11802.00 | 5640.00 | 5194.00 | 3345.00 | -16586.00 | 748.00 | 1642.00 | -5456.00 | 5474.00 | 2098.00 | 3707.00 | 3132.00 | 4806.00 | 6479.00 | 2333.00 | 3959.00 | 8769.00 | 6221.00 | 5127.00 | 5570.00 |
| 2024-03-31 | 2023-12-31 | 2023-09-30 | 2023-06-30 | 2023-03-31 | 2022-12-31 | 2022-09-30 | 2022-06-30 | 2022-03-31 | 2021-12-31 | 2021-09-30 | 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 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Assets | 377918.00 | 376317.00 | 372259.00 | 363248.00 | 369371.00 | 369067.00 | 370152.00 | 367774.00 | 354771.00 | 338923.00 | 336688.00 | 337289.00 | 333770.00 | 332750.00 | 358043.00 | 361495.00 | 355804.00 | 362597.00 | 359361.00 | 360729.00 | 356189.00 | 346196.00 | 354628.00 | 348790.00 | 348826.00 | 348691.00 | 349427.00 | 343012.00 | 344209.00 | |
| Liabilities | 164866.00 | 163779.00 | 164726.00 | 156251.00 | 162957.00 | 166594.00 | 177109.00 | 183266.00 | 178245.00 | 163240.00 | 169182.00 | 171733.00 | 169669.00 | 168620.00 | 173431.00 | 174342.00 | 167061.00 | 163659.00 | 162252.00 | 162264.00 | 158168.00 | 147668.00 | 157797.00 | 155257.00 | 153915.00 | 154191.00 | 160229.00 | 157174.00 | 160438.00 | |
| Liabilities And Stockholders Equity | 377918.00 | 376317.00 | 372259.00 | 363248.00 | 369371.00 | 369067.00 | 370152.00 | 367774.00 | 354771.00 | 338923.00 | 336688.00 | 337289.00 | 333770.00 | 332750.00 | 358043.00 | 361495.00 | 355804.00 | 362597.00 | 359361.00 | 360729.00 | 356189.00 | 346196.00 | 354628.00 | 348790.00 | 348826.00 | 348691.00 | 349427.00 | 343012.00 | 344209.00 | |
| Stockholders Equity | 205250.00 | 204802.00 | 199703.00 | 199046.00 | 198685.00 | 195049.00 | 186100.00 | 177316.00 | 169215.00 | 168577.00 | 160589.00 | 158571.00 | 156974.00 | 157150.00 | 177400.00 | 180183.00 | 182079.00 | 191650.00 | 189915.00 | 191377.00 | 191222.00 | 191794.00 | 190365.00 | 187222.00 | 188195.00 | 187688.00 | 182276.00 | 179178.00 | 177151.00 |
| 2024-03-31 | 2023-12-31 | 2023-09-30 | 2023-06-30 | 2023-03-31 | 2022-12-31 | 2022-09-30 | 2022-06-30 | 2022-03-31 | 2021-12-31 | 2021-09-30 | 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 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Assets Current | 99377.00 | 96609.00 | 101142.00 | 91760.00 | 97224.00 | 97631.00 | 99289.00 | 93163.00 | 77255.00 | 59154.00 | 55555.00 | 52842.00 | 48195.00 | 44893.00 | 48693.00 | 53016.00 | 50249.00 | 50052.00 | 50008.00 | 51743.00 | 51576.00 | 47973.00 | 53975.00 | 50555.00 | 48315.00 | 47134.00 | 45752.00 | 42180.00 | 43131.00 | |
| Cash And Cash Equivalents At Carrying Value | 33320.00 | 31539.00 | 32944.00 | 29528.00 | 32651.00 | 29640.00 | 30407.00 | 18861.00 | 11074.00 | 6802.00 | 4768.00 | 3465.00 | 3515.00 | 4364.00 | 8832.00 | 12576.00 | 11412.00 | 3089.00 | 5351.00 | 4213.00 | 4586.00 | 3042.00 | 5669.00 | 3430.00 | 4125.00 | 3177.00 | 4266.00 | 4042.00 | 4897.00 | |
| Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents | 33349.00 | 31568.00 | 32973.00 | 29557.00 | 32676.00 | 29665.00 | 30464.00 | 18861.00 | 11074.00 | 6802.00 | 4768.00 | 3465.00 | 3515.00 | 4364.00 | 8832.00 | 12576.00 | 11412.00 | 3089.00 | 5351.00 | 4213.00 | 4586.00 | 3042.00 | 5669.00 | NA | NA | 3177.00 | NA | NA | NA | |
| Accounts Receivable Net Current | NA | 30296.00 | NA | NA | NA | 32844.00 | NA | NA | NA | 26883.00 | NA | NA | NA | 16339.00 | NA | NA | NA | 21100.00 | NA | NA | NA | 19638.00 | NA | NA | NA | 21274.00 | NA | NA | NA | |
| Receivables Net Current | 40366.00 | 38015.00 | 41814.00 | 35915.00 | 38808.00 | 41749.00 | 42411.00 | 48063.00 | 42142.00 | 32383.00 | 29516.00 | 28540.00 | 24755.00 | 20581.00 | 19974.00 | 19036.00 | 20871.00 | 26966.00 | 25308.00 | 27132.00 | 27105.00 | 24701.00 | 27880.00 | 26993.00 | 24686.00 | 25597.00 | 23263.00 | 21289.00 | 21842.00 | |
| Other Assets Current | 2171.00 | 1906.00 | 1905.00 | 2039.00 | 2098.00 | 1782.00 | 2318.00 | 2654.00 | 1862.00 | 1189.00 | 1664.00 | 1562.00 | 1568.00 | 1098.00 | 2002.00 | 1747.00 | 1465.00 | 1469.00 | 1759.00 | 1563.00 | 1553.00 | 1272.00 | 1665.00 | 1649.00 | 1456.00 | 1368.00 | 1480.00 | 1544.00 | 1519.00 |
| 2024-03-31 | 2023-12-31 | 2023-09-30 | 2023-06-30 | 2023-03-31 | 2022-12-31 | 2022-09-30 | 2022-06-30 | 2022-03-31 | 2021-12-31 | 2021-09-30 | 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 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Property Plant And Equipment Gross | NA | 487385.00 | NA | NA | NA | 472693.00 | NA | NA | NA | 495062.00 | NA | NA | NA | 505322.00 | NA | NA | NA | 486702.00 | NA | NA | NA | 477190.00 | NA | NA | NA | 477185.00 | NA | NA | NA | |
| Accumulated Depreciation Depletion And Amortization Property Plant And Equipment | NA | 272445.00 | NA | NA | NA | 268001.00 | NA | NA | NA | 278510.00 | NA | NA | NA | 277769.00 | NA | NA | NA | 233684.00 | NA | NA | NA | 230089.00 | NA | NA | NA | 224555.00 | NA | NA | NA | |
| Property Plant And Equipment Net | 213723.00 | 214940.00 | 205862.00 | 206736.00 | 206023.00 | 204692.00 | 203102.00 | 209159.00 | 212773.00 | 216552.00 | 218795.00 | 223012.00 | 224641.00 | 227553.00 | 250496.00 | 250524.00 | 248409.00 | 253018.00 | 250512.00 | 250853.00 | 248563.00 | 247101.00 | 249153.00 | 248209.00 | 250352.00 | 252630.00 | 255556.00 | 252987.00 | 253147.00 | |
| Long Term Investments | NA | 177.00 | NA | NA | NA | 278.00 | NA | NA | NA | 138.00 | NA | NA | NA | 143.00 | NA | NA | NA | 190.00 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| Investments In Affiliates Subsidiaries Associates And Joint Ventures | NA | 41607.00 | NA | NA | NA | 42571.00 | NA | NA | NA | 39551.00 | NA | NA | NA | 38584.00 | NA | NA | NA | 37833.00 | NA | NA | NA | 34990.00 | NA | NA | NA | NA | NA | NA | NA | |
| Other Assets Noncurrent | 17210.00 | 17138.00 | 17189.00 | 17479.00 | 17080.00 | 16951.00 | 17526.00 | 18632.00 | 18414.00 | 18022.00 | 16697.00 | 16661.00 | 16753.00 | 16789.00 | 15245.00 | 14763.00 | 14165.00 | 16363.00 | 15921.00 | 15600.00 | 13982.00 | 10332.00 | 11073.00 | 10335.00 | 9809.00 | 9767.00 | 10470.00 | 10126.00 | 9663.00 |
| 2024-03-31 | 2023-12-31 | 2023-09-30 | 2023-06-30 | 2023-03-31 | 2022-12-31 | 2022-09-30 | 2022-06-30 | 2022-03-31 | 2021-12-31 | 2021-09-30 | 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 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Liabilities Current | 71921.00 | 65316.00 | 71186.00 | 61815.00 | 66666.00 | 69045.00 | 74057.00 | 80110.00 | 72059.00 | 56643.00 | 61856.00 | 62238.00 | 60150.00 | 56363.00 | 56468.00 | 57270.00 | 64773.00 | 63989.00 | 64195.00 | 70287.00 | 66632.00 | 57138.00 | 65288.00 | 62447.00 | 60306.00 | 57771.00 | 53777.00 | 50949.00 | 53374.00 | |
| Debt Current | 8227.00 | 4090.00 | 4743.00 | 3929.00 | 2296.00 | 634.00 | 6182.00 | 7367.00 | 4886.00 | 4276.00 | 12966.00 | 15293.00 | 18185.00 | 20458.00 | 21911.00 | 22952.00 | 27755.00 | 20578.00 | 21196.00 | 26195.00 | 21794.00 | 17258.00 | 19413.00 | 20500.00 | 19836.00 | 17930.00 | 15741.00 | 17185.00 | 18483.00 | |
| Long Term Debt Current | NA | 4009.00 | NA | NA | NA | 181.00 | NA | NA | NA | 2392.00 | NA | NA | NA | 2930.00 | NA | NA | NA | NA | NA | NA | NA | 4070.00 | NA | NA | NA | 4766.00 | NA | NA | NA | |
| Accounts Payable And Accrued Liabilities Current | 59531.00 | 58037.00 | 62257.00 | 54404.00 | 59935.00 | 63197.00 | 62550.00 | 67958.00 | 63501.00 | 50766.00 | 47257.00 | 45780.00 | 41017.00 | 35221.00 | 33340.00 | 33216.00 | 35815.00 | 41831.00 | 40541.00 | 41480.00 | 42090.00 | 37268.00 | 41714.00 | 38490.00 | 37207.00 | 36796.00 | 34698.00 | 31100.00 | 32069.00 | |
| Accrued Income Taxes Current | 4163.00 | 3189.00 | 4186.00 | 3482.00 | 4435.00 | 5214.00 | 5325.00 | 4785.00 | 3672.00 | 1601.00 | 1633.00 | 1165.00 | 948.00 | 684.00 | 1217.00 | 1102.00 | 1203.00 | 1580.00 | 2458.00 | 2612.00 | 2748.00 | 2612.00 | 4161.00 | 3457.00 | 3263.00 | 3045.00 | 3338.00 | 2664.00 | 2822.00 |
| 2024-03-31 | 2023-12-31 | 2023-09-30 | 2023-06-30 | 2023-03-31 | 2022-12-31 | 2022-09-30 | 2022-06-30 | 2022-03-31 | 2021-12-31 | 2021-09-30 | 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 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Long Term Debt And Capital Lease Obligations | 32213.00 | 37483.00 | 36510.00 | 37567.00 | 39150.00 | 40559.00 | 39246.00 | 39516.00 | 42651.00 | 43428.00 | 43639.00 | 45319.00 | 45137.00 | 47182.00 | 46888.00 | 46563.00 | 31857.00 | 26342.00 | 25950.00 | 19001.00 | 19031.00 | 20538.00 | 20624.00 | 20720.00 | 20781.00 | 24406.00 | 24869.00 | 24750.00 | 25124.00 | |
| Deferred Income Tax Liabilities Net | 24106.00 | 24452.00 | 23912.00 | 23460.00 | 23195.00 | 22874.00 | 21274.00 | 20807.00 | 19533.00 | 20165.00 | 19008.00 | 18511.00 | 18113.00 | 18165.00 | 24467.00 | 24725.00 | 24863.00 | 25620.00 | NA | NA | NA | 24035.00 | NA | NA | NA | 23575.00 | NA | NA | NA | |
| Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent | 10475.00 | 10496.00 | 10174.00 | 10278.00 | 10183.00 | 10045.00 | 16799.00 | 17408.00 | 18255.00 | 18430.00 | 21060.00 | 22082.00 | 21835.00 | 22415.00 | 22097.00 | 22341.00 | 21913.00 | 22304.00 | 19365.00 | 19822.00 | 20051.00 | 20272.00 | 21448.00 | 21504.00 | 21696.00 | 21132.00 | 20874.00 | 20778.00 | 20584.00 | |
| Minority Interest | 7802.00 | 7736.00 | 7830.00 | 7951.00 | 7729.00 | 7424.00 | 6943.00 | 7192.00 | 7311.00 | 7106.00 | 6917.00 | 6985.00 | 7127.00 | 6980.00 | 7212.00 | 6970.00 | 6664.00 | 7288.00 | 7194.00 | 7088.00 | 6799.00 | 6734.00 | 6466.00 | 6311.00 | 6716.00 | 6812.00 | 6922.00 | 6660.00 | 6620.00 | |
| Operating Lease Liability Noncurrent | NA | 4393.00 | NA | NA | NA | 4067.00 | NA | NA | NA | 3823.00 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| 2024-03-31 | 2023-12-31 | 2023-09-30 | 2023-06-30 | 2023-03-31 | 2022-12-31 | 2022-09-30 | 2022-06-30 | 2022-03-31 | 2021-12-31 | 2021-09-30 | 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 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Stockholders Equity | 205250.00 | 204802.00 | 199703.00 | 199046.00 | 198685.00 | 195049.00 | 186100.00 | 177316.00 | 169215.00 | 168577.00 | 160589.00 | 158571.00 | 156974.00 | 157150.00 | 177400.00 | 180183.00 | 182079.00 | 191650.00 | 189915.00 | 191377.00 | 191222.00 | 191794.00 | 190365.00 | 187222.00 | 188195.00 | 187688.00 | 182276.00 | 179178.00 | 177151.00 | |
| Stockholders Equity Including Portion Attributable To Noncontrolling Interest | 213052.00 | 212538.00 | 207533.00 | 206997.00 | 206414.00 | 202473.00 | 193043.00 | 184508.00 | 176526.00 | 175683.00 | 167506.00 | 165556.00 | 164101.00 | 164130.00 | 184612.00 | 187153.00 | 188743.00 | 198938.00 | 197109.00 | 198465.00 | 198021.00 | 198528.00 | 196831.00 | 193533.00 | 194911.00 | 194500.00 | 189198.00 | 185838.00 | 183771.00 | |
| Common Stock Value | 17971.00 | 17781.00 | 16165.00 | 16029.00 | 15904.00 | 15752.00 | 16106.00 | 16018.00 | 15879.00 | 15746.00 | 16104.00 | 16006.00 | 15884.00 | 15688.00 | 15997.00 | 15812.00 | 15636.00 | 15637.00 | 15795.00 | 15639.00 | 15476.00 | 15258.00 | 15254.00 | 15086.00 | 14888.00 | 14656.00 | 14783.00 | 14617.00 | 14415.00 | |
| Retained Earnings Accumulated Deficit | 458339.00 | 453927.00 | 450138.00 | 444731.00 | 440552.00 | 432860.00 | 423877.00 | 407902.00 | 393779.00 | 392059.00 | 386952.00 | 383922.00 | 382953.00 | 383943.00 | 407728.00 | 412124.00 | 416919.00 | 421341.00 | 419367.00 | 419913.00 | 420498.00 | 421653.00 | 419155.00 | 416418.00 | 415970.00 | 414540.00 | 409449.00 | 408768.00 | 408707.00 | |
| Accumulated Other Comprehensive Income Loss Net Of Tax | -13169.00 | -11989.00 | -13088.00 | -12657.00 | -13095.00 | -13270.00 | -17803.00 | -15017.00 | -12914.00 | -13764.00 | -16696.00 | -15586.00 | -16090.00 | -16705.00 | -20189.00 | -21617.00 | -24339.00 | -19493.00 | -19277.00 | -18205.00 | -18782.00 | -19564.00 | -18370.00 | -18609.00 | -16992.00 | -16262.00 | -16651.00 | -18902.00 | -20679.00 | |
| Minority Interest | 7802.00 | 7736.00 | 7830.00 | 7951.00 | 7729.00 | 7424.00 | 6943.00 | 7192.00 | 7311.00 | 7106.00 | 6917.00 | 6985.00 | 7127.00 | 6980.00 | 7212.00 | 6970.00 | 6664.00 | 7288.00 | 7194.00 | 7088.00 | 6799.00 | 6734.00 | 6466.00 | 6311.00 | 6716.00 | 6812.00 | 6922.00 | 6660.00 | 6620.00 |
| 2024-03-31 | 2023-12-31 | 2023-09-30 | 2023-06-30 | 2023-03-31 | 2022-12-31 | 2022-09-30 | 2022-06-30 | 2022-03-31 | 2021-12-31 | 2021-09-30 | 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 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Net Cash Provided By Used In Operating Activities | 14664.00 | 13682.00 | 15963.00 | 9383.00 | 16341.00 | 17621.00 | 24425.00 | 19963.00 | 14788.00 | 17124.00 | 12091.00 | 9650.00 | 9264.00 | 4005.00 | 4389.00 | 0.00 | 6274.00 | 6352.00 | 9079.00 | 5947.00 | 8338.00 | 8607.00 | 11108.00 | 7780.00 | 8519.00 | 7411.00 | 7535.00 | 6947.00 | 8173.00 | |
| Net Cash Provided By Used In Investing Activities | -4577.00 | -5714.00 | -4279.00 | -4356.00 | -4925.00 | -5355.00 | -2378.00 | -3064.00 | -3945.00 | -2110.00 | -3054.00 | -2716.00 | -2355.00 | -3302.00 | -3709.00 | -5081.00 | -6367.00 | -4264.00 | -6150.00 | -6877.00 | -5793.00 | -5584.00 | -3907.00 | -5096.00 | -1859.00 | -6536.00 | -2555.00 | -2878.00 | -3761.00 | |
| Net Cash Provided By Used In Financing Activities | -7982.00 | -9555.00 | -8059.00 | -8176.00 | -8507.00 | -13937.00 | -9793.00 | -8671.00 | -6713.00 | -12959.00 | -7657.00 | -7022.00 | -7785.00 | -5283.00 | -4494.00 | 6277.00 | 8785.00 | -4456.00 | -1666.00 | 548.00 | -1044.00 | -5501.00 | -4959.00 | -3244.00 | -5742.00 | -1837.00 | -4988.00 | -5059.00 | -3246.00 |
| 2024-03-31 | 2023-12-31 | 2023-09-30 | 2023-06-30 | 2023-03-31 | 2022-12-31 | 2022-09-30 | 2022-06-30 | 2022-03-31 | 2021-12-31 | 2021-09-30 | 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 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Net Cash Provided By Used In Operating Activities | 14664.00 | 13682.00 | 15963.00 | 9383.00 | 16341.00 | 17621.00 | 24425.00 | 19963.00 | 14788.00 | 17124.00 | 12091.00 | 9650.00 | 9264.00 | 4005.00 | 4389.00 | 0.00 | 6274.00 | 6352.00 | 9079.00 | 5947.00 | 8338.00 | 8607.00 | 11108.00 | 7780.00 | 8519.00 | 7411.00 | 7535.00 | 6947.00 | 8173.00 | |
| Net Income Loss | 8220.00 | 7630.00 | 9070.00 | 7880.00 | 11430.00 | 12750.00 | 19660.00 | 17850.00 | 5480.00 | 8870.00 | 6750.00 | 4690.00 | 2730.00 | -20070.00 | -680.00 | -1080.00 | -610.00 | 5690.00 | 3170.00 | 3130.00 | 2350.00 | 6000.00 | 6240.00 | 3950.00 | 4650.00 | 8380.00 | 3970.00 | 3350.00 | 4010.00 | |
| Profit Loss | 8566.00 | 8012.00 | 9346.00 | 8153.00 | 11843.00 | 13055.00 | 20198.00 | 18574.00 | 5750.00 | 9079.00 | 6942.00 | 4781.00 | 2796.00 | -20603.00 | -709.00 | -1169.00 | -770.00 | 5730.00 | 3247.00 | 3391.00 | 2406.00 | 6206.00 | 6446.00 | 3986.00 | 4783.00 | 8409.00 | 4085.00 | 3264.00 | 4090.00 | |
| Depreciation Depletion And Amortization | 4812.00 | 7740.00 | 4415.00 | 4242.00 | 4244.00 | 5064.00 | 5642.00 | 4451.00 | 8883.00 | 5661.00 | 4990.00 | 4952.00 | 5004.00 | 30291.00 | 4983.00 | 4916.00 | 5819.00 | 4923.00 | 4873.00 | 4631.00 | 4571.00 | 5028.00 | 4658.00 | 4589.00 | 4470.00 | 5842.00 | 4880.00 | 4652.00 | 4519.00 |
| 2024-03-31 | 2023-12-31 | 2023-09-30 | 2023-06-30 | 2023-03-31 | 2022-12-31 | 2022-09-30 | 2022-06-30 | 2022-03-31 | 2021-12-31 | 2021-09-30 | 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 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Net Cash Provided By Used In Investing Activities | -4577.00 | -5714.00 | -4279.00 | -4356.00 | -4925.00 | -5355.00 | -2378.00 | -3064.00 | -3945.00 | -2110.00 | -3054.00 | -2716.00 | -2355.00 | -3302.00 | -3709.00 | -5081.00 | -6367.00 | -4264.00 | -6150.00 | -6877.00 | -5793.00 | -5584.00 | -3907.00 | -5096.00 | -1859.00 | -6536.00 | -2555.00 | -2878.00 | -3761.00 | |
| Payments To Acquire Property Plant And Equipment | 5074.00 | 6228.00 | 4920.00 | 5359.00 | 5412.00 | 5783.00 | 4876.00 | 3837.00 | 3911.00 | 4089.00 | 2840.00 | 2747.00 | 2400.00 | 3629.00 | 3291.00 | 4417.00 | 5945.00 | 6704.00 | 6285.00 | 6173.00 | 5199.00 | 6094.00 | 5204.00 | 4927.00 | 3349.00 | 4501.00 | 4913.00 | 3098.00 | 2890.00 |
| 2024-03-31 | 2023-12-31 | 2023-09-30 | 2023-06-30 | 2023-03-31 | 2022-12-31 | 2022-09-30 | 2022-06-30 | 2022-03-31 | 2021-12-31 | 2021-09-30 | 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 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Net Cash Provided By Used In Financing Activities | -7982.00 | -9555.00 | -8059.00 | -8176.00 | -8507.00 | -13937.00 | -9793.00 | -8671.00 | -6713.00 | -12959.00 | -7657.00 | -7022.00 | -7785.00 | -5283.00 | -4494.00 | 6277.00 | 8785.00 | -4456.00 | -1666.00 | 548.00 | -1044.00 | -5501.00 | -4959.00 | -3244.00 | -5742.00 | -1837.00 | -4988.00 | -5059.00 | -3246.00 | |
| Payments Of Dividends Common Stock | 3808.00 | 3839.00 | 3663.00 | 3701.00 | 3738.00 | 3767.00 | 3685.00 | 3727.00 | 3760.00 | 3763.00 | 3720.00 | 3721.00 | 3720.00 | 3715.00 | 3716.00 | 3715.00 | 3719.00 | 3716.00 | 3716.00 | 3715.00 | 3505.00 | 3502.00 | 3503.00 | 3502.00 | 3291.00 | 3289.00 | 3289.00 | 3289.00 | 3134.00 | |
| Payments For Repurchase Of Common Stock | 3011.00 | 4656.00 | 4412.00 | 4340.00 | 4340.00 | 4675.00 | 4494.00 | 3919.00 | 2067.00 | 154.00 | 0.00 | 0.00 | 1.00 | 100.00 | 0.00 | 0.00 | 305.00 | 173.00 | 0.00 | 0.00 | 421.00 | 196.00 | 1.00 | 2.00 | 427.00 | 232.00 | 1.00 | 13.00 | 501.00 |
| 2024-03-31 | 2023-12-31 | 2023-09-30 | 2023-06-30 | 2023-03-31 | 2022-12-31 | 2022-09-30 | 2022-06-30 | 2022-03-31 | 2021-12-31 | 2021-09-30 | 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 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Revenues | 83083.00 | 84344.00 | 90760.00 | 82914.00 | 86564.00 | 95429.00 | 112070.00 | 115681.00 | 90500.00 | 84965.00 | 73786.00 | 67742.00 | 59147.00 | 46540.00 | 46199.00 | 32605.00 | 56158.00 | 67173.00 | 65049.00 | 67491.00 | 61646.00 | 68253.00 | 74187.00 | 71456.00 | 65436.00 | 65312.00 | 59350.00 | 56026.00 | 56474.00 | |
| Not Designated As Hedging Instrument Trading | -792.00 | NA | -1049.00 | 332.00 | 651.00 | NA | 945.00 | -1413.00 | -2535.00 | -622.00 | -1596.00 | -1088.00 | -512.00 | -284.00 | -297.00 | -251.00 | 1236.00 | -314.00 | 144.00 | 33.00 | -275.00 | 202.00 | -68.00 | -11.00 | 8.00 | -10.00 | -11.00 | 8.00 | NA | |
| Income From Equity Affiliates | 1842.00 | 1165.00 | 1457.00 | 1382.00 | 2381.00 | 605.00 | 4632.00 | 3688.00 | 2538.00 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| Other Revenue | 830.00 | 1491.00 | 733.00 | 737.00 | 539.00 | 1660.00 | 926.00 | 728.00 | 228.00 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| Sales And Other Operating Revenue | 80411.00 | 81688.00 | 88570.00 | 80795.00 | 83644.00 | 93164.00 | 106512.00 | 111265.00 | 87734.00 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| Sales And Other Operating Revenue, Corporate And Financing | 24.00 | NA | 31.00 | NA | 9.00 | NA | 4.00 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| Sales And Other Operating Revenue, | 2425.00 | 2614.00 | 2448.00 | 2392.00 | 2428.00 | 2719.00 | 2936.00 | 3205.00 | 2456.00 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| Sales And Other Operating Revenue, | 2407.00 | 2373.00 | 2407.00 | 2410.00 | 2649.00 | 2647.00 | 2755.00 | 3041.00 | 2836.00 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| Sales And Other Operating Revenue, | 7055.00 | 7134.00 | 8314.00 | 6825.00 | 6721.00 | 7865.00 | 8468.00 | 9642.00 | 6995.00 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| Sales And Other Operating Revenue, | 2347.00 | NA | NA | NA | 2293.00 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| Sales And Other Operating Revenue, | 3473.00 | 3808.00 | 4017.00 | 3494.00 | 3484.00 | 3656.00 | 4449.00 | 5265.00 | 4356.00 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| Sales And Other Operating Revenue, | 5160.00 | 5610.00 | 5509.00 | 5242.00 | 7011.00 | 9289.00 | 8845.00 | 8306.00 | 7548.00 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| Sales And Other Operating Revenue, | 4018.00 | 3962.00 | 3880.00 | 3758.00 | 3731.00 | 4671.00 | 5262.00 | 4774.00 | 4322.00 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| Sales And Other Operating Revenue,US | 30656.00 | 31483.00 | 33265.00 | 31335.00 | 31291.00 | 34366.00 | 39601.00 | 43264.00 | 31994.00 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| Sales And Other Operating Revenue, Non Us | 49755.00 | 50205.00 | 55305.00 | 49460.00 | 52353.00 | 58798.00 | 66911.00 | 68001.00 | 55740.00 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| Sales And Other Operating Revenue,US, Chemical Products | 2194.00 | 2006.00 | 1924.00 | NA | 2029.00 | 1897.00 | 2499.00 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| Sales And Other Operating Revenue,US, Energy Products | 24803.00 | 25565.00 | 27251.00 | NA | 24924.00 | 27174.00 | 31324.00 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| Sales And Other Operating Revenue,US, Specialty Products | 1469.00 | 1431.00 | 1503.00 | NA | 1568.00 | 1493.00 | 1615.00 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| Sales And Other Operating Revenue,US, Upstream | 2190.00 | 2470.00 | 2587.00 | NA | 2770.00 | 3802.00 | 4163.00 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| Sales And Other Operating Revenue, Non Us, Chemical Products | 3646.00 | 3387.00 | 3557.00 | NA | 3692.00 | 3742.00 | 4213.00 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| Sales And Other Operating Revenue, Non Us, Energy Products | 39409.00 | 40299.00 | 45295.00 | NA | 39976.00 | 43419.00 | 50215.00 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| Sales And Other Operating Revenue, Non Us, Specialty Products | 3150.00 | 2981.00 | 2998.00 | NA | 3289.00 | 3249.00 | 3709.00 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| Sales And Other Operating Revenue, Non Us, Upstream | 3526.00 | 3524.00 | 3424.00 | NA | 5387.00 | 8371.00 | 8770.00 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| Revenue From Contract With Customer Excluding Assessed Tax | 83083.00 | 84344.00 | 90760.00 | 80795.00 | 83644.00 | 108169.00 | 106512.00 | 111265.00 | 87734.00 | 81305.00 | 71892.00 | 65943.00 | 57552.00 | 45738.00 | 45425.00 | 32277.00 | 55134.00 | 63024.00 | 63422.00 | 67491.00 | 61646.00 | 68253.00 | 74187.00 | 71456.00 | 65436.00 | 65312.00 | 59350.00 | 56026.00 | 56474.00 | |
| Sales And Other Operating Revenue | 58419.00 | 60296.00 | 68533.00 | 63322.00 | 64304.00 | 70733.00 | 79358.00 | 85851.00 | 68816.00 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
