SLAB

Line plots across dimensions of each concept
Line plots across concepts
Tables

Plots across concepts

IncomeStatement

Expenses

Balance Sheet

Assets

Current Assets

NonCurrent Assets

PropertyPlantAndEquipmentNet

Liabilities

Current Liabilities

Stockholders Equity

CashFlow

NetCashProvidedByUsedInOperatingActivities

NetCashProvidedByUsedInInvestingActivities

NetCashProvidedByUsedInFinancingActivities

LesseeOperatingLeaseLiabilityPaymentsDue

InventoryNet

Tables

		2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-07-04	2015-04-04	2014-09-27	2014-06-28	2014-03-29	2013-12-28	2013-09-28	2013-06-29	2013-03-30	2012-12-29	2012-09-29	2012-06-30	2012-03-31	2011-12-31	2011-10-01	2011-07-02	2011-04-02	2011-01-01	2010-10-02	2010-07-03	2010-04-03
us-gaap:CommonStockValue	▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	NA	NA	NA
us-gaap:CommonStockSharesIssued	██▆▆▆▆▅▅▅▅▄▄▅▅▃▃▃▃▂▁▁▁▁▁▄▃▃▅▅▄▄▃▃▂▁▂▄▂▂▇▇▆	44.764	44.749	43.925	43.827	43.796	43.67	43.496	43.373	43.344	43.341	43.088	43.147	43.35	43.227	42.707	42.562	42.539	42.348	41.889	41.651	41.637	41.743	41.727	41.57	42.908	42.689	42.49	43.406	43.433	42.779	43.093	42.668	42.401	41.879	41.706	41.941	42.835	42.068	41.839	44.292	44.513	43.933	NA	NA	NA
us-gaap:PreferredStockSharesAuthorized	███████████████▁██████████████████████████	10.0	10.0	10.0	10.0	10.0	10.0	10.0	10.0	10.0	10.0	10.0	10.0	10.0	10.0	10.0	0.01	10.0	10.0	10.0	10.0	10.0	10.0	10.0	10.0	10.0	10.0	10.0	10.0	10.0	10.0	10.0	10.0	10.0	10.0	10.0	10.0	10.0	10.0	10.0	10.0	10.0	10.0	NA	NA	NA
us-gaap:CommonStockSharesOutstanding	██▆▆▆▆▅▅▅▅▄▄▅▅▃▃▃▃▂▁▁▁▁▁▄▃▃▅▅▄▄▃▃▂▁▂▄▂▂▇▇▆	44.764	44.749	43.925	43.827	43.796	43.67	43.496	43.373	43.344	43.341	43.088	43.147	43.35	43.227	42.707	42.562	42.539	42.348	41.889	41.651	41.637	41.743	41.727	41.57	42.908	42.689	42.49	43.406	43.433	42.779	43.093	42.668	42.401	41.879	41.706	41.941	42.835	42.068	41.839	44.292	44.513	43.933	NA	NA	NA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding	▁█	45.756	45.832	NA	44.328	43.761	44.388	NA	44.634	43.386	43.716	NA	44.194	44.294	43.918	NA	43.374	43.178	43.03	NA	42.307	42.284	42.199	NA	42.795	43.461	43.149	43.815	44.218	44.056	NA	43.922	43.269	43.11	NA	42.52	43.423	43.85	NA	43.919	45.951	44.269	NA	46.009	47.371	47.926
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic	█▁	44.803	44.16	NA	43.815	43.761	43.642	NA	43.358	43.386	43.189	NA	43.256	43.312	42.963	NA	42.553	42.478	42.096	NA	41.614	41.775	41.629	NA	42.331	42.823	42.412	43.112	43.462	43.081	NA	42.684	42.552	42.186	NA	41.735	42.655	42.458	NA	42.834	44.602	44.269	NA	44.341	45.387	45.816
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount		NA	NA	NA	NA	0.3	NA	NA	NA	0.6	0.5	NA	NA	NA	0.0	NA	0.0	0.0	0.3	NA	0.1	0.2	0.8	NA	0.1	0.1	0.1	0.1	0.1	0.2	NA	0.5	0.5	0.6	NA	0.8	1.2	0.3	NA	1.4	0.5	0.3	NA	0.8	0.6	NA
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities us-gaap:StockCompensationPlan	▄	0.0	NA	NA	NA	0.4	0.2	NA	NA	0.0	0.5	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	NA
us-gaap:EarningsPerShareBasic	▇▆▅▄▃▄▅▇▁▄▆█▆█▃▇▆▆▇▇▆▅▅▅▅▅▄▆▅▅▅▆▇▇▅▇▆▆▅▆▃▆▆▇▇	0.44	0.31	0.20999999999999996	0.07	-0.04	0.05	0.22	0.47	-0.37	0.12	0.34999999999999987	0.64	0.33	0.61	-0.11999999999999988	0.47	0.39	0.37	0.48	0.48	0.37	0.14	0.1399999999999999	0.24	0.18	0.15	0.13	0.33	0.19	0.2499999999999999	0.15	0.3	0.47	0.44999999999999996	0.24	0.48	0.34	0.29999999999999993	0.26	0.3	-0.04	0.2899999999999998	0.41	0.46	0.46
us-gaap:EarningsPerShareDiluted	▇▆▅▄▃▄▅▇▁▄▆█▆█▃▇▆▆▇▇▆▅▅▅▅▅▄▆▅▅▅▆▇▇▅▇▆▆▅▆▃▆▆▇▇	0.44	0.29	0.2	0.07	-0.04	0.05	0.21	0.45	-0.37	0.12	0.34999999999999987	0.63	0.32	0.6	-0.10999999999999988	0.46	0.38	0.36	0.47	0.47	0.37	0.14	0.1399999999999999	0.23	0.17	0.15	0.13	0.32	0.18	0.23999999999999988	0.15	0.29	0.46	0.42999999999999994	0.24	0.47	0.33	0.29000000000000004	0.26	0.29	-0.04	0.29000000000000004	0.4	0.44	0.44
us-gaap:IncomeLossFromContinuingOperationsPerBasicShare	▄	-4.1e-07	NA	NA	NA	-8.2e-07	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	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	▄	-4.1e-07	NA	NA	NA	-8.2e-07	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA

		2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-07-04	2015-04-04	2014-09-27	2014-06-28	2014-03-29	2013-12-28	2013-09-28	2013-06-29	2013-03-30	2012-12-29	2012-09-29	2012-06-30	2012-03-31	2011-12-31	2011-10-01	2011-07-02	2011-04-02	2011-01-01	2010-10-02	2010-07-03	2010-04-03

		2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-07-04	2015-04-04	2014-09-27	2014-06-28	2014-03-29	2013-12-28	2013-09-28	2013-06-29	2013-03-30	2012-12-29	2012-09-29	2012-06-30	2012-03-31	2011-12-31	2011-10-01	2011-07-02	2011-04-02	2011-01-01	2010-10-02	2010-07-03	2010-04-03

		2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-07-04	2015-04-04	2014-09-27	2014-06-28	2014-03-29	2013-12-28	2013-09-28	2013-06-29	2013-03-30	2012-12-29	2012-09-29	2012-06-30	2012-03-31	2011-12-31	2011-10-01	2011-07-02	2011-04-02	2011-01-01	2010-10-02	2010-07-03	2010-04-03
us-gaap:AllocatedShareBasedCompensationExpense	▅▇█▇▇█▇▇▆▆▆▆▅▅▅▅▅▄▃▃▄▄▅▃▅▄▃▃▃▃▃▂▁▂▂▃▁▃▃▃▃▃▄▄	11.252	13.826	15.762	14.559	14.457	15.313	14.757	13.788	13.669	12.584	13.184	12.582	12.119	12.192	11.745	11.355	11.166	10.486	9.571	9.195	10.518	10.344	11.993	9.222	11.057	10.519	9.614	9.282	9.277	8.496	8.62	7.424	6.26	7.38	7.931	9.172	6.693	8.891	9.15	8.601	9.473	9.063	10.33	10.675	NA
us-gaap:ComprehensiveIncomeNetOfTax	▇▅▅▄▄▄▅▇▁▅▆█▆█▃▇▆▆▇▇▆▄▄▅▅▄▄▆▅▅▅▅▇▆▅▇▆▆▅▆▃▅▆	19.635	11.921	8.902	2.411	1.119	1.267	9.755	19.897	-14.888	6.721	15.238	28.054	14.305	25.827	-5.674	20.033	16.675	14.409	21.21	20.137	15.645	5.502	5.77	9.885	7.457	6.049	6.097	14.094	8.38	10.739	6.679	12.558	20.105	18.632	10.79	20.677	14.97	12.868	11.717	13.797	-1.728	12.258	18.407	NA	NA
us-gaap:CostOfRevenue	▁█▇▅▃▄▄▅▃▁▄▆▄▃	73.194	104.922	100.942	91.276	81.222	85.711	86.167	89.204	79.66	72.239	85.291	94.616	85.814	81.147	NA	NA	NA	NA	NA	NA	NA	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:GainsLossesOnExtinguishmentOfDebt	█▁█▇	0.0	-3.37	-0.083	-0.292	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	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:GainsLossesOnExtinguishmentOfDebt us-gaap:DebtInstrument,us-gaap:IncomeStatementLocation slab:ConvertibleSeniorNotes1.375Percent,us-gaap:InterestExpense		NA	NA	-8.1	NA	3.7	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
us-gaap:GainsLossesOnExtinguishmentOfDebt us-gaap:StatementScenario,us-gaap:DebtInstrument,us-gaap:IncomeStatementLocation slab:ConversionOfNotesHolders,slab:ConvertibleSeniorNotes1.375Percent,us-gaap:InterestExpense		NA	3.4	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	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:GrossProfit	▃█▇▆▆▆▆▇▆▅▆▇▆▆▅▅▅▄▄▄▄▃▃▃▃▃▃▃▂▃▃▃▂▃▂▂▁▂▁▁▁▁▂▃▂	96.298	150.583	141.975	130.074	126.311	129.166	133.271	134.09	127.049	115.874	130.243	135.627	131.292	124.237	119.264	116.574	113.192	105.161	109.476	108.203	108.294	95.531	93.538	93.435	97.428	96.369	96.111	98.663	87.105	88.598	88.161	88.773	87.372	93.626	86.493	82.802	75.096	77.179	72.897	76.212	72.158	71.091	78.67	90.893	83.59
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	▄	-17.326	NA	NA	NA	-40.274	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	22.127	17.83	13.456	NA	21.362	17.269	6.073	NA	10.442	8.531	7.067	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments		NA	13.71	12.024	3.062	-1.442	1.657	11.618	21.866	13.247	2.918	13.098	22.307	14.722	22.034	23.49	22.127	17.83	13.456	NA	NA	NA	NA	4.223	10.442	8.531	7.067	9.109	20.216	9.58	13.702	9.783	18.464	20.078	24.364	27.078	17.789	17.117	15.779	14.231	16.616	5.714	11.506	19.47	30.672	26.011
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome		NA	NA	NA	0.191	-0.161	-0.041	-0.149	0.014	-0.194	-0.237	-0.152	-0.131	-0.033	-0.049	0.0	0.0	NA	NA	NA	NA	NA	NA	-0.113	-0.165	-0.081	-0.14	-0.142	-0.143	-0.143	-0.142	-0.096	0.091	NA	-0.098	-1.317	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
us-gaap:IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	▄	-18.491	NA	NA	NA	-36.045	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	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	▂▂▃▂▂▂▂▂█▂▂▁▂▁█▃▂▂▂▂▂▂▂▂▂▂▃▃▂▃▃▃▂▃▆▂▃▃▃▃▄▂▂▄▃	1.165	0.201	3.076	-0.1	0.381	-0.587	1.903	1.685	29.276	-2.48	-2.047	-5.454	0.442	-4.371	28.342	2.178	1.261	-1.97	-0.317	1.344	1.71	0.265	-1.435	0.467	0.956	0.689	3.501	5.937	1.47	3.06	3.252	5.852	0.044	5.669	17.054	-2.72	2.797	2.974	2.976	3.244	7.674	-1.377	1.237	9.625	4.932
us-gaap:InterestExpense	▁█	6.486	11.324	NA	NA	11.778	5.541	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	0.648	0.643	0.641	0.655	0.668	0.687	0.728	0.745	0.768	0.78	0.798	0.807	0.813	0.831	0.842	0.85	0.234	0.032	0.033	0.023	0.004	0.005	0.005	0.011	0.021	0.022	0.023
us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic	▇▆▅▄▃▄▅▇▁▄▆█▆█▃▇▆▆▇▇▆▄▄▅▅▅▄▆▅▅▅▆▇▇▅▇▆▆▅▆▃▆▆	19.932	13.509	8.948	3.162	-1.823	2.244	9.715	20.181	-16.029	5.398	15.145	27.761	14.28	26.405	-4.852	19.949	16.569	15.426	20.109	20.018	15.559	5.808	5.658	9.975	7.575	6.378	5.608	14.279	8.11	10.642	6.531	12.612	20.034	18.695	10.024	20.509	14.32	12.805	11.255	13.372	-1.96	12.883	18.233	NA	NA
us-gaap:OperatingExpenses	▆██▇▇█▇▆▆▆▆▆▆▅▄▄▄▄▄▄▄▄▄▃▄▄▄▃▃▃▃▂▂▂▁▂▁▁▁▁▂▁▁▁▁	107.785	128.424	124.313	120.452	119.242	125.219	120.042	110.27	112.493	110.782	111.881	110.497	113.291	100.522	92.874	91.606	92.258	92.479	89.393	86.471	90.68	88.683	88.742	82.212	88.425	89.157	86.507	77.861	77.096	74.444	77.671	69.744	66.735	68.324	59.263	66.423	58.332	61.956	58.969	60.228	67.219	60.077	59.325	60.246	57.925
us-gaap:OperatingIncomeLoss	▁▇▆▅▄▄▅▇▅▄▆▇▆▇▇▇▆▅▆▇▆▄▄▅▄▄▅▆▅▅▅▆▆▇▇▆▆▅▅▆▄▅▆█▇	-11.487	22.159	17.662	9.622	7.069	3.947	13.229	23.82	14.556	5.092	18.362	25.13	18.001	23.715	26.39	24.968	20.934	12.682	20.083	21.732	17.614	6.848	4.796	11.223	9.003	7.212	9.604	20.802	10.009	14.154	10.49	19.029	20.637	25.302	27.23	16.379	16.764	15.223	13.928	15.984	4.939	11.014	19.345	30.647	25.665
us-gaap:ProfitLoss	▇▆▅▄▃▄▅▇▁▄▆█▆█▃▇▆▆▇▇	19.932	13.509	8.948	3.162	-1.823	2.244	9.715	20.181	-16.029	5.398	15.145	27.761	14.28	26.405	-4.852	19.949	16.569	15.426	20.109	20.018	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	13.372	-1.96	NA	NA	21.047	21.079
us-gaap:ResearchAndDevelopmentExpense	▆██▇▇▇▇▆▆▆▆▆▅▅▄▄▄▄▄▃▄▄▃▃▃▃▃▂▃▂▂▂▂▁▁▁▁	64.832	76.474	73.857	71.969	70.838	71.223	69.176	62.552	63.856	61.566	62.933	61.091	59.495	54.828	52.735	52.0	52.432	52.324	50.626	48.437	51.635	49.046	47.245	46.483	47.465	46.857	42.517	41.844	42.485	42.168	40.662	37.387	37.582	36.009	34.768	34.245	32.93	NA	NA	NA	NA	NA	NA	NA	NA
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax	▄█▇▆▆▆▆▆▆▅▆▇▆▆▅▅▅▄▄▄▄▃▃▃▄▄▃▃▃▃▃▂▃▃▃▂▂▂▁▂▁▁▁▂▂	169.492	255.505	242.917	221.35	207.533	214.877	219.438	223.294	206.709	188.113	215.534	230.243	217.106	205.384	201.018	198.723	190.098	179.028	182.61	178.083	174.908	162.025	160.071	156.194	164.856	163.705	158.144	154.918	145.691	146.236	146.933	141.543	145.375	152.461	149.461	135.67	125.702	126.692	119.1	126.197	119.636	111.891	120.154	134.577	126.719
us-gaap:Revenues	▄█▇▆▆▆▆▆▆▅▆▇▆▆▅▅▅▄▄▄▄▃▃▃▄▄▃▃▃▃▃▂▃▃▃▂▂▂▁▂▁▁▁▂▂	169.492	255.505	242.917	221.35	207.533	214.877	219.438	223.294	206.709	188.113	215.534	230.243	217.106	205.384	201.018	198.723	190.098	179.028	182.61	178.083	174.908	162.025	160.071	156.194	164.856	163.705	158.144	154.918	145.691	146.236	146.933	141.543	145.375	152.461	149.461	135.67	125.702	126.692	119.1	126.197	119.636	111.891	120.154	134.577	126.719
us-gaap:SellingGeneralAndAdministrativeExpense	▅█▇▇▇█▇▇▇▇▇▇█▆▅▅▅▅▄▄▄▅▅▄▅▅▆▄▃▃▄▃▂▃▁▃▁▂▂▁▃▂▂▂▂	42.953	51.95	50.456	48.483	48.404	53.996	50.866	47.718	48.637	49.216	48.948	49.406	53.796	45.694	40.139	39.606	39.826	40.155	38.767	38.034	39.045	39.637	41.497	35.729	40.96	42.3	43.99	36.017	34.611	32.276	37.009	32.357	29.153	32.315	24.495	32.178	25.402	27.251	27.254	26.055	31.86	27.456	28.556	29.737	28.003

		2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-07-04	2015-04-04	2014-09-27	2014-06-28	2014-03-29	2013-12-28	2013-09-28	2013-06-29	2013-03-30	2012-12-29	2012-09-29	2012-06-30	2012-03-31	2011-12-31	2011-10-01	2011-07-02	2011-04-02	2011-01-01	2010-10-02	2010-07-03	2010-04-03

		2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-07-04	2015-04-04	2014-09-27	2014-06-28	2014-03-29	2013-12-28	2013-09-28	2013-06-29	2013-03-30	2012-12-29	2012-09-29	2012-06-30	2012-03-31	2011-12-31	2011-10-01	2011-07-02	2011-04-02	2011-01-01	2010-10-02	2010-07-03	2010-04-03
us-gaap:Assets	▇▇████▆▆▆▆▆▆▆▆▆▅▅▅▃▃▃▃▃▃▃▃▃▃▃▃▃▂▂▂▂▁▁▁▁▁▁▁	1896.002	1870.623	1993.487	1943.075	1923.707	1971.082	1674.853	1637.178	1602.94	1621.927	1624.354	1604.289	1592.611	1565.995	1535.082	1477.786	1434.327	1399.426	1081.844	1030.216	992.588	998.282	1011.463	978.051	1035.931	1021.226	1014.917	1024.465	1010.053	991.15	999.727	913.021	896.633	871.966	855.043	721.274	732.81	705.991	677.345	744.257	733.51	727.658	NA	NA	NA
us-gaap:Liabilities	▆▆▇▇▇█▅▅▅▅▅▅▅▅▅▅▅▅▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁	668.248	663.644	793.646	773.024	766.061	871.479	559.802	553.424	551.669	564.445	557.064	556.582	564.143	565.42	582.066	534.954	522.122	520.592	254.886	242.587	231.439	248.835	250.349	236.575	249.718	257.789	264.947	246.86	248.858	252.588	265.449	207.67	215.723	221.993	233.822	104.079	109.399	107.052	106.023	107.665	103.221	102.228	NA	NA	NA
us-gaap:LiabilitiesAndStockholdersEquity	▇▇████▆▆▆▆▆▆▆▆▆▅▅▅▃▃▃▃▃▃▃▃▃▃▃▃▃▂▂▂▂▁▁▁▁▁▁▁	1896.002	1870.623	1993.487	1943.075	1923.707	1971.082	1674.853	1637.178	1602.94	1621.927	1624.354	1604.289	1592.611	1565.995	1535.082	1477.786	1434.327	1399.426	1081.844	1030.216	992.588	998.282	1011.463	978.051	1035.931	1021.226	1014.917	1024.465	1010.053	991.15	999.727	913.021	896.633	871.966	855.043	721.274	732.81	705.991	677.345	744.257	733.51	727.658	NA	NA	NA
us-gaap:StockholdersEquity	███▇▇▇▇▆▆▆▆▆▆▆▅▅▅▄▄▃▃▃▃▃▃▃▃▃▃▃▃▂▂▂▂▁▂▁▁	1227.754	1206.979	1199.841	1170.051	1157.646	1099.603	1115.051	1083.754	1051.271	1057.482	1067.29	1047.707	1028.468	1000.575	953.016	942.832	912.205	878.834	826.958	787.629	761.149	749.447	761.114	741.476	786.213	763.437	749.97	777.605	761.195	738.562	734.278	705.351	680.91	649.973	621.221	617.195	623.411	598.939	571.322	NA	NA	625.43	NA	NA	NA

		2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-07-04	2015-04-04	2014-09-27	2014-06-28	2014-03-29	2013-12-28	2013-09-28	2013-06-29	2013-03-30	2012-12-29	2012-09-29	2012-06-30	2012-03-31	2011-12-31	2011-10-01	2011-07-02	2011-04-02	2011-01-01	2010-10-02	2010-07-03	2010-04-03
us-gaap:AssetsCurrent	▇▅▆▅▅█▅▅▅▄▄▄▄▆▅▅▅▄▂▁▁▁▁▁▂▁▂▂▂▁▁▂▂▁▁▁▂▁▁▂▁▂	1161.003	860.931	975.821	937.649	917.437	1248.037	943.859	895.166	847.642	814.488	826.638	801.051	775.915	976.321	947.642	905.501	851.506	813.246	490.851	468.395	425.364	421.25	423.14	429.355	481.596	457.811	504.868	508.977	487.511	459.317	452.165	526.928	502.711	467.682	444.955	474.865	481.525	453.049	426.768	486.808	471.214	493.929	NA	NA	NA
us-gaap:CashAndCashEquivalentsAtCarryingValue	▄▃▃▃▄█▃▃▂▃▃▃▃▄▃▃▃▃▂▂▁▂▁▂▂▁▁▁▂▁▁▂▁▁▂▂▁▁▁▂▂▂▁▁▂	303.084	205.224	202.72	230.358	277.659	615.77	227.146	237.056	189.549	231.144	197.043	225.326	194.864	342.272	269.366	236.459	210.615	225.399	141.106	148.195	101.334	126.69	114.085	135.64	125.051	112.71	111.705	93.29	128.323	95.8	116.539	193.468	79.263	105.426	125.505	173.753	98.038	94.964	108.183	134.824	118.496	138.567	107.651	80.969	152.2
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	▃▁▁▂▂█▂▂▁▂▁▂▁▄▂▂	303.084	205.224	202.72	230.358	277.659	615.77	227.146	237.056	189.549	231.144	197.043	225.326	194.864	342.272	269.366	236.459	NA	NA	141.106	NA	NA	NA	114.085	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
us-gaap:ShortTermInvestments	▄▅█▇▇▇█▇▇▆▆▆▅▆█▇▇▆▂▁▂▁▁▁▂▂▃▃▂▂▂▂▃▂▂▁▃▃▂▂▃▃	314.183	367.708	521.963	491.428	445.685	442.493	498.825	457.879	452.265	382.71	416.779	376.603	347.416	417.867	494.657	482.396	451.114	396.327	153.961	131.139	142.326	126.824	128.901	112.67	147.556	148.795	216.973	235.645	194.765	179.593	153.857	151.423	229.808	176.565	148.573	138.147	235.299	212.526	174.915	198.766	203.785	227.295	NA	NA	NA
us-gaap:AccountsReceivableNetCurrent	██▇▅▄▅▅▅▄▄▄▅▇▅▄▅▅▅▅▆▄▅▄▃▄▄▄▄▃▄▄▄▄▅▅▄▃▂▃▄▃▁	99.546	103.699	95.169	80.46	70.487	74.62	75.639	76.169	72.301	69.871	73.194	74.607	93.83	75.122	71.367	76.188	75.488	75.852	74.401	84.923	71.99	74.591	73.601	61.03	71.403	66.563	71.355	69.042	64.672	72.124	68.499	68.635	72.766	78.023	75.749	72.666	61.425	55.351	58.37	70.351	58.493	45.03	NA	NA	NA
us-gaap:InventoryNet	▃▇▅▅▆▅▆▆▆▆▆▇█▇▆▆▅▅▄▄▄▃▄▃▅▅▃▂▂▂▂▃▄▃▂▁▁▁▂▂▂▂	52.269	79.244	66.662	66.159	70.022	68.16	73.057	71.453	73.865	70.489	74.972	77.563	87.163	76.505	73.132	72.895	67.427	61.308	59.578	55.051	56.388	48.923	53.895	51.957	60.746	61.078	47.015	45.557	44.334	45.271	44.817	50.659	56.949	49.579	42.523	35.977	34.295	34.778	38.403	38.097	41.057	39.45	NA	NA	NA
us-gaap:InventoryFinishedGoods	▂▃▃▄▆▆▆▆▇▆▆▇█▆▇▅▅▅▅▄▅▄▅▄▄▄▃▃▃▃▃▄▃▂▂▂▁▂▂▁	6.963	10.497	10.497	15.617	21.245	20.887	20.707	21.963	24.876	23.493	23.989	26.559	29.593	23.939	26.434	19.529	20.374	18.815	18.823	15.252	17.454	14.234	17.121	13.85	14.609	15.256	11.51	11.096	9.625	10.768	9.881	13.26	12.223	7.476	6.537	6.431	5.702	6.755	5.994	4.172	NA	6.473	NA	NA	NA
us-gaap:OtherAssetsCurrent		NA	NA	38.117	NA	NA	NA	30.707	NA	NA	NA	NA	NA	NA	NA	21.295	NA	NA	NA	21.6	NA	NA	NA	15.915	NA	NA	NA	NA	NA	NA	15.812	NA	NA	NA	20.177	NA	NA	NA	20.646	NA	NA	NA	34.447	NA	NA	NA
us-gaap:PrepaidExpenseAndOtherAssetsCurrent	▇█▆▄▃▂▄▃▃▄▄▂▃▄▁▁▂▃▄▂▃▂▃▂▃▃▂▂▂▂▃▂▂▂▁▂▂▂▁▁	94.378	105.056	89.307	69.244	53.584	46.994	69.192	52.609	59.662	60.274	64.65	46.952	52.642	64.555	39.12	37.563	46.862	54.36	61.805	49.087	53.326	44.222	52.658	48.903	59.025	51.301	39.756	47.785	40.214	47.651	51.097	46.356	48.514	41.437	36.735	48.152	47.527	43.867	36.28	34.499	NA	34.447	NA	NA	NA

		2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-07-04	2015-04-04	2014-09-27	2014-06-28	2014-03-29	2013-12-28	2013-09-28	2013-06-29	2013-03-30	2012-12-29	2012-09-29	2012-06-30	2012-03-31	2011-12-31	2011-10-01	2011-07-02	2011-04-02	2011-01-01	2010-10-02	2010-07-03	2010-04-03
us-gaap:PropertyPlantAndEquipmentGross		NA	NA	278.059	NA	NA	NA	265.308	NA	NA	NA	258.047	NA	NA	NA	233.644	NA	NA	NA	227.553	NA	NA	NA	217.163	NA	NA	NA	NA	NA	NA	205.968	NA	NA	NA	200.969	NA	NA	NA	97.493	NA	NA	NA	94.114	NA	NA	NA
us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:BuildingAndBuildingImprovements		NA	NA	118.331	NA	NA	NA	112.673	NA	NA	NA	109.025	NA	NA	NA	96.196	NA	NA	NA	94.977	NA	NA	NA	94.607	NA	NA	NA	NA	NA	NA	94.221	NA	NA	NA	90.9	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:ComputerEquipment		NA	NA	46.727	NA	NA	NA	45.879	NA	NA	NA	42.487	NA	NA	NA	37.598	NA	NA	NA	NA	NA	NA	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:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:Equipment		NA	NA	71.225	NA	NA	NA	65.843	NA	NA	NA	62.895	NA	NA	NA	59.836	NA	NA	NA	57.677	NA	NA	NA	55.072	NA	NA	NA	NA	NA	NA	51.071	NA	NA	NA	48.219	NA	NA	NA	43.934	NA	NA	NA	40.52	NA	NA	NA
us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:FurnitureAndFixtures		NA	NA	8.882	NA	NA	NA	8.291	NA	NA	NA	7.794	NA	NA	NA	5.691	NA	NA	NA	5.484	NA	NA	NA	4.777	NA	NA	NA	NA	NA	NA	3.496	NA	NA	NA	3.129	NA	NA	NA	3.356	NA	NA	NA	3.051	NA	NA	NA
us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:LeaseholdImprovements		NA	NA	9.054	NA	NA	NA	8.782	NA	NA	NA	12.006	NA	NA	NA	10.483	NA	NA	NA	10.083	NA	NA	NA	9.204	NA	NA	NA	NA	NA	NA	7.784	NA	NA	NA	7.587	NA	NA	NA	21.832	NA	NA	NA	21.042	NA	NA	NA
us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment		NA	NA	138.62	NA	NA	NA	129.369	NA	NA	NA	118.998	NA	NA	NA	105.962	NA	NA	NA	97.994	NA	NA	NA	86.031	NA	NA	NA	NA	NA	NA	73.523	NA	NA	NA	65.698	NA	NA	NA	72.352	NA	NA	NA	64.169	NA	NA	NA
us-gaap:PropertyPlantAndEquipmentNet	████████████▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇█████▁▁▁▁▁▁▁	139.362	141.0	139.439	139.673	140.2	136.391	135.939	136.601	137.644	138.819	139.049	135.566	132.021	129.894	127.682	129.075	130.909	130.635	129.559	130.318	130.498	130.099	131.132	130.283	130.994	131.313	128.433	129.357	130.829	132.445	134.398	135.006	135.761	135.271	136.321	23.468	24.008	25.141	27.373	28.399	29.464	29.945	NA	NA	NA
us-gaap:Goodwill	▅████▅▅▅▅▅▅▅▅▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▁▁▁▁▁▁▁▁▁▁▁	376.389	631.932	631.932	631.932	631.932	398.402	398.402	397.344	397.344	397.344	397.344	396.689	396.689	288.227	288.227	288.629	288.629	288.629	276.13	272.722	272.722	272.722	272.722	263.925	263.925	264.687	228.781	228.781	228.781	228.781	227.289	130.265	130.265	130.265	130.069	115.489	115.489	115.489	115.489	117.215	117.215	112.296	NA	NA	NA
us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass us-gaap:InProcessResearchAndDevelopment		NA	NA	11.753	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	18.6	NA	NA	NA	14.81	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
us-gaap:IntangibleAssetsNetExcludingGoodwill	▅▆▇▇█▅▅▅▆▆▇▇█▂▃▃▃▄▄▃▄▄▄▄▅▅▄▅▅▅▅▃▃▃▃▁▁▁▂▂▂▁	140.581	154.379	166.084	178.076	189.923	124.604	134.279	140.941	150.356	160.512	170.832	181.611	192.601	76.716	83.144	89.859	96.819	103.638	103.565	100.32	106.246	113.8	121.354	121.208	128.196	135.049	119.854	124.106	128.453	131.593	136.054	85.115	87.91	90.75	94.611	55.447	57.725	60.005	63.787	66.28	68.836	53.242	NA	NA	NA
us-gaap:OperatingLeaseRightOfUseAsset		NA	NA	28.213	NA	NA	NA	16.086	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	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	▆▆▆▄▃▄▄▅▅█▆▆▇▇▆▄▄▄▅▃▃▄▄▁▁▁▁▁▁▂▂▁▂▂▂▃▂▂▁▂▂▁	78.667	82.381	80.211	55.745	44.215	63.648	62.374	67.126	69.954	110.764	90.491	89.372	95.385	94.837	88.387	59.251	61.085	58.021	76.543	51.481	50.837	53.566	55.989	26.04	24.041	24.965	21.476	22.251	23.482	28.382	39.15	25.51	28.797	36.629	37.669	40.977	36.334	34.83	26.088	28.359	29.816	20.746	NA	NA	NA

		2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-07-04	2015-04-04	2014-09-27	2014-06-28	2014-03-29	2013-12-28	2013-09-28	2013-06-29	2013-03-30	2012-12-29	2012-09-29	2012-06-30	2012-03-31	2011-12-31	2011-10-01	2011-07-02	2011-04-02	2011-01-01	2010-10-02	2010-07-03	2010-04-03
us-gaap:AccountsPayableCurrent	██▆▅▄▄▄▄▄▄▄▄▄▅▄▄▄▄▄▄▄▄▄▂▃▄▂▂▁▁▂▂▃▂▃▃▂▂▂▂▁▂	70.82	68.998	54.949	46.228	40.245	42.147	38.899	38.724	41.585	41.544	41.171	43.647	40.323	50.068	38.851	38.857	39.989	43.781	39.577	39.591	41.152	42.579	42.127	30.306	34.553	39.295	28.361	24.745	22.707	22.126	24.885	25.952	31.279	29.622	35.476	36.383	29.965	26.354	25.72	26.064	20.371	24.433	NA	NA	NA
us-gaap:LiabilitiesCurrent	▂▂▅▂▂█▂▂▂▂▂▂▂▂▃▃▂▂▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁▂▂▁▁▁▁▁▁▁	154.882	150.799	284.498	151.146	135.0	446.733	137.701	132.036	131.037	134.755	144.845	147.348	139.08	144.804	162.325	159.991	143.243	145.293	139.695	143.847	140.98	155.096	142.321	129.341	133.395	134.822	152.73	134.75	133.121	109.147	103.857	98.442	103.804	106.378	116.159	94.379	90.346	82.838	86.743	86.144	79.681	79.856	NA	NA	NA
us-gaap:OtherAccruedLiabilitiesCurrent		NA	NA	35.45	NA	NA	NA	33.495	NA	NA	NA	32.034	NA	NA	NA	31.489	NA	NA	NA	21.319	NA	NA	NA	24.827	NA	NA	NA	NA	NA	NA	21.079	NA	NA	NA	18.112	NA	NA	NA	12.909	NA	NA	NA	10.489	NA	NA	NA
us-gaap:OtherLiabilitiesCurrent	▂▁██▁▂▇▃▁▂▇▆▄▂▄	70.552	68.351	82.083	82.595	68.397	71.221	79.551	71.485	68.186	69.24	81.18	77.821	74.254	69.31	73.359	NA	NA	NA	54.55	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA

		2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-07-04	2015-04-04	2014-09-27	2014-06-28	2014-03-29	2013-12-28	2013-09-28	2013-06-29	2013-03-30	2012-12-29	2012-09-29	2012-06-30	2012-03-31	2011-12-31	2011-10-01	2011-07-02	2011-04-02	2011-01-01	2010-10-02	2010-07-03	2010-04-03
us-gaap:LongTermDebt us-gaap:DebtInstrument us-gaap:ConvertibleNotesPayable		NA	NA	NA	NA	571.774	NA	368.257	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	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:LongTermDebt us-gaap:LongtermDebtType us-gaap:ConvertibleNotesPayable	▁▁██	439.654	434.288	563.425	561.678	NA	NA	368.257	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	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:OtherLiabilitiesNoncurrent	▄	73.712	NA	79.752	NA	NA	NA	NA	NA	NA	NA	35.872	NA	NA	NA	16.159	NA	NA	NA	15.136	NA	NA	NA	26.787	NA	NA	NA	NA	NA	NA	11.744	NA	NA	NA	2.503	NA	NA	NA	7.224	NA	NA	NA	11.765	NA	NA	NA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo		NA	NA	6.174	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	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		NA	NA	5.367	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	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		NA	NA	4.874	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	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	3.278	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	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	8.421	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA

		2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-07-04	2015-04-04	2014-09-27	2014-06-28	2014-03-29	2013-12-28	2013-09-28	2013-06-29	2013-03-30	2012-12-29	2012-09-29	2012-06-30	2012-03-31	2011-12-31	2011-10-01	2011-07-02	2011-04-02	2011-01-01	2010-10-02	2010-07-03	2010-04-03
us-gaap:StockholdersEquity	███▇▇▇▇▆▆▆▆▆▆▆▅▅▅▄▄▃▃▃▃▃▃▃▃▃▃▃▃▂▂▂▂▁▂▁▁	1227.754	1206.979	1199.841	1170.051	1157.646	1099.603	1115.051	1083.754	1051.271	1057.482	1067.29	1047.707	1028.468	1000.575	953.016	942.832	912.205	878.834	826.958	787.629	761.149	749.447	761.114	741.476	786.213	763.437	749.97	777.605	761.195	738.562	734.278	705.351	680.91	649.973	621.221	617.195	623.411	598.939	571.322	NA	NA	625.43	NA	NA	NA
us-gaap:CommonStockValue	▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	NA	NA	NA
us-gaap:AdditionalPaidInCapitalCommonStock	███▇▇▅▆▅▄▄▅▄▅▄▄▄▃▃▂▁	200.716	199.576	204.359	183.471	173.477	116.553	133.793	112.251	99.665	90.988	107.517	103.169	111.984	98.396	102.862	87.004	76.409	59.714	24.463	6.344	NA	NA	13.868	NA	44.152	28.833	31.467	65.199	62.883	48.63	55.085	32.837	20.954	10.122	NA	NA	24.251	14.749	NA	49.041	56.534	49.947	NA	NA	NA
us-gaap:RetainedEarningsAccumulatedDeficit	██▇▇▇▇▇▇▇▇▇▇▆▆▅▅▅▅▅▄▄▄▄▄▄▃▃▃▃▃▃▃▂▂▂▂▁▁▁▁▁▁	1027.105	1007.173	993.664	984.716	981.554	983.377	980.608	970.893	950.712	966.741	961.343	946.201	918.44	904.16	851.307	856.159	836.21	819.641	801.999	781.89	761.872	750.256	747.749	742.091	742.586	735.011	718.609	713.001	698.722	690.612	679.97	673.439	660.827	640.793	622.098	618.839	600.973	586.653	573.848	590.539	577.167	579.127	NA	NA	NA
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax	▅▅▇▇█▅▆▆▆▅▃▃▃▃▄▅▅▄▆▄▄▄▅▄▄▅▅▄▅▄▄▄▄▄▄▃▃▂▂▂▁▁	-0.071	0.226	1.814	1.86	2.611	-0.331	0.646	0.606	0.89	-0.251	-1.574	-1.667	-1.96	-1.985	-1.157	-0.335	-0.418	-0.525	0.492	-0.609	-0.727	-0.813	-0.507	-0.619	-0.529	-0.411	-0.11	-0.599	-0.414	-0.684	-0.781	-0.929	-0.875	-0.946	-0.881	-1.648	-1.817	-2.467	-2.53	-2.992	-3.416	-3.648	NA	NA	NA
us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	▄▄█▆▆▇▆▄▄▂▃▂▁▁	13.649	13.782	15.728	14.538	14.458	15.341	14.756	13.771	13.676	12.588	13.19	12.579	12.149	12.197	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA

		2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-07-04	2015-04-04	2014-09-27	2014-06-28	2014-03-29	2013-12-28	2013-09-28	2013-06-29	2013-03-30	2012-12-29	2012-09-29	2012-06-30	2012-03-31	2011-12-31	2011-10-01	2011-07-02	2011-04-02	2011-01-01	2010-10-02	2010-07-03	2010-04-03
us-gaap:NetCashProvidedByUsedInOperatingActivities		NA	14.506	8.755	26.46	40.803	59.7	31.671	63.497	39.339	32.015	28.416	94.348	28.566	22.212	48.155	60.801	38.552	42.013	22.291	46.188	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	28.856	-2.626	NA	NA	21.418	31.115
us-gaap:NetCashProvidedByUsedInInvestingActivities		NA	146.387	-36.683	-52.07	-323.763	51.505	-48.362	-13.678	-75.935	31.203	-47.857	-39.112	-177.414	67.354	-19.344	-34.188	-58.93	-261.829	-33.815	4.864	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	3.217	-7.227	NA	NA	-27.177	-58.843
us-gaap:NetCashProvidedByUsedInFinancingActivities	▃▁▃▃▃█▃▃▃▃▃▃▃▃▃▃▃█▃▃	-12.509	-158.389	0.29	-21.691	-55.151	277.419	6.781	-2.312	-4.999	-29.117	-8.842	-24.774	1.44	-16.66	4.096	-0.769	5.594	304.109	4.435	-4.191	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	-15.745	-10.218	NA	NA	-65.472	-15.809
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	▅▄▄▄▁█▄▅▄▅▄▅▃▅▅	97.86	2.504	-27.638	-47.301	-338.111	388.624	-9.91	47.507	-41.595	34.101	-28.283	30.462	-147.408	72.906	32.907	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA

		2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-07-04	2015-04-04	2014-09-27	2014-06-28	2014-03-29	2013-12-28	2013-09-28	2013-06-29	2013-03-30	2012-12-29	2012-09-29	2012-06-30	2012-03-31	2011-12-31	2011-10-01	2011-07-02	2011-04-02	2011-01-01	2010-10-02	2010-07-03	2010-04-03
us-gaap:AmortizationOfFinancingCosts us-gaap:DebtInstrument us-gaap:ConvertibleNotesPayable		NA	NA	NA	NA	0.491	NA	NA	NA	0.437	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	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:AmortizationOfFinancingCosts us-gaap:LongtermDebtType us-gaap:ConvertibleNotesPayable	▁▇▇█▆▆▄▄	0.374	0.518	0.531	0.546	0.491	0.49	0.453	0.442	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	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:IncreaseDecreaseInAccountsPayable	▄█▇▆▃▅▄▄▅▄▃▆▁█▃▄▃▆▄▅▃▄▇▃▃▄▄▅▄▄▄▃▅▃▄▅▅▃▄▅▃▄▃▄▄	0.595	14.116	9.16	6.872	-3.517	2.748	1.411	1.098	4.607	0.714	-2.723	5.695	-10.05	13.03	-2.214	-0.617	-3.202	5.565	-1.017	2.96	-3.239	1.559	12.348	-2.327	-3.806	0.447	1.228	2.651	1.195	-0.962	-0.746	-4.627	2.356	-1.896	0.347	4.557	4.209	-3.047	0.612	5.046	-4.787	-1.384	-2.408	1.969	1.046
us-gaap:IncreaseDecreaseInAccountsReceivable	▄▆▇▆▃▄▄▅▅▄▄▁▇▅▄▅▄▅▂▇▄▅▆▃▅▃▅▅▃▅▄▄▄▅▅▇▆▄▂▇▇▁▂█▅	-4.153	8.53	14.71	9.972	-5.528	-1.542	-0.574	3.868	2.43	-3.323	-1.413	-19.223	13.398	3.307	-4.821	0.7	-0.365	1.252	-11.368	12.933	-2.601	0.99	10.395	-10.373	4.84	-6.564	2.313	4.37	-7.452	3.627	-3.211	-4.132	-5.256	2.273	1.155	11.241	6.074	-3.019	-11.981	11.858	11.704	-18.771	-12.517	19.142	0.804
us-gaap:IncreaseDecreaseInInventories	▁█▄▂▃▂▄▃▅▂▃▂▃▅▄▆▆▄▅▃▆▂▄▁▄▆▄▄▄▄▂▂▆▆▅▄▄▃▄▃▄▄▇▄▃	-8.179	12.626	0.535	-4.516	-1.99	-4.777	1.341	-2.394	3.37	-4.488	-2.594	-5.631	-2.803	3.368	0.22	5.459	6.101	1.636	4.535	-1.33	7.468	-4.58	0.166	-8.793	0.11	6.424	1.468	1.206	-1.083	0.625	-7.241	-6.322	7.35	7.062	4.695	1.746	-0.447	-3.664	0.352	-2.781	0.759	1.324	9.024	1.295	-3.832
us-gaap:NetCashProvidedByUsedInOperatingActivities		NA	14.506	8.755	26.46	40.803	59.7	31.671	63.497	39.339	32.015	28.416	94.348	28.566	22.212	48.155	60.801	38.552	42.013	22.291	46.188	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	28.856	-2.626	NA	NA	21.418	31.115
us-gaap:ProfitLoss	▇▆▅▄▃▄▅▇▁▄▆█▆█▃▇▆▆▇▇	19.932	13.509	8.948	3.162	-1.823	2.244	9.715	20.181	-16.029	5.398	15.145	27.761	14.28	26.405	-4.852	19.949	16.569	15.426	20.109	20.018	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	13.372	-1.96	NA	NA	21.047	21.079
us-gaap:ShareBasedCompensation	▃▇█▇▇█▇▇▆▆▆▆▅▅▅▅▅▄▃▃▄▄▅▃▅▄▃▃▃▃▃▂▁▂▂▃▁▃▃▃▃▃▄▄▄	8.794	13.826	15.762	14.559	14.457	15.313	14.757	13.789	13.669	12.584	13.184	12.582	12.119	12.192	11.745	11.355	11.166	10.486	9.571	9.196	10.517	10.344	11.993	9.222	11.057	10.519	9.614	9.282	9.277	8.496	8.62	7.424	6.26	7.38	7.931	9.172	6.693	8.891	9.15	8.601	9.473	9.063	10.33	10.675	10.256

		2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-07-04	2015-04-04	2014-09-27	2014-06-28	2014-03-29	2013-12-28	2013-09-28	2013-06-29	2013-03-30	2012-12-29	2012-09-29	2012-06-30	2012-03-31	2011-12-31	2011-10-01	2011-07-02	2011-04-02	2011-01-01	2010-10-02	2010-07-03	2010-04-03
us-gaap:NetCashProvidedByUsedInInvestingActivities		NA	146.387	-36.683	-52.07	-323.763	51.505	-48.362	-13.678	-75.935	31.203	-47.857	-39.112	-177.414	67.354	-19.344	-34.188	-58.93	-261.829	-33.815	4.864	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	3.217	-7.227	NA	NA	-27.177	-58.843
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment	▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁█▁▁▁▁▁▁▁▁▁▁	4.603	6.176	5.175	4.853	6.259	4.135	3.506	3.371	5.528	3.874	6.195	6.861	7.304	4.102	1.758	2.104	3.847	4.543	2.382	3.399	2.843	2.303	3.987	2.567	2.723	1.991	2.161	1.666	1.673	1.488	2.486	2.6	3.898	2.323	94.625	2.667	2.428	1.218	2.414	2.361	2.697	7.058	3.481	1.564	1.747

		2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-07-04	2015-04-04	2014-09-27	2014-06-28	2014-03-29	2013-12-28	2013-09-28	2013-06-29	2013-03-30	2012-12-29	2012-09-29	2012-06-30	2012-03-31	2011-12-31	2011-10-01	2011-07-02	2011-04-02	2011-01-01	2010-10-02	2010-07-03	2010-04-03
us-gaap:NetCashProvidedByUsedInFinancingActivities	▃▁▃▃▃█▃▃▃▃▃▃▃▃▃▃▃█▃▃	-12.509	-158.389	0.29	-21.691	-55.151	277.419	6.781	-2.312	-4.999	-29.117	-8.842	-24.774	1.44	-16.66	4.096	-0.769	5.594	304.109	4.435	-4.191	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	-15.745	-10.218	NA	NA	-65.472	-15.809
us-gaap:RepaymentsOfLongTermDebt	▁█▁▂	0.0	140.572	6.008	21.283	NA	NA	0.005	NA	NA	NA	NA	NA	NA	NA	0.0	0.0	0.0	72.5	0.0	0.0	2.5	2.5	2.5	87.123	2.5	2.583	1.25	1.25	1.25	1.25	8.434	1.25	2.5	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
us-gaap:PaymentsForRepurchaseOfCommonStock		NA	NA	0.0	0.0	0.0	16.287	0.0	0.0	11.712	15.004	15.004	20.875	NA	NA	NA	NA	NA	NA	0.0	4.44	17.619	18.484	0.0	61.03	0.28	10.138	39.988	NA	NA	18.246	NA	NA	NA	10.979	14.867	NA	NA	0.0	86.822	22.635	0.606	0.0	40.022	76.217	24.092

		2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-07-04	2015-04-04	2014-09-27	2014-06-28	2014-03-29	2013-12-28	2013-09-28	2013-06-29	2013-03-30	2012-12-29	2012-09-29	2012-06-30	2012-03-31	2011-12-31	2011-10-01	2011-07-02	2011-04-02	2011-01-01	2010-10-02	2010-07-03	2010-04-03
us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument slab:ConvertibleSeniorNotes0.625Percent	████▁	6.25e-07	6.25e-07	6.25e-07	6.25e-07	6.2500000000000005e-09	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	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:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument slab:ConvertibleSeniorNotes1.375Percent		NA	NA	1.375e-06	1.375e-06	1.375e-08	NA	1.375e-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	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA

Common Stock Value

us-gaap:CommonStockValue

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-07-04	2015-04-04	2015-01-03	2014-09-27	2014-06-28	2014-03-29	2013-12-28	2013-09-28	2013-06-29	2013-03-30	2012-12-29	2012-09-29	2012-06-30	2012-03-31	2011-12-31	2011-10-01	2011-07-02	2011-04-02	2011-01-01	2010-01-02
Value	4000.0	4000.0	4000.0	4000.0	4000.0	4000.0	4000.0	4000.0	4000.0	4000.0	4000.0	4000.0	4000.0	4000.0	4000.0	4000.0	4000.0	4000.0	4000.0	4000.0	4000.0	4000.0	4000.0	4000.0	4000.0	4000.0	4000.0	4000.0	4000.0	4000.0	4000.0	4000.0	4000.0	4000.0	4000.0	4000.0	4000.0	4000.0	4000.0	4000.0	4000.0	4000.0	4000.0	5000.0
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

Common Stock Shares Issued

us-gaap:CommonStockSharesIssued

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-07-04	2015-04-04	2015-01-03	2014-09-27	2014-06-28	2014-03-29	2013-12-28	2013-09-28	2013-06-29	2013-03-30	2012-12-29	2012-09-29	2012-06-30	2012-03-31	2011-12-31	2011-10-01	2011-07-02	2011-04-02	2011-01-01	2010-01-02
Value	44	44	43	43	43	43	43	43	43	43	43	43	43	43	42	42	42	42	41	41	41	41	41	41	42	42	42	42	43	43	42	43	42	42	41	41	41	42	42	41	44	44	43	45
Percentage of CommonStockSharesIssued	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0

Preferred Stock Shares Authorized

us-gaap:PreferredStockSharesAuthorized

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-07-04	2015-04-04	2015-01-03	2014-09-27	2014-06-28	2014-03-29	2013-12-28	2013-09-28	2013-06-29	2013-03-30	2012-12-29	2012-09-29	2012-06-30	2012-03-31	2011-12-31	2011-10-01	2011-07-02	2011-04-02	2011-01-01	2010-01-02
Value	10000000.0	10000000.0	10000000.0	10000000.0	10000000.0	10000000.0	10000000.0	10000000.0	10000000.0	10000000.0	10000000.0	10000000.0	10000000.0	10000000.0	10000000.0	10000.0	10000000.0	10000000.0	10000000.0	10000000.0	10000000.0	10000000.0	10000000.0	10000000.0	10000000.0	10000000.0	10000000.0	10000000.0	10000000.0	10000000.0	10000000.0	10000000.0	10000000.0	10000000.0	10000000.0	10000000.0	10000000.0	10000000.0	10000000.0	10000000.0	10000000.0	10000000.0	10000000.0	10000000.0
Percentage of PreferredStockSharesAuthorized	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0

Common Stock Shares Outstanding

us-gaap:CommonStockSharesOutstanding

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-07-04	2015-04-04	2015-01-03	2014-09-27	2014-06-28	2014-03-29	2013-12-28	2013-09-28	2013-06-29	2013-03-30	2012-12-29	2012-09-29	2012-06-30	2012-03-31	2011-12-31	2011-10-01	2011-07-02	2011-04-02	2011-01-01	2010-01-02
Value	44	44	43	43	43	43	43	43	43	43	43	43	43	43	42	42	42	42	41	41	41	41	41	41	42	42	42	42	43	43	42	43	42	42	41	41	41	42	42	41	44	44	43	45
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	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0

us-gaap:CommonStockSharesOutstanding us-gaap:StatementEquityComponents

us-gaap:CommonStock

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2016-12-31	2016-01-02	2015-01-03	2013-12-28	2012-12-29	2011-12-31	2011-01-01	2010-01-02	2009-01-03
Value	44	44	43	43	43	43	43	43	43	0.043341	43	43	43	0.043227	42	41	41	42	42	41	42	43	45	44
Percentage of CommonStockSharesOutstanding	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	0.1	100.0	100.0	100.0	0.1	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	0.0

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

Period End	2021-07-03	2021-04-03	2020-10-03	2020-07-04	2020-04-04	2019-09-28	2019-06-29	2019-03-30	2018-09-29	2018-06-30	2018-03-31	2017-09-30	2017-07-01	2017-04-01	2016-10-01	2016-07-02	2016-04-02	2015-10-03	2015-07-04	2015-04-04	2014-09-27	2014-06-28	2014-03-29	2013-09-28	2013-06-29	2013-03-30	2012-09-29	2012-06-30	2012-03-31	2011-10-01	2011-07-02	2011-04-02	2010-10-02	2010-07-03	2010-04-03
Value	45	45	44	43	44	44	43	43	44	44	43	43	43	43	42	42	42	42	43	43	43	44	44	43	43	43	42	43	43	43	45	44	46	47	47
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

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

Period End	2021-07-03	2021-04-03	2020-10-03	2020-07-04	2020-04-04	2019-09-28	2019-06-29	2019-03-30	2018-09-29	2018-06-30	2018-03-31	2017-09-30	2017-07-01	2017-04-01	2016-10-01	2016-07-02	2016-04-02	2015-10-03	2015-07-04	2015-04-04	2014-09-27	2014-06-28	2014-03-29	2013-09-28	2013-06-29	2013-03-30	2012-09-29	2012-06-30	2012-03-31	2011-10-01	2011-07-02	2011-04-02	2010-10-02	2010-07-03	2010-04-03
Value	44	44	43	43	43	43	43	43	43	43	42	42	42	42	41	41	41	42	42	42	43	43	43	42	42	42	41	42	42	42	44	44	44	45	45
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

Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

Period End	2020-07-04	2019-06-29	2019-03-30	2018-03-31	2017-09-30	2017-07-01	2017-04-01	2016-10-01	2016-07-02	2016-04-02	2015-10-03	2015-07-04	2015-04-04	2014-09-27	2014-06-28	2014-03-29	2013-09-28	2013-06-29	2013-03-30	2012-09-29	2012-06-30	2012-03-31	2011-10-01	2011-07-02	2011-04-02	2010-10-02	2010-07-03
Value	300000.0	600000.0	500000.0	0	0	0	300000.0	100000.0	200000.0	800000.0	100000.0	100000.0	100000.0	100000.0	100000.0	200000.0	500000.0	500000.0	600000.0	800000.0	1200000.0	300000.0	1400000.0	500000.0	300000.0	800000.0	600000.0
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	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	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities

us-gaap:StockCompensationPlan

Period End	2021-07-03	2020-07-04	2020-04-04	2019-06-29	2019-03-30
Value	0	400000.0	200000.0	0	500000.0
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0.0	133.3	0.0	0.0	100.0

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-07-04	2015-04-04	2014-09-27	2014-06-28	2014-03-29	2013-12-28	2013-09-28	2013-06-29	2013-03-30	2012-12-29	2012-09-29	2012-06-30	2012-03-31	2011-12-31	2011-10-01	2011-07-02	2011-04-02	2011-01-01	2010-10-02	2010-07-03	2010-04-03
Value	0.44	0.31	0.21	0.07	-0.04	0.05	0.22	0.47	-0.37	0.12	0.35	0.64	0.33	0.61	-0.12	0.47	0.39	0.37	0.48	0.48	0.37	0.14	0.14	0.24	0.18	0.15	0.13	0.33	0.19	0.25	0.15	0.3	0.47	0.45	0.24	0.48	0.34	0.3	0.26	0.3	-0.04	0.29	0.41	0.46	0.46
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

Earnings Per Share Diluted

us-gaap:EarningsPerShareDiluted

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-07-04	2015-04-04	2014-09-27	2014-06-28	2014-03-29	2013-12-28	2013-09-28	2013-06-29	2013-03-30	2012-12-29	2012-09-29	2012-06-30	2012-03-31	2011-12-31	2011-10-01	2011-07-02	2011-04-02	2011-01-01	2010-10-02	2010-07-03	2010-04-03
Value	0.44	0.29	0.2	0.07	-0.04	0.05	0.21	0.45	-0.37	0.12	0.35	0.63	0.32	0.6	-0.11	0.46	0.38	0.36	0.47	0.47	0.37	0.14	0.14	0.23	0.17	0.15	0.13	0.32	0.18	0.24	0.15	0.29	0.46	0.43	0.24	0.47	0.33	0.29	0.26	0.29	-0.04	0.29	0.4	0.44	0.44
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

Income Loss From Continuing Operations Per Basic Share

us-gaap:IncomeLossFromContinuingOperationsPerBasicShare

Period End	2021-07-03	2020-07-04
Value	-0.41	-0.82
Percentage of IncomeLossFromContinuingOperationsPerBasicShare	100.0	100.0

Income Loss From Continuing Operations Per Diluted Share

us-gaap:IncomeLossFromContinuingOperationsPerDilutedShare

Period End	2021-07-03	2020-07-04
Value	-0.41	-0.82
Percentage of IncomeLossFromContinuingOperationsPerDilutedShare	100.0	100.0

Allocated Share Based Compensation Expense

us-gaap:AllocatedShareBasedCompensationExpense

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-07-04	2015-04-04	2014-09-27	2014-06-28	2014-03-29	2013-12-28	2013-09-28	2013-06-29	2013-03-30	2012-12-29	2012-09-29	2012-06-30	2012-03-31	2011-12-31	2011-10-01	2011-07-02	2011-04-02	2011-01-01	2010-10-02	2010-07-03
Value	11	13	15	14	14	15	14	13	13	12	13	12	12	12	11	11	11	10	9.571	9.195	10	10	11	9.222	11	10	9.614	9.282	9.277	8.496	8.62	7.424	6.26	7.38	7.931	9.172	6.693	8.891	9.15	8.601	9.473	9.063	10	10
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	100.0	100.0	100.0	100.0	100.0	100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax	6.6	5.4	0.0	6.6	7.0	7.1	0.0	6.2	6.6	6.7	0.0	5.5	5.6	5.9	0.0	5.7	5.9	5.9	0.0	5.2	6.0	6.4	0.0	5.9	6.7	6.4	6.1	6.0	6.4	0.0	5.9	5.2	4.3	0.0	5.3	6.8	5.3	0.0	7.7	6.8	7.9	0.0	8.6	7.9

us-gaap:AllocatedShareBasedCompensationExpense us-gaap:IncomeStatementLocation

us-gaap:CostOfSales

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-07-04	2015-04-04	2014-09-27	2014-06-28	2014-03-29	2013-12-28	2013-09-28	2013-06-29	2013-03-30	2012-12-29	2012-09-29
Value	0.199	0.337	0.376	0.39	0.376	0.335	0.327	0.344	0.326	0.318	0.324	0.324	0.294	0.296	0.287	0.281	0.264	0.258	0.263	0.272	0.269	0.266	0.252	0.249	0.229	0.23	0.201	0.178	0.195	0.167	0.269	0.263	0.253	0.268	0.261
Percentage of AllocatedShareBasedCompensationExpense	1.8	2.4	2.4	2.7	2.6	2.2	2.2	2.5	2.4	2.5	2.5	2.6	2.4	2.4	2.4	2.5	2.4	2.5	2.7	3.0	2.6	2.6	2.1	2.7	2.1	2.2	2.1	1.9	2.1	2.0	3.1	3.5	4.0	3.6	3.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax	0.1	0.1	0.0	0.2	0.2	0.2	0.0	0.2	0.2	0.2	0.0	0.1	0.1	0.1	0.0	0.1	0.1	0.1	0.0	0.2	0.2	0.2	0.0	0.2	0.1	0.1	0.1	0.1	0.1	0.0	0.2	0.2	0.2	0.0	0.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:CostOfSales	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0

us-gaap:ResearchAndDevelopmentExpense

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-07-04	2015-04-04	2014-09-27	2014-06-28	2014-03-29	2013-12-28	2013-09-28	2013-06-29	2013-03-30	2012-12-29	2012-09-29
Value	5.488	7.024	7.386	7.384	7.072	7.37	7.157	6.474	6.459	6.097	6.413	6.016	5.669	5.769	5.61	5.411	5.503	5.246	4.878	4.58	5.205	4.91	5.073	4.623	4.96	4.795	4.713	4.327	4.241	3.979	3.729	3.483	3.339	3.007	3.039
Percentage of AllocatedShareBasedCompensationExpense	48.8	50.8	46.9	50.7	48.9	48.1	48.5	47.0	47.3	48.5	48.6	47.8	46.8	47.3	47.8	47.7	49.3	50.0	51.0	49.8	49.5	47.5	42.3	50.1	44.9	45.6	49.0	46.6	45.7	46.8	43.3	46.9	53.3	40.7	38.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax	3.2	2.7	0.0	3.3	3.4	3.4	0.0	2.9	3.1	3.2	0.0	2.6	2.6	2.8	0.0	2.7	2.9	2.9	0.0	2.6	3.0	3.0	0.0	3.0	3.0	2.9	3.0	2.8	2.9	0.0	2.5	2.5	2.3	0.0	2.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ResearchAndDevelopmentExpense	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0

us-gaap:SellingGeneralAndAdministrativeExpenses

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-07-04	2015-04-04	2014-09-27	2014-06-28	2014-03-29	2013-12-28	2013-09-28
Value	5.565	6.465	8.0	6.785	7.009	7.608	7.273	6.97	6.884	6.169	6.447	6.242	6.156	6.127	5.848	5.663	5.399	4.982	4.43	4.343	5.044	5.168	6.668	4.35	5.868	5.494	4.7	4.777	4.841	4.35	4.622
Percentage of AllocatedShareBasedCompensationExpense	49.5	46.8	50.8	46.6	48.5	49.7	49.3	50.6	50.4	49.0	48.9	49.6	50.8	50.3	49.8	49.9	48.4	47.5	46.3	47.2	48.0	50.0	55.6	47.2	53.1	52.2	48.9	51.5	52.2	51.2	53.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax	3.3	2.5	0.0	3.1	3.4	3.5	0.0	3.1	3.3	3.3	0.0	2.7	2.8	3.0	0.0	2.8	2.8	2.8	0.0	2.4	2.9	3.2	0.0	2.8	3.6	3.4	3.0	3.1	3.3	0.0	3.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:SellingGeneralAndAdministrativeExpenses	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-07-04	2015-04-04	2014-09-27	2014-06-28	2014-03-29	2013-12-28	2013-09-28	2013-06-29	2013-03-30	2012-12-29	2012-09-29	2012-06-30	2012-03-31	2011-12-31	2011-10-01	2011-07-02	2011-04-02	2011-01-01	2010-10-02
Value	19	11	8.902	2.411	1.119	1.267	9.755	19	-14.888	6.721	15	28	14	25	-5.674	20	16	14	21	20	15	5.502	5.77	9.885	7.457	6.049	6.097	14	8.38	10	6.679	12	20	18	10	20	14	12	11	13	-1.728	12	18
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	100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax	11.6	4.7	0.0	1.1	0.5	0.6	0.0	8.9	-7.2	3.6	0.0	12.2	6.6	12.6	0.0	10.1	8.8	8.0	0.0	11.3	8.9	3.4	0.0	6.3	4.5	3.7	3.9	9.1	5.8	0.0	4.5	8.9	13.8	0.0	7.2	15.2	11.9	0.0	9.8	10.9	-1.4	0.0	15.3

Cost Of Revenue

us-gaap:CostOfRevenue

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31
Value	73	104	100	91	81	85	86	89	79	72	85	94	85	81
Percentage of CostOfRevenue	100.0	100.0	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	43.2	41.1	0.0	41.2	39.1	39.9	0.0	39.9	38.5	38.4	0.0	41.1	39.5	39.5

Gains Losses On Extinguishment Of Debt

us-gaap:GainsLossesOnExtinguishmentOfDebt

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03
Value	0	-3370000.0	-83000.0	-292000.0
Percentage of GainsLossesOnExtinguishmentOfDebt	0.0	100.0	100.0	100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax	0.0	-1.3	0.0	-0.1

us-gaap:GainsLossesOnExtinguishmentOfDebt us-gaap:DebtInstrument, us-gaap:IncomeStatementLocation

slab:ConvertibleSeniorNotes1.375Percent, us-gaap:InterestExpense

Period End	2021-01-02	2020-07-04
Value	-8100000.0	3700000.0
Percentage of GainsLossesOnExtinguishmentOfDebt	9759.0	0.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax	0.0	1.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax slab:ConvertibleSeniorNotes1.375Percent us-gaap:InterestExpense	0.0	0.0

us-gaap:GainsLossesOnExtinguishmentOfDebt us-gaap:StatementScenario, us-gaap:DebtInstrument, us-gaap:IncomeStatementLocation

slab:ConversionOfNotesHolders, slab:ConvertibleSeniorNotes1.375Percent, us-gaap:InterestExpense

Period End	2021-04-03
Value	3400000.0
Percentage of GainsLossesOnExtinguishmentOfDebt	-100.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax	1.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax slab:ConversionOfNotesHolders slab:ConvertibleSeniorNotes1.375Percent us-gaap:InterestExpense	0.0

Gross Profit

us-gaap:GrossProfit

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-07-04	2015-04-04	2014-09-27	2014-06-28	2014-03-29	2013-12-28	2013-09-28	2013-06-29	2013-03-30	2012-12-29	2012-09-29	2012-06-30	2012-03-31	2011-12-31	2011-10-01	2011-07-02	2011-04-02	2011-01-01	2010-10-02	2010-07-03	2010-04-03
Value	96	150	141	130	126	129	133	134	127	115	130	135	131	124	119	116	113	105	109	108	108	95	93	93	97	96	96	98	87	88	88	88	87	93	86	82	75	77	72	76	72	71	78	90	83
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
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax	56.8	58.9	0.0	58.8	60.9	60.1	0.0	60.1	61.5	61.6	0.0	58.9	60.5	60.5	0.0	58.7	59.5	58.7	0.0	60.8	61.9	59.0	0.0	59.8	59.1	58.9	60.8	63.7	59.8	0.0	60.0	62.7	60.1	0.0	57.9	61.0	59.7	0.0	61.2	60.4	60.3	0.0	65.5	67.5	66.0

Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

Period End	2021-07-03	2020-07-04	2017-09-30	2017-07-01	2017-04-01	2016-10-01	2016-07-02	2016-04-02	2015-10-03	2015-07-04	2015-04-04
Value	-17.326	-40.274	22	17	13	21	17	6.073	10	8.531	7.067
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	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	-10.2	-19.4	11.1	9.4	7.5	12.0	9.9	3.7	6.7	5.2	4.3

Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments

Period End	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-01-02	2015-10-03	2015-07-04	2015-04-04	2014-09-27	2014-06-28	2014-03-29	2013-12-28	2013-09-28	2013-06-29	2013-03-30	2012-12-29	2012-09-29	2012-06-30	2012-03-31	2011-12-31	2011-10-01	2011-07-02	2011-04-02	2011-01-01	2010-10-02	2010-07-03	2010-04-03
Value	13	12	3.062	-1.442	1.657	11	21	13	2.918	13	22	14	22	23	22	17	13	4.223	10	8.531	7.067	9.109	20	9.58	13	9.783	18	20	24	27	17	17	15	14	16	5.714	11	19	30	26
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
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax	5.4	0.0	1.4	-0.7	0.8	0.0	9.8	6.4	1.6	0.0	9.7	6.8	10.7	0.0	11.1	9.4	7.5	0.0	6.7	5.2	4.3	5.8	13.0	6.6	0.0	6.7	13.0	13.8	0.0	18.1	13.1	13.6	0.0	11.9	13.2	4.8	0.0	16.2	22.8	20.5

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome

Period End	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2016-01-02	2015-10-03	2015-07-04	2015-04-04	2014-09-27	2014-06-28	2014-03-29	2013-12-28	2013-09-28	2013-06-29	2012-12-29	2012-09-29
Value	0.191	-0.161	-0.041	-0.149	0.014	-0.194	-0.237	-0.152	-0.131	-0.033	-0.049	0.0	0.0	-0.113	-0.165	-0.081	-0.14	-0.142	-0.143	-0.143	-0.142	-0.096	0.091	-0.098	-1.317
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	6.2	11.2	-2.5	-1.3	0.1	-1.5	-8.1	-1.2	-0.6	-0.2	-0.2	0.0	0.0	-2.7	-1.6	-0.9	-2.0	-1.6	-0.7	-1.5	-1.0	-1.0	0.5	-0.4	-4.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax	0.1	-0.1	-0.0	0.0	0.0	-0.1	-0.1	0.0	-0.1	-0.0	-0.0	0.0	0.0	0.0	-0.1	-0.0	-0.1	-0.1	-0.1	-0.1	0.0	-0.1	0.1	0.0	-0.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0

Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest

us-gaap:IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest

Period End	2021-07-03	2020-07-04
Value	-18491000.0	-36045000.0
Percentage of IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	100.0	100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax	-10.9	-17.4

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-07-04	2015-04-04	2014-09-27	2014-06-28	2014-03-29	2013-12-28	2013-09-28	2013-06-29	2013-03-30	2012-12-29	2012-09-29	2012-06-30	2012-03-31	2011-12-31	2011-10-01	2011-07-02	2011-04-02	2011-01-01	2010-10-02	2010-07-03	2010-04-03
Value	1.165	0.201	3.076	-0.1	0.381	-0.587	1.903	1.685	29	-2.48	-2.047	-5.454	0.442	-4.371	28	2.178	1.261	-1.97	-0.317	1.344	1.71	0.265	-1.435	0.467	0.956	0.689	3.501	5.937	1.47	3.06	3.252	5.852	0.044	5.669	17	-2.72	2.797	2.974	2.976	3.244	7.674	-1.377	1.237	9.625	4.932
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
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax	0.7	0.1	0.0	-0.0	0.2	-0.3	0.0	0.8	14.2	-1.3	0.0	-2.4	0.2	-2.1	0.0	1.1	0.7	-1.1	0.0	0.8	1.0	0.2	0.0	0.3	0.6	0.4	2.2	3.8	1.0	0.0	2.2	4.1	0.0	0.0	11.4	-2.0	2.2	0.0	2.5	2.6	6.4	0.0	1.0	7.2	3.9

us-gaap:IncomeTaxExpenseBenefit us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome

Period End	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-07-04	2015-04-04	2014-09-27	2014-06-28	2014-03-29	2013-12-28	2013-09-28	2013-06-29	2012-12-29	2012-09-29
Value	0.04	-0.034	-0.009	-0.031	0.003	-0.041	-0.05	-0.032	-0.028	-0.007	-0.01	0.0	0.0	0.0	0.633	-0.02	-0.022	-0.022	-0.023	-0.04	-0.058	-0.028	-0.049	-0.05	-0.05	-0.05	-0.05	-0.033	0.032	-0.034	-0.461
Percentage of IncomeTaxExpenseBenefit	-40.0	-8.9	1.5	-1.6	0.2	-0.1	2.0	1.6	0.5	-1.6	0.2	0.0	0.0	0.0	-32.1	6.3	-1.6	-1.3	-8.7	2.8	-12.4	-2.9	-7.1	-1.4	-0.8	-3.4	-1.6	-1.0	0.5	-0.6	-2.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax	0.0	-0.0	-0.0	0.0	0.0	-0.0	-0.0	0.0	-0.0	-0.0	-0.0	0.0	0.0	0.0	0.4	0.0	-0.0	-0.0	-0.0	0.0	-0.0	-0.0	-0.0	-0.0	-0.0	-0.0	0.0	-0.0	0.0	0.0	-0.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0

Interest Expense

us-gaap:InterestExpense

Period End	2021-07-03	2021-04-03	2020-07-04	2020-04-04	2016-12-31	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-07-04	2015-04-04	2014-09-27	2014-06-28	2014-03-29	2013-12-28	2013-09-28	2013-06-29	2013-03-30	2012-12-29	2012-09-29	2012-06-30	2012-03-31	2011-12-31	2011-10-01	2011-07-02	2011-04-02	2011-01-01	2010-10-02	2010-07-03	2010-04-03
Value	6.486	11	11	5.541	0.648	0.643	0.641	0.655	0.668	0.687	0.728	0.745	0.768	0.78	0.798	0.807	0.813	0.831	0.842	0.85	0.234	0.032	0.033	0.023	0.004	0.005	0.005	0.011	0.021	0.022	0.023
Percentage of InterestExpense	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	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	3.8	4.4	5.7	2.6	0.0	0.4	0.4	0.4	0.0	0.4	0.4	0.5	0.5	0.5	0.5	0.0	0.6	0.6	0.6	0.0	0.2	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0

us-gaap:InterestExpense us-gaap:DebtInstrument

us-gaap:ConvertibleNotesPayable

Period End	2020-07-04	2019-06-29
Value	5.997	4.697
Percentage of InterestExpense	50.9	0.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax	2.9	2.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConvertibleNotesPayable	0.0	0.0

us-gaap:InterestExpense us-gaap:LongtermDebtType

us-gaap:ConvertibleNotesPayable

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28
Value	6.202	7.619	7.811	7.952	5.997	5.203	4.829	4.732
Percentage of InterestExpense	95.6	67.3	0.0	0.0	50.9	93.9	0.0	0.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax	3.7	3.0	0.0	3.6	2.9	2.4	0.0	2.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConvertibleNotesPayable	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0

Net Income Loss Available To Common Stockholders Basic

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-07-04	2015-04-04	2014-09-27	2014-06-28	2014-03-29	2013-12-28	2013-09-28	2013-06-29	2013-03-30	2012-12-29	2012-09-29	2012-06-30	2012-03-31	2011-12-31	2011-10-01	2011-07-02	2011-04-02	2011-01-01	2010-10-02
Value	19	13	8.948	3.162	-1.823	2.244	9.715	20	-16.029	5.398	15	27	14	26	-4.852	19	16	15	20	20	15	5.808	5.658	9.975	7.575	6.378	5.608	14	8.11	10	6.531	12	20	18	10	20	14	12	11	13	-1.96	12	18
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	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	11.8	5.3	0.0	1.4	-0.9	1.0	0.0	9.0	-7.8	2.9	0.0	12.1	6.6	12.9	0.0	10.0	8.7	8.6	0.0	11.2	8.9	3.6	0.0	6.4	4.6	3.9	3.5	9.2	5.6	0.0	4.4	8.9	13.8	0.0	6.7	15.1	11.4	0.0	9.5	10.6	-1.6	0.0	15.2

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome

Period End	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-07-04	2015-04-04	2014-09-27	2014-06-28	2014-03-29	2013-12-28	2013-09-28	2013-06-29	2012-12-29	2012-09-29
Value	0.151	-0.127	-0.032	-0.118	0.011	-0.153	-0.187	-0.12	-0.103	-0.026	-0.039	0.0	0.0	0.0	1.175	-0.038	-0.042	-0.039	-0.043	-0.073	-0.107	-0.053	-0.091	-0.092	-0.093	-0.093	-0.092	-0.063	0.059	-0.064	-0.856
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic	4.8	7.0	-1.4	-1.2	0.1	1.0	-3.5	-0.8	-0.4	-0.2	-0.1	-0.0	0.0	0.0	7.6	-0.2	-0.2	-0.3	-0.7	-1.3	-1.1	-0.7	-1.4	-1.6	-0.7	-1.1	-0.9	-1.0	0.5	-0.3	-8.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax	0.1	-0.1	-0.0	0.0	0.0	-0.1	-0.1	0.0	-0.0	-0.0	-0.0	0.0	0.0	0.0	0.7	0.0	-0.0	-0.0	-0.0	0.0	-0.1	-0.0	-0.1	-0.1	-0.1	-0.1	0.0	-0.0	0.0	0.0	-0.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31
Value	19	13	8.948	3.162	-1.823	2.244	9.715	20	-16.029	5.398	15	27	14	26
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic	100.0	100.0	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	11.8	5.3	0.0	1.4	-0.9	1.0	0.0	9.0	-7.8	2.9	0.0	12.1	6.6	12.9
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	0.0	0.0	0.0

Operating Expenses

us-gaap:OperatingExpenses

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-07-04	2015-04-04	2014-09-27	2014-06-28	2014-03-29	2013-12-28	2013-09-28	2013-06-29	2013-03-30	2012-12-29	2012-09-29	2012-06-30	2012-03-31	2011-12-31	2011-10-01	2011-07-02	2011-04-02	2011-01-01	2010-10-02	2010-07-03	2010-04-03
Value	107	128	124	120	119	125	120	110	112	110	111	110	113	100	92	91	92	92	89	86	90	88	88	82	88	89	86	77	77	74	77	69	66	68	59	66	58	61	58	60	67	60	59	60	57
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
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax	63.6	50.3	0.0	54.4	57.5	58.3	0.0	49.4	54.4	58.9	0.0	48.0	52.2	48.9	0.0	46.1	48.5	51.7	0.0	48.6	51.8	54.7	0.0	52.6	53.6	54.5	54.7	50.3	52.9	0.0	52.9	49.3	45.9	0.0	39.7	49.0	46.4	0.0	49.5	47.7	56.2	0.0	49.4	44.8	45.7

us-gaap:OperatingExpenses us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedGainLossNetCashFlowHedgeParent

Period End	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30
Value	0.062	0.282	0.141	-1.389	0.174	0.194	0.237	-0.48	0.131	0.033
Percentage of OperatingExpenses	0.1	0.2	0.1	-1.2	0.2	0.2	0.2	-0.4	0.1	0.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax	0.0	0.1	0.1	0.0	0.1	0.1	0.1	0.0	0.1	0.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedGainLossNetCashFlowHedgeParent	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0

Operating Income Loss

us-gaap:OperatingIncomeLoss

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-07-04	2015-04-04	2014-09-27	2014-06-28	2014-03-29	2013-12-28	2013-09-28	2013-06-29	2013-03-30	2012-12-29	2012-09-29	2012-06-30	2012-03-31	2011-12-31	2011-10-01	2011-07-02	2011-04-02	2011-01-01	2010-10-02	2010-07-03	2010-04-03
Value	-11.487	22	17	9.622	7.069	3.947	13	23	14	5.092	18	25	18	23	26	24	20	12	20	21	17	6.848	4.796	11	9.003	7.212	9.604	20	10	14	10	19	20	25	27	16	16	15	13	15	4.939	11	19	30	25
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
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax	-6.8	8.7	0.0	4.3	3.4	1.8	0.0	10.7	7.0	2.7	0.0	10.9	8.3	11.5	0.0	12.6	11.0	7.1	0.0	12.2	10.1	4.2	0.0	7.2	5.5	4.4	6.1	13.4	6.9	0.0	7.1	13.4	14.2	0.0	18.2	12.1	13.3	0.0	11.7	12.7	4.1	0.0	16.1	22.8	20.3

Profit Loss

us-gaap:ProfitLoss

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2011-07-02	2011-04-02	2010-07-03	2010-04-03
Value	19	13	8.948	3.162	-1.823	2.244	9.715	20	-16.029	5.398	15	27	14	26	-4.852	19	16	15	20	20	13	-1.96	21	21
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
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax	11.8	5.3	0.0	1.4	-0.9	1.0	0.0	9.0	-7.8	2.9	0.0	12.1	6.6	12.9	0.0	10.0	8.7	8.6	0.0	11.2	10.6	-1.6	15.6	16.6

Research And Development Expense

us-gaap:ResearchAndDevelopmentExpense

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-07-04	2015-04-04	2014-09-27	2014-06-28	2014-03-29	2013-12-28	2013-09-28	2013-06-29	2013-03-30	2012-12-29	2012-09-29	2012-06-30	2012-03-31
Value	64	76	73	71	70	71	69	62	63	61	62	61	59	54	52	52	52	52	50	48	51	49	47	46	47	46	42	41	42	42	40	37	37	36	34	34	32
Percentage of ResearchAndDevelopmentExpense	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	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	38.3	29.9	0.0	32.5	34.1	33.1	0.0	28.0	30.9	32.7	0.0	26.5	27.4	26.7	0.0	26.2	27.6	29.2	0.0	27.2	29.5	30.3	0.0	29.8	28.8	28.6	26.9	27.0	29.2	0.0	27.7	26.4	25.9	0.0	23.3	25.2	26.2

Revenue From Contract With Customer Excluding Assessed Tax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-07-04	2015-04-04	2014-09-27	2014-06-28	2014-03-29	2013-12-28	2013-09-28	2013-06-29	2013-03-30	2012-12-29	2012-09-29	2012-06-30	2012-03-31	2011-12-31	2011-10-01	2011-07-02	2011-04-02	2011-01-01	2010-10-02	2010-07-03	2010-04-03
Value	169	255	242	221	207	214	219	223	206	188	215	230	217	205	201	198	190	179	182	178	174	162	160	156	164	163	158	154	145	146	146	141	145	152	149	135	125	126	119	126	119	111	120	134	126
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
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

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ContractWithCustomerSalesChannel

us-gaap:SalesChannelDirectlyToConsumer

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01
Value	31	53	49	48	40	51	57	59	55	53	66	64	63	55	54	59	54	53
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax	18.6	20.8	20.5	22.1	19.5	23.9	26.4	26.8	26.9	28.7	31.1	27.9	29.1	26.8	27.3	29.7	28.6	29.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax	18.6	20.8	20.5	22.1	19.5	23.9	26.4	26.8	26.9	28.7	31.1	27.9	29.1	26.8	27.3	29.7	28.6	29.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:SalesChannelDirectlyToConsumer	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0

us-gaap:SalesChannelThroughIntermediary

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01
Value	137	202	193	172	167	163	161	163	151	134	148	166	154	150	146	139	135	125
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax	81.4	79.2	79.5	77.9	80.5	76.1	73.6	73.2	73.1	71.3	68.9	72.1	70.9	73.2	72.7	70.3	71.4	70.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax	81.4	79.2	79.5	77.9	80.5	76.1	73.6	73.2	73.1	71.3	68.9	72.1	70.9	73.2	72.7	70.3	71.4	70.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:SalesChannelThroughIntermediary	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService

slab:InfrastructureAndAutomotive

Period End	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30
Value	97	95	88	92	96	91	93	82	81
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax	38.1	39.3	39.8	44.6	45.1	41.8	42.0	39.7	43.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax	38.1	39.3	39.8	44.6	45.1	41.8	42.0	39.7	43.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax slab:InfrastructureAndAutomotive	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0

slab:InternetOfThings

Period End	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01
Value	158	147	133	115	118	127	129	124	106	119	125	116	103	109	99	97	87
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax	61.9	60.7	60.2	55.4	54.9	58.2	58.0	60.3	56.6	55.4	54.5	53.4	50.2	54.5	50.3	51.4	49.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax	61.9	60.7	60.2	55.4	54.9	58.2	58.0	60.3	56.6	55.4	54.5	53.4	50.2	54.5	50.3	51.4	49.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax slab:InternetOfThings	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0

Revenues

us-gaap:Revenues

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-07-04	2015-04-04	2014-09-27	2014-06-28	2014-03-29	2013-12-28	2013-09-28	2013-06-29	2013-03-30	2012-12-29	2012-09-29	2012-06-30	2012-03-31	2011-12-31	2011-10-01	2011-07-02	2011-04-02	2011-01-01	2010-10-02	2010-07-03	2010-04-03
Value	169	255	242	221	207	214	219	223	206	188	215	230	217	205	201	198	190	179	182	178	174	162	160	156	164	163	158	154	145	146	146	141	145	152	149	135	125	126	119	126	119	111	120	134	126
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
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

Selling General And Administrative Expense

us-gaap:SellingGeneralAndAdministrativeExpense

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-07-04	2015-04-04	2014-09-27	2014-06-28	2014-03-29	2013-12-28	2013-09-28	2013-06-29	2013-03-30	2012-12-29	2012-09-29	2012-06-30	2012-03-31	2011-12-31	2011-10-01	2011-07-02	2011-04-02	2011-01-01	2010-10-02	2010-07-03	2010-04-03
Value	42	51	50	48	48	53	50	47	48	49	48	49	53	45	40	39	39	40	38	38	39	39	41	35	40	42	43	36	34	32	37	32	29	32	24	32	25	27	27	26	31	27	28	29	28
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
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax	25.3	20.3	20.8	21.9	23.3	25.1	23.2	21.4	23.5	26.2	22.7	21.5	24.8	22.2	20.0	19.9	21.0	22.4	21.2	21.4	22.3	24.5	25.9	22.9	24.8	25.8	27.8	23.2	23.8	22.1	25.2	22.9	20.1	21.2	16.4	23.7	20.2	21.5	22.9	20.6	26.6	24.5	23.8	22.1	22.1

Assets

us-gaap:Assets

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-07-04	2015-04-04	2015-01-03	2014-09-27	2014-06-28	2014-03-29	2013-12-28	2013-09-28	2013-06-29	2013-03-30	2012-12-29	2012-09-29	2012-06-30	2012-03-31	2011-12-31	2011-10-01	2011-07-02	2011-04-02	2011-01-01	2010-01-02
Value	1896	1870	1993	1943	1923	1971	1674	1637	1602	1621	1624	1604	1592	1565	1535	1477	1434	1399	1081	1030	992	998	1011	978	1035	1021	1042	1014	1024	1010	991	999	913	896	871	855	721	732	705	677	744	733	727	742
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

Liabilities

us-gaap:Liabilities

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-07-04	2015-04-04	2015-01-03	2014-09-27	2014-06-28	2014-03-29	2013-12-28	2013-09-28	2013-06-29	2013-03-30	2012-12-29	2012-09-29	2012-06-30	2012-03-31	2011-12-31	2011-10-01	2011-07-02	2011-04-02	2011-01-01	2010-01-02
Value	668	663	793	773	766	871	559	553	551	564	557	556	564	565	582	534	522	520	254	242	231	248	250	236	249	257	284	264	246	248	252	265	207	215	221	233	104	109	107	106	107	103	102	113
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	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0
Percentage of Assets	35.2	35.5	39.8	39.8	39.8	44.2	33.4	33.8	34.4	34.8	34.3	34.7	35.4	36.1	37.9	36.2	36.4	37.2	23.6	23.5	23.3	24.9	24.8	24.2	24.1	25.2	27.3	26.1	24.1	24.6	25.5	26.6	22.7	24.1	25.5	27.3	14.4	14.9	15.2	15.7	14.5	14.1	14.0	15.2

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-07-04	2015-04-04	2015-01-03	2014-09-27	2014-06-28	2014-03-29	2013-12-28	2013-09-28	2013-06-29	2013-03-30	2012-12-29	2012-09-29	2012-06-30	2012-03-31	2011-12-31	2011-10-01	2011-07-02	2011-04-02	2011-01-01	2010-01-02
Value	1896	1870	1993	1943	1923	1971	1674	1637	1602	1621	1624	1604	1592	1565	1535	1477	1434	1399	1081	1030	992	998	1011	978	1035	1021	1042	1014	1024	1010	991	999	913	896	871	855	721	732	705	677	744	733	727	742
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

Stockholders Equity

us-gaap:StockholdersEquity

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-07-04	2015-04-04	2015-01-03	2014-09-27	2014-06-28	2014-03-29	2013-12-28	2013-09-28	2013-06-29	2013-03-30	2012-12-29	2012-09-29	2012-06-30	2012-03-31	2011-12-31	2011-10-01	2011-01-01	2010-01-02	2009-01-03
Value	1227	1206	1199	1170	1157	1099	1115	1083	1051	1057	1067	1047	1028	1000	953	942	912	878	826	787	761	749	761	741	786	763	758	749	777	761	738	734	705	680	649	621	617	623	598	571	625	629	502
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
Percentage of Assets	64.8	64.5	60.2	60.2	60.2	55.8	66.6	66.2	65.6	65.2	65.7	65.3	64.6	63.9	62.1	63.8	63.6	62.8	76.4	76.5	76.7	75.1	75.2	75.8	75.9	74.8	72.7	73.9	75.9	75.4	74.5	73.4	77.3	75.9	74.5	72.7	85.6	85.1	84.8	84.3	86.0	84.8	0.0

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-04-01	2016-12-31	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-01-03	2013-12-28	2012-12-29	2011-12-31	2011-01-01	2010-01-02	2009-01-03
Value	-0.071	0.226	1.814	1.86	2.611	-0.331	0.646	0.606	0.89	-0.251	-1.574	-1.667	-1.96	-1.985	-1.157	-0.525	0.492	-0.609	-0.727	-0.813	-0.507	-0.619	-0.082	-0.684	-0.946	-2.467	-3.648	-4.356	-6.048
Percentage of StockholdersEquity	-0.0	0.0	0.2	0.2	0.2	-0.0	0.1	0.1	0.1	-0.0	-0.1	-0.2	-0.2	-0.2	-0.1	-0.1	0.1	-0.1	-0.1	-0.1	-0.1	-0.1	-0.0	-0.1	-0.1	-0.4	-0.6	-0.7	-1.2
Percentage of Assets	-0.0	0.0	0.1	0.1	0.1	-0.0	0.0	0.0	0.1	-0.0	-0.1	-0.1	-0.1	-0.1	-0.1	-0.0	0.0	-0.1	-0.1	-0.1	-0.1	-0.1	-0.0	-0.1	-0.1	-0.3	-0.5	-0.6	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	0.0	0.0	0.0	0.0

us-gaap:AdditionalPaidInCapital

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2016-12-31	2016-01-02	2015-01-03	2013-12-28	2012-12-29	2011-12-31	2011-01-01	2010-01-02	2009-01-03
Value	200	199	204	183	173	116	133	112	99	90	107	103	111	98	102	24	13	29	48	10	14	49	128	75
Percentage of StockholdersEquity	16.3	16.5	17.0	15.7	15.0	10.6	12.0	10.4	9.5	8.6	10.1	9.8	10.9	9.8	10.8	3.0	1.8	3.9	6.6	1.6	2.5	8.0	20.4	15.1
Percentage of Assets	10.6	10.7	10.3	9.4	9.0	5.9	8.0	6.9	6.2	5.6	6.6	6.4	7.0	6.3	6.7	2.3	1.4	2.8	4.9	1.2	2.1	6.9	17.3	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

us-gaap:CommonStock

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2016-12-31	2016-01-02	2015-01-03	2013-12-28	2012-12-29	2011-12-31	2011-01-01	2010-01-02	2009-01-03
Value	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.005	0.004
Percentage of StockholdersEquity	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	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	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	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

us-gaap:RetainedEarnings

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2016-12-31	2016-01-02	2015-01-03	2013-12-28	2012-12-29	2011-12-31	2011-01-01	2010-01-02	2009-01-03
Value	1027	1007	993	984	981	983	980	970	950	966	961	946	918	904	851	801	747	728	690	640	586	579	505	432
Percentage of StockholdersEquity	83.7	83.4	82.8	84.2	84.8	89.4	87.9	89.6	90.4	91.4	90.1	90.3	89.3	90.4	89.3	97.0	98.2	96.1	93.5	98.6	97.9	92.6	80.3	86.1
Percentage of Assets	54.2	53.8	49.8	50.7	51.0	49.9	58.5	59.3	59.3	59.6	59.2	59.0	57.7	57.7	55.5	74.1	73.9	69.9	69.7	73.5	83.1	79.6	68.1	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

Assets Current

us-gaap:AssetsCurrent

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-07-04	2015-04-04	2015-01-03	2014-09-27	2014-06-28	2014-03-29	2013-12-28	2013-09-28	2013-06-29	2013-03-30	2012-12-29	2012-09-29	2012-06-30	2012-03-31	2011-12-31	2011-10-01	2011-07-02	2011-04-02	2011-01-01	2010-01-02
Value	1161	860	975	937	917	1248	943	895	847	814	826	801	775	976	947	905	851	813	490	468	425	421	423	429	481	457	528	504	508	487	459	452	526	502	467	444	474	481	453	426	486	471	493	523
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	61.2	46.0	49.0	48.3	47.7	63.3	56.4	54.7	52.9	50.2	50.9	49.9	48.7	62.3	61.7	61.3	59.4	58.1	45.4	45.5	42.9	42.2	41.8	43.9	46.5	44.8	50.7	49.7	49.7	48.3	46.3	45.2	57.7	56.1	53.6	52.0	65.8	65.7	64.2	63.0	65.4	64.2	67.9	70.5

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-07-04	2015-04-04	2015-01-03	2014-09-27	2014-06-28	2014-03-29	2013-12-28	2013-09-28	2013-06-29	2013-03-30	2012-12-29	2012-09-29	2012-06-30	2012-03-31	2011-12-31	2011-10-01	2011-07-02	2011-04-02	2011-01-01	2010-10-02	2010-07-03	2010-04-03	2010-01-02	2009-01-03	2007-12-29
Value	303	205	202	230	277	615	227	237	189	231	197	225	194	342	269	236	210	225	141	148	101	126	114	135	125	112	141	111	93	128	95	116	193	79	105	125	173	98	94	108	134	118	138	107	80	152	195	172	264
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	16.0	11.0	10.2	11.9	14.4	31.2	13.6	14.5	11.8	14.3	12.1	14.0	12.2	21.9	17.5	16.0	14.7	16.1	13.0	14.4	10.2	12.7	11.3	13.9	12.1	11.0	13.6	11.0	9.1	12.7	9.7	11.7	21.2	8.8	12.1	14.7	24.1	13.4	13.5	16.0	18.1	16.2	19.0	0.0	0.0	0.0	26.3	0.0	0.0

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2016-12-31	2016-01-02
Value	303	205	202	230	277	615	227	237	189	231	197	225	194	342	269	236	141	114
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
Percentage of Assets	16.0	11.0	10.2	11.9	14.4	31.2	13.6	14.5	11.8	14.3	12.1	14.0	12.2	21.9	17.5	16.0	13.0	11.3

Short Term Investments

us-gaap:ShortTermInvestments

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-07-04	2015-04-04	2015-01-03	2014-09-27	2014-06-28	2014-03-29	2013-12-28	2013-09-28	2013-06-29	2013-03-30	2012-12-29	2012-09-29	2012-06-30	2012-03-31	2011-12-31	2011-10-01	2011-07-02	2011-04-02	2011-01-01
Value	314	367	521	491	445	442	498	457	452	382	416	376	347	417	494	482	451	396	153	131	142	126	128	112	147	148	193	216	235	194	179	153	151	229	176	148	138	235	212	174	198	203	227
Percentage of ShortTermInvestments	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	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	16.6	19.7	26.2	25.3	23.2	22.4	29.8	28.0	28.2	23.6	25.7	23.5	21.8	26.7	32.2	32.6	31.5	28.3	14.2	12.7	14.3	12.7	12.7	11.5	14.2	14.6	18.6	21.4	23.0	19.3	18.1	15.4	16.6	25.6	20.2	17.4	19.2	32.1	30.1	25.8	26.7	27.8	31.2

us-gaap:ShortTermInvestments us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2016-07-02	2016-04-02	2015-01-03	2014-09-27	2014-06-28	2013-03-30	2012-12-29	2012-09-29	2012-06-30	2012-03-31	2011-12-31	2011-10-01	2011-07-02	2011-01-01
Value	18	5.226	38	47	77	85	85	80	72	55	48	61	71	65	94	62	60	50	12	14	10	6.009	0.65	0.65	0.65	32	12	21	19	17	11	8.6	198	227
Percentage of ShortTermInvestments	5.8	1.4	7.4	9.6	17.4	19.3	17.1	17.6	16.0	14.5	11.6	16.5	20.6	15.6	19.1	13.0	13.5	12.7	8.1	11.0	7.1	4.7	0.3	0.3	0.3	14.4	7.2	14.2	14.3	7.6	5.2	4.9	100.0	100.0
Percentage of Assets	1.0	0.3	1.9	2.4	4.0	4.3	5.1	4.9	4.5	3.4	3.0	3.9	4.5	4.2	6.2	4.2	4.2	3.6	1.1	1.4	1.0	0.6	0.1	0.1	0.1	3.7	1.5	2.5	2.7	2.5	1.6	1.3	26.7	31.2
Percentage of Assets us-gaap:FairValueInputsLevel1 us-gaap:FairValueMeasurementsRecurring	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-07-04	2015-04-04	2015-01-03	2014-09-27	2014-06-28	2014-03-29	2013-12-28	2013-09-28	2013-06-29	2013-03-30	2012-12-29	2012-09-29	2012-06-30	2012-03-31	2011-12-31	2011-10-01	2011-01-01
Value	295	362	483	444	368	356	413	377	379	327	368	314	275	352	400	419	390	345	141	116	132	120	128	112	147	148	192	216	234	194	179	153	151	196	163	127	118	217	201	166	220
Percentage of ShortTermInvestments	94.2	98.6	92.6	90.4	82.6	80.7	82.9	82.4	84.0	85.5	88.4	83.5	79.4	84.4	80.9	87.0	86.5	87.3	91.9	89.0	92.9	95.3	100.0	100.0	100.0	100.0	99.7	99.7	99.7	100.0	100.0	100.0	100.0	85.6	92.8	85.8	85.7	92.4	94.8	95.1	96.9
Percentage of Assets	15.6	19.4	24.3	22.9	19.1	18.1	24.7	23.0	23.7	20.2	22.7	19.6	17.3	22.5	26.1	28.4	27.2	24.7	13.1	11.3	13.3	12.1	12.7	11.5	14.2	14.6	18.5	21.3	22.9	19.3	18.1	15.4	16.6	22.0	18.8	14.9	16.4	29.7	28.5	24.6	30.3
Percentage of Assets us-gaap:FairValueInputsLevel2 us-gaap:FairValueMeasurementsRecurring	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0

us-gaap:ShortTermInvestments us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring, us-gaap:USGovernmentDebtSecurities

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30
Value	18	5.226	38	47	77	85	85	80	72	55	48	61	71	65	94
Percentage of ShortTermInvestments	5.8	1.4	7.4	9.6	17.4	19.3	17.1	17.6	16.0	14.5	11.6	16.5	20.6	15.6	19.1
Percentage of Assets	1.0	0.3	1.9	2.4	4.0	4.3	5.1	4.9	4.5	3.4	3.0	3.9	4.5	4.2	6.2
Percentage of Assets us-gaap:FairValueInputsLevel1 us-gaap:FairValueMeasurementsRecurring us-gaap:USGovernmentDebtSecurities	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:CorporateDebtSecurities

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30
Value	239	282	379	353	322	304	326	298	285	256	269	187	151	133	171
Percentage of ShortTermInvestments	76.3	76.8	72.7	71.9	72.4	68.7	65.5	65.2	63.2	67.1	64.6	49.8	43.6	31.9	34.7
Percentage of Assets	12.6	15.1	19.0	18.2	16.8	15.4	19.5	18.2	17.8	15.8	16.6	11.7	9.5	8.5	11.2
Percentage of Assets us-gaap:FairValueInputsLevel2 us-gaap:FairValueMeasurementsRecurring us-gaap:CorporateDebtSecurities	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:USGovernmentDebtSecurities

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30
Value	56	80	104	90	45	52	86	78	93	70	99	127	124	219	228
Percentage of ShortTermInvestments	17.9	21.8	19.9	18.5	10.2	11.9	17.4	17.2	20.8	18.4	23.8	33.8	35.8	52.5	46.1
Percentage of Assets	3.0	4.3	5.2	4.7	2.4	2.7	5.2	4.8	5.9	4.3	6.1	7.9	7.8	14.0	14.9
Percentage of Assets us-gaap:FairValueInputsLevel2 us-gaap:FairValueMeasurementsRecurring us-gaap:USGovernmentDebtSecurities	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0

us-gaap:ShortTermInvestments us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2017-12-30	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-01-03
Value	314	367	521	491	445	442	498	457	452	382	416	376	494	131	142	126	128	112	193
Percentage of ShortTermInvestments	100.0	100.0	100.0	100.0	100.0	100.0	100.0	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	16.6	19.7	26.2	25.3	23.2	22.4	29.8	28.0	28.2	23.6	25.7	23.5	32.2	12.7	14.3	12.7	12.7	11.5	18.6
Percentage of Assets us-gaap:FairValueMeasurementsRecurring	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0

us-gaap:ShortTermInvestments us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument

us-gaap:FairValueMeasurementsRecurring, us-gaap:CorporateDebtSecurities

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2017-12-30
Value	239	282	379	353	322	304	326	298	285	256	269	187	171
Percentage of ShortTermInvestments	76.3	76.8	72.7	71.9	72.4	68.7	65.5	65.2	63.2	67.1	64.6	49.8	34.7
Percentage of Assets	12.6	15.1	19.0	18.2	16.8	15.4	19.5	18.2	17.8	15.8	16.6	11.7	11.2
Percentage of Assets us-gaap:FairValueMeasurementsRecurring us-gaap:CorporateDebtSecurities	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0

us-gaap:FairValueMeasurementsRecurring, us-gaap:USGovernmentDebtSecurities

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2017-12-30
Value	74	85	142	137	122	138	171	159	166	125	147	189	322
Percentage of ShortTermInvestments	23.7	23.2	27.3	28.1	27.6	31.3	34.5	34.8	36.8	32.9	35.4	50.2	65.3
Percentage of Assets	3.9	4.6	7.2	7.1	6.4	7.0	10.3	9.7	10.4	7.8	9.1	11.8	21.0
Percentage of Assets us-gaap:FairValueMeasurementsRecurring us-gaap:USGovernmentDebtSecurities	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0

Accounts Receivable Net Current

us-gaap:AccountsReceivableNetCurrent

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-07-04	2015-04-04	2015-01-03	2014-09-27	2014-06-28	2014-03-29	2013-12-28	2013-09-28	2013-06-29	2013-03-30	2012-12-29	2012-09-29	2012-06-30	2012-03-31	2011-12-31	2011-10-01	2011-07-02	2011-04-02	2011-01-01	2010-01-02
Value	99	103	95	80	70	74	75	76	72	69	73	74	93	75	71	76	75	75	74	84	71	74	73	61	71	66	70	71	69	64	72	68	68	72	78	75	72	61	55	58	70	58	45	56
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	5.3	5.5	4.8	4.1	3.7	3.8	4.5	4.7	4.5	4.3	4.5	4.7	5.9	4.8	4.6	5.2	5.3	5.4	6.9	8.2	7.3	7.5	7.3	6.2	6.9	6.5	6.7	7.0	6.7	6.4	7.3	6.9	7.5	8.1	8.9	8.9	10.1	8.4	7.8	8.6	9.5	8.0	6.2	7.6

Inventory Net

us-gaap:InventoryNet

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-07-04	2015-04-04	2015-01-03	2014-09-27	2014-06-28	2014-03-29	2013-12-28	2013-09-28	2013-06-29	2013-03-30	2012-12-29	2012-09-29	2012-06-30	2012-03-31	2011-12-31	2011-10-01	2011-07-02	2011-04-02	2011-01-01	2010-01-02
Value	52	79	66	66	70	68	73	71	73	70	74	77	87	76	73	72	67	61	59	55	56	48	53	51	60	61	52	47	45	44	45	44	50	56	49	42	35	34	34	38	38	41	39	31
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	2.8	4.2	3.3	3.4	3.6	3.5	4.4	4.4	4.6	4.3	4.6	4.8	5.5	4.9	4.8	4.9	4.7	4.4	5.5	5.3	5.7	4.9	5.3	5.3	5.9	6.0	5.0	4.6	4.4	4.4	4.6	4.5	5.5	6.4	5.7	5.0	5.0	4.7	4.9	5.7	5.1	5.6	5.4	4.2

Inventory Finished Goods

us-gaap:InventoryFinishedGoods

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-07-04	2015-04-04	2015-01-03	2014-09-27	2014-06-28	2014-03-29	2013-12-28	2013-09-28	2013-06-29	2013-03-30	2012-12-29	2012-09-29	2012-06-30	2012-03-31	2011-12-31	2011-10-01	2011-07-02	2011-01-01
Value	6.963	10	10	15	21	20	20	21	24	23	23	26	29	23	26	19	20	18	18	15	17	14	17	13	14	15	11	11	11	9.625	10	9.881	13	12	7.476	6.537	6.431	5.702	6.755	5.994	4.172	6.473
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	100.0	100.0
Percentage of Assets	0.4	0.6	0.5	0.8	1.1	1.1	1.2	1.3	1.6	1.4	1.5	1.7	1.9	1.5	1.7	1.3	1.4	1.3	1.7	1.5	1.8	1.4	1.7	1.4	1.4	1.5	1.2	1.1	1.1	1.0	1.1	1.0	1.5	1.4	0.9	0.8	0.9	0.8	1.0	0.9	0.6	0.9

Other Assets Current

us-gaap:OtherAssetsCurrent

Period End	2021-01-02	2019-12-28	2017-12-30	2016-12-31	2016-01-02	2015-01-03	2013-12-28	2012-12-29	2011-12-31	2011-01-01	2010-01-02
Value	38	30	21	21	15	16	15	20	20	34	18
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
Percentage of Assets	1.9	1.8	1.4	2.0	1.6	1.6	1.6	2.3	2.9	4.7	2.5

Prepaid Expense And Other Assets Current

us-gaap:PrepaidExpenseAndOtherAssetsCurrent

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-07-04	2015-04-04	2015-01-03	2014-09-27	2014-06-28	2014-03-29	2013-12-28	2013-09-28	2013-06-29	2013-03-30	2012-12-29	2012-09-29	2012-06-30	2012-03-31	2011-12-31	2011-10-01	2011-07-02	2011-01-01
Value	94	105	89	69	53	46	69	52	59	60	64	46	52	64	39	37	46	54	61	49	53	44	52	48	59	51	49	39	47	40	47	51	46	48	41	36	48	47	43	36	34	34
Percentage of PrepaidExpenseAndOtherAssetsCurrent	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	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	5.0	5.6	4.5	3.6	2.8	2.4	4.1	3.2	3.7	3.7	4.0	2.9	3.3	4.1	2.5	2.5	3.3	3.9	5.7	4.8	5.4	4.4	5.2	5.0	5.7	5.0	4.7	3.9	4.7	4.0	4.8	5.1	5.1	5.4	4.8	4.3	6.7	6.5	6.2	5.4	4.6	4.7

Property Plant And Equipment Gross

us-gaap:PropertyPlantAndEquipmentGross

Period End	2021-01-02	2019-12-28	2018-12-29	2017-12-30	2016-12-31	2016-01-02	2015-01-03	2013-12-28	2012-12-29	2011-12-31	2011-01-01
Value	278	265	258	233	227	217	210	205	200	97	94
Percentage of PropertyPlantAndEquipmentGross	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	13.9	15.8	15.9	15.2	21.0	21.5	20.2	20.8	23.0	13.8	12.9

us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType

us-gaap:BuildingAndBuildingImprovements

Period End	2021-01-02	2019-12-28	2018-12-29	2017-12-30	2016-12-31	2016-01-02	2015-01-03	2013-12-28	2012-12-29
Value	118	112	109	96	94	94	94	94	90
Percentage of PropertyPlantAndEquipmentGross	42.6	42.5	42.3	41.2	41.7	43.6	44.9	45.7	45.2
Percentage of Assets	5.9	6.7	6.7	6.3	8.8	9.4	9.1	9.5	10.4
Percentage of Assets us-gaap:BuildingAndBuildingImprovements	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0

us-gaap:ComputerEquipment

Period End	2021-01-02	2019-12-28	2018-12-29	2017-12-30
Value	46	45	42	37
Percentage of PropertyPlantAndEquipmentGross	16.8	17.3	16.5	16.1
Percentage of Assets	2.3	2.7	2.6	2.4
Percentage of Assets us-gaap:ComputerEquipment	0.0	0.0	0.0	0.0

us-gaap:Equipment

Period End	2021-01-02	2019-12-28	2018-12-29	2017-12-30	2016-12-31	2016-01-02	2015-01-03	2013-12-28	2012-12-29	2011-12-31	2011-01-01
Value	71	65	62	59	57	55	51	51	48	43	40
Percentage of PropertyPlantAndEquipmentGross	25.6	24.8	24.4	25.6	25.3	25.4	24.6	24.8	24.0	45.1	43.1
Percentage of Assets	3.6	3.9	3.9	3.9	5.3	5.4	5.0	5.2	5.5	6.2	5.6
Percentage of Assets us-gaap:Equipment	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0

us-gaap:FurnitureAndFixtures

Period End	2021-01-02	2019-12-28	2018-12-29	2017-12-30	2016-12-31	2016-01-02	2015-01-03	2013-12-28	2012-12-29	2011-12-31	2011-01-01
Value	8.882	8.291	7.794	5.691	5.484	4.777	4.008	3.496	3.129	3.356	3.051
Percentage of PropertyPlantAndEquipmentGross	3.2	3.1	3.0	2.4	2.4	2.2	1.9	1.7	1.6	3.4	3.2
Percentage of Assets	0.4	0.5	0.5	0.4	0.5	0.5	0.4	0.4	0.4	0.5	0.4
Percentage of Assets us-gaap:FurnitureAndFixtures	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0

us-gaap:LeaseholdImprovements

Period End	2021-01-02	2019-12-28	2018-12-29	2017-12-30	2016-12-31	2016-01-02	2015-01-03	2013-12-28	2012-12-29	2011-12-31	2011-01-01
Value	9.054	8.782	12	10	10	9.204	8.901	7.784	7.587	21	21
Percentage of PropertyPlantAndEquipmentGross	3.3	3.3	4.7	4.5	4.4	4.2	4.2	3.8	3.8	22.4	22.4
Percentage of Assets	0.5	0.5	0.7	0.7	0.9	0.9	0.9	0.8	0.9	3.1	2.9
Percentage of Assets us-gaap:LeaseholdImprovements	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

Period End	2021-01-02	2019-12-28	2018-12-29	2017-12-30	2016-12-31	2016-01-02	2015-01-03	2013-12-28	2012-12-29	2011-12-31	2011-01-01
Value	138	129	118	105	97	86	77	73	65	72	64
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	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	7.7	7.3	6.9	9.1	8.5	7.4	7.4	7.5	10.2	8.8

Property Plant And Equipment Net

us-gaap:PropertyPlantAndEquipmentNet

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-07-04	2015-04-04	2015-01-03	2014-09-27	2014-06-28	2014-03-29	2013-12-28	2013-09-28	2013-06-29	2013-03-30	2012-12-29	2012-09-29	2012-06-30	2012-03-31	2011-12-31	2011-10-01	2011-07-02	2011-04-02	2011-01-01	2010-01-02
Value	139	141	139	139	140	136	135	136	137	138	139	135	132	129	127	129	130	130	129	130	130	130	131	130	130	131	132	128	129	130	132	134	135	135	135	136	23	24	25	27	28	29	29	27
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	100.0	100.0
Percentage of Assets	7.4	7.5	7.0	7.2	7.3	6.9	8.1	8.3	8.6	8.6	8.6	8.5	8.3	8.3	8.3	8.7	9.1	9.3	12.0	12.6	13.1	13.0	13.0	13.3	12.6	12.9	12.7	12.7	12.6	13.0	13.4	13.4	14.8	15.1	15.5	15.9	3.3	3.3	3.6	4.0	3.8	4.0	4.1	3.7

us-gaap:PropertyPlantAndEquipmentNet us-gaap:StatementGeographical

country:US

Period End	2021-01-02	2019-12-28	2018-12-29	2017-12-30	2016-12-31	2016-01-02	2015-01-03	2013-12-28	2012-12-29	2011-12-31	2011-01-01
Value	128	126	128	119	124	126	127	126	127	17	20
Percentage of PropertyPlantAndEquipmentNet	91.9	93.1	92.5	93.8	95.8	96.4	96.3	95.3	94.4	68.8	68.7
Percentage of Assets	6.4	7.6	7.9	7.8	11.5	12.5	12.3	12.7	14.6	2.4	2.8
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	0.0

slab:OtherCountries

Period End	2021-01-02	2019-12-28	2018-12-29	2017-12-30	2016-12-31	2016-01-02	2015-01-03	2013-12-28	2012-12-29	2011-12-31	2011-01-01
Value	11	9.367	10	7.936	5.396	4.728	4.892	6.182	1.458	1.628	1.369
Percentage of PropertyPlantAndEquipmentNet	8.1	6.9	7.5	6.2	4.2	3.6	3.7	4.7	1.1	6.5	4.6
Percentage of Assets	0.6	0.6	0.6	0.5	0.5	0.5	0.5	0.6	0.2	0.2	0.2
Percentage of Assets slab:OtherCountries	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0

Goodwill

us-gaap:Goodwill

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-07-04	2015-04-04	2015-01-03	2014-09-27	2014-06-28	2014-03-29	2013-12-28	2013-09-28	2013-06-29	2013-03-30	2012-12-29	2012-09-29	2012-06-30	2012-03-31	2011-12-31	2011-10-01	2011-07-02	2011-04-02	2011-01-01	2010-01-02
Value	376	631	631	631	631	398	398	397	397	397	397	396	396	288	288	288	288	288	276	272	272	272	272	263	263	264	228	228	228	228	228	227	130	130	130	130	115	115	115	115	117	117	112	105
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
Percentage of Assets	19.9	33.8	31.7	32.5	32.8	20.2	23.8	24.3	24.8	24.5	24.5	24.7	24.9	18.4	18.8	19.5	20.1	20.6	25.5	26.5	27.5	27.3	27.0	27.0	25.5	25.9	21.9	22.5	22.3	22.7	23.1	22.7	14.3	14.5	14.9	15.2	16.0	15.8	16.4	17.1	15.7	16.0	15.4	14.1

Indefinite Lived Intangible Assets Excluding Goodwill

us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass

us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill

us-gaap:InProcessResearchAndDevelopment

Period End	2021-01-02	2013-12-28	2012-12-29
Value	11	18	14
Percentage of IndefiniteLivedIntangibleAssetsExcludingGoodwill	100.0	100.0	100.0
Percentage of Assets	0.6	1.9	1.7
Percentage of Assets us-gaap:InProcessResearchAndDevelopment	0.0	0.0	0.0

Intangible Assets Net Excluding Goodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-07-04	2015-04-04	2015-01-03	2014-09-27	2014-06-28	2014-03-29	2013-12-28	2013-09-28	2013-06-29	2013-03-30	2012-12-29	2012-09-29	2012-06-30	2012-03-31	2011-12-31	2011-10-01	2011-07-02	2011-04-02	2011-01-01	2010-01-02
Value	140	154	166	178	189	124	134	140	150	160	170	181	192	76	83	89	96	103	103	100	106	113	121	121	128	135	115	119	124	128	131	136	85	87	90	94	55	57	60	63	66	68	53	41
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	7.4	8.3	8.3	9.2	9.9	6.3	8.0	8.6	9.4	9.9	10.5	11.3	12.1	4.9	5.4	6.1	6.8	7.4	9.6	9.7	10.7	11.4	12.0	12.4	12.4	13.2	11.0	11.8	12.1	12.7	13.3	13.6	9.3	9.8	10.4	11.1	7.7	7.9	8.5	9.4	8.9	9.4	7.3	5.6

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset

Period End	2021-01-02	2019-12-28
Value	28	16
Percentage of OperatingLeaseRightOfUseAsset	100.0	100.0
Percentage of Assets	1.4	1.0

Other Assets Noncurrent

us-gaap:OtherAssetsNoncurrent

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-07-04	2015-04-04	2015-01-03	2014-09-27	2014-06-28	2014-03-29	2013-12-28	2013-09-28	2013-06-29	2013-03-30	2012-12-29	2012-09-29	2012-06-30	2012-03-31	2011-12-31	2011-10-01	2011-07-02	2011-04-02	2011-01-01	2010-01-02
Value	78	82	80	55	44	63	62	67	69	110	90	89	95	94	88	59	61	58	76	51	50	53	55	26	24	24	29	21	22	23	28	39	25	28	36	37	40	36	34	26	28	29	20	19
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	4.1	4.4	4.0	2.9	2.3	3.2	3.7	4.1	4.4	6.8	5.6	5.6	6.0	6.1	5.8	4.0	4.3	4.1	7.1	5.0	5.1	5.4	5.5	2.7	2.3	2.4	2.9	2.1	2.2	2.3	2.9	3.9	2.8	3.2	4.2	4.4	5.7	5.0	4.9	3.9	3.8	4.1	2.9	2.6

Accounts Payable Current

us-gaap:AccountsPayableCurrent

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-07-04	2015-04-04	2015-01-03	2014-09-27	2014-06-28	2014-03-29	2013-12-28	2013-09-28	2013-06-29	2013-03-30	2012-12-29	2012-09-29	2012-06-30	2012-03-31	2011-12-31	2011-10-01	2011-07-02	2011-04-02	2011-01-01	2010-01-02
Value	70	68	54	46	40	42	38	38	41	41	41	43	40	50	38	38	39	43	39	39	41	42	42	30	34	39	38	28	24	22	22	24	25	31	29	35	36	29	26	25	26	20	24	28
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	3.7	3.7	2.8	2.4	2.1	2.1	2.3	2.4	2.6	2.6	2.5	2.7	2.5	3.2	2.5	2.6	2.8	3.1	3.7	3.8	4.1	4.3	4.2	3.1	3.3	3.8	3.7	2.8	2.4	2.2	2.2	2.5	2.8	3.5	3.4	4.1	5.0	4.1	3.7	3.8	3.5	2.8	3.4	3.9

Liabilities Current

us-gaap:LiabilitiesCurrent

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-07-04	2015-04-04	2015-01-03	2014-09-27	2014-06-28	2014-03-29	2013-12-28	2013-09-28	2013-06-29	2013-03-30	2012-12-29	2012-09-29	2012-06-30	2012-03-31	2011-12-31	2011-10-01	2011-07-02	2011-04-02	2011-01-01	2010-01-02
Value	154	150	284	151	135	446	137	132	131	134	144	147	139	144	162	159	143	145	139	143	140	155	142	129	133	134	163	152	134	133	109	103	98	103	106	116	94	90	82	86	86	79	79	88
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	8.2	8.1	14.3	7.8	7.0	22.7	8.2	8.1	8.2	8.3	8.9	9.2	8.7	9.2	10.6	10.8	10.0	10.4	12.9	14.0	14.2	15.5	14.1	13.2	12.9	13.2	15.7	15.0	13.2	13.2	11.0	10.4	10.8	11.6	12.2	13.6	13.1	12.3	11.7	12.8	11.6	10.9	11.0	11.9

Other Accrued Liabilities Current

us-gaap:OtherAccruedLiabilitiesCurrent

Period End	2021-01-02	2019-12-28	2018-12-29	2017-12-30	2016-12-31	2016-01-02	2015-01-03	2013-12-28	2012-12-29	2011-12-31	2011-01-01
Value	35	33	32	31	21	24	25	21	18	12	10
Percentage of OtherAccruedLiabilitiesCurrent	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	1.8	2.0	2.0	2.1	2.0	2.5	2.4	2.1	2.1	1.8	1.4

Other Liabilities Current

us-gaap:OtherLiabilitiesCurrent

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2016-12-31
Value	70	68	82	82	68	71	79	71	68	69	81	77	74	69	73	54
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
Percentage of Assets	3.7	3.7	4.1	4.3	3.6	3.6	4.7	4.4	4.3	4.3	5.0	4.9	4.7	4.4	4.8	5.0

Long Term Debt

us-gaap:LongTermDebt us-gaap:DebtInstrument

us-gaap:LongTermDebt

us-gaap:ConvertibleNotesPayable

Period End	2020-07-04	2019-12-28
Value	571	368
Percentage of LongTermDebt	100.0	100.0
Percentage of Assets	29.7	22.0
Percentage of Assets us-gaap:ConvertibleNotesPayable	0.0	0.0

us-gaap:LongTermDebt us-gaap:LongtermDebtType

us-gaap:ConvertibleNotesPayable

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2019-12-28
Value	439	434	563	561	368
Percentage of LongTermDebt	0.0	0.0	0.0	0.0	100.0
Percentage of Assets	23.2	23.2	28.3	28.9	22.0
Percentage of Assets us-gaap:ConvertibleNotesPayable	0.0	0.0	0.0	0.0	0.0

Other Liabilities Noncurrent

us-gaap:OtherLiabilitiesNoncurrent

Period End	2021-07-03	2021-01-02	2018-12-29	2017-12-30	2016-12-31	2016-01-02	2015-01-03	2013-12-28	2012-12-29	2011-12-31	2011-01-01
Value	73	79	35	16	15	26	29	11	2.503	7.224	11
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
Percentage of Assets	3.9	4.0	2.2	1.1	1.4	2.6	2.8	1.2	0.3	1.0	1.6

Lessee Operating Lease Liability Payments Due Year Two

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

Period End	2021-01-02
Value	6174000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	100.0
Percentage of Assets	0.3

Lessee Operating Lease Liability Payments Due Year Three

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

Period End	2021-01-02
Value	5367000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree	100.0
Percentage of Assets	0.3

Lessee Operating Lease Liability Payments Due Year Four

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

Period End	2021-01-02
Value	4874000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFour	100.0
Percentage of Assets	0.2

Lessee Operating Lease Liability Payments Due Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

Period End	2021-01-02
Value	3278000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFive	100.0
Percentage of Assets	0.2

Lessee Operating Lease Liability Payments Due After Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

Period End	2021-01-02
Value	8421000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	100.0
Percentage of Assets	0.4

Operating Lease Liability

us-gaap:OperatingLeaseLiability

Period End	2021-01-02	2019-12-28	2019-09-28	2019-06-29	2019-03-30
Value	29	17	18	19	21
Percentage of OperatingLeaseLiability	100.0	100.0	100.0	100.0	100.0
Percentage of Assets	1.5	1.1	1.1	1.2	1.3

Lessee Operating Lease Liability Payments Due

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

Period End	2021-01-02
Value	34
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue	100.0
Percentage of Assets	1.8

Lessee Operating Lease Liability Undiscounted Excess Amount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

Period End	2021-01-02
Value	5001000.0
Percentage of LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	100.0
Percentage of Assets	0.3

Stockholders Equity

us-gaap:StockholdersEquity

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-07-04	2015-04-04	2015-01-03	2014-09-27	2014-06-28	2014-03-29	2013-12-28	2013-09-28	2013-06-29	2013-03-30	2012-12-29	2012-09-29	2012-06-30	2012-03-31	2011-12-31	2011-10-01	2011-01-01	2010-01-02	2009-01-03
Value	1227	1206	1199	1170	1157	1099	1115	1083	1051	1057	1067	1047	1028	1000	953	942	912	878	826	787	761	749	761	741	786	763	758	749	777	761	738	734	705	680	649	621	617	623	598	571	625	629	502
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
Percentage of Assets	64.8	64.5	60.2	60.2	60.2	55.8	66.6	66.2	65.6	65.2	65.7	65.3	64.6	63.9	62.1	63.8	63.6	62.8	76.4	76.5	76.7	75.1	75.2	75.8	75.9	74.8	72.7	73.9	75.9	75.4	74.5	73.4	77.3	75.9	74.5	72.7	85.6	85.1	84.8	84.3	86.0	84.8	0.0

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-04-01	2016-12-31	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-01-03	2013-12-28	2012-12-29	2011-12-31	2011-01-01	2010-01-02	2009-01-03
Value	-0.071	0.226	1.814	1.86	2.611	-0.331	0.646	0.606	0.89	-0.251	-1.574	-1.667	-1.96	-1.985	-1.157	-0.525	0.492	-0.609	-0.727	-0.813	-0.507	-0.619	-0.082	-0.684	-0.946	-2.467	-3.648	-4.356	-6.048
Percentage of StockholdersEquity	-0.0	0.0	0.2	0.2	0.2	-0.0	0.1	0.1	0.1	-0.0	-0.1	-0.2	-0.2	-0.2	-0.1	-0.1	0.1	-0.1	-0.1	-0.1	-0.1	-0.1	-0.0	-0.1	-0.1	-0.4	-0.6	-0.7	-1.2
Percentage of Assets	-0.0	0.0	0.1	0.1	0.1	-0.0	0.0	0.0	0.1	-0.0	-0.1	-0.1	-0.1	-0.1	-0.1	-0.0	0.0	-0.1	-0.1	-0.1	-0.1	-0.1	-0.0	-0.1	-0.1	-0.3	-0.5	-0.6	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	0.0	0.0	0.0	0.0

us-gaap:AdditionalPaidInCapital

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2016-12-31	2016-01-02	2015-01-03	2013-12-28	2012-12-29	2011-12-31	2011-01-01	2010-01-02	2009-01-03
Value	200	199	204	183	173	116	133	112	99	90	107	103	111	98	102	24	13	29	48	10	14	49	128	75
Percentage of StockholdersEquity	16.3	16.5	17.0	15.7	15.0	10.6	12.0	10.4	9.5	8.6	10.1	9.8	10.9	9.8	10.8	3.0	1.8	3.9	6.6	1.6	2.5	8.0	20.4	15.1
Percentage of Assets	10.6	10.7	10.3	9.4	9.0	5.9	8.0	6.9	6.2	5.6	6.6	6.4	7.0	6.3	6.7	2.3	1.4	2.8	4.9	1.2	2.1	6.9	17.3	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

us-gaap:CommonStock

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2016-12-31	2016-01-02	2015-01-03	2013-12-28	2012-12-29	2011-12-31	2011-01-01	2010-01-02	2009-01-03
Value	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.004	0.005	0.004
Percentage of StockholdersEquity	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	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	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	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

us-gaap:RetainedEarnings

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2016-12-31	2016-01-02	2015-01-03	2013-12-28	2012-12-29	2011-12-31	2011-01-01	2010-01-02	2009-01-03
Value	1027	1007	993	984	981	983	980	970	950	966	961	946	918	904	851	801	747	728	690	640	586	579	505	432
Percentage of StockholdersEquity	83.7	83.4	82.8	84.2	84.8	89.4	87.9	89.6	90.4	91.4	90.1	90.3	89.3	90.4	89.3	97.0	98.2	96.1	93.5	98.6	97.9	92.6	80.3	86.1
Percentage of Assets	54.2	53.8	49.8	50.7	51.0	49.9	58.5	59.3	59.3	59.6	59.2	59.0	57.7	57.7	55.5	74.1	73.9	69.9	69.7	73.5	83.1	79.6	68.1	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

Common Stock Value

us-gaap:CommonStockValue

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-07-04	2015-04-04	2015-01-03	2014-09-27	2014-06-28	2014-03-29	2013-12-28	2013-09-28	2013-06-29	2013-03-30	2012-12-29	2012-09-29	2012-06-30	2012-03-31	2011-12-31	2011-10-01	2011-07-02	2011-04-02	2011-01-01	2010-01-02
Value	4000.0	4000.0	4000.0	4000.0	4000.0	4000.0	4000.0	4000.0	4000.0	4000.0	4000.0	4000.0	4000.0	4000.0	4000.0	4000.0	4000.0	4000.0	4000.0	4000.0	4000.0	4000.0	4000.0	4000.0	4000.0	4000.0	4000.0	4000.0	4000.0	4000.0	4000.0	4000.0	4000.0	4000.0	4000.0	4000.0	4000.0	4000.0	4000.0	4000.0	4000.0	4000.0	4000.0	5000.0
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

Additional Paid In Capital Common Stock

us-gaap:AdditionalPaidInCapitalCommonStock

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2016-01-02	2015-07-04	2015-04-04	2015-01-03	2014-09-27	2014-06-28	2014-03-29	2013-12-28	2013-09-28	2013-06-29	2013-03-30	2012-12-29	2012-03-31	2011-12-31	2011-07-02	2011-04-02	2011-01-01	2010-01-02
Value	200	199	204	183	173	116	133	112	99	90	107	103	111	98	102	87	76	59	24	6.344	13	44	28	29	31	65	62	48	55	32	20	10	24	14	49	56	49	128
Percentage of AdditionalPaidInCapitalCommonStock	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	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	10.6	10.7	10.3	9.4	9.0	5.9	8.0	6.9	6.2	5.6	6.6	6.4	7.0	6.3	6.7	5.9	5.3	4.3	2.3	0.6	1.4	4.3	2.8	2.8	3.1	6.4	6.2	4.9	5.5	3.6	2.3	1.2	3.3	2.1	6.6	7.7	6.9	17.3

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-07-04	2015-04-04	2015-01-03	2014-09-27	2014-06-28	2014-03-29	2013-12-28	2013-09-28	2013-06-29	2013-03-30	2012-12-29	2012-09-29	2012-06-30	2012-03-31	2011-12-31	2011-10-01	2011-07-02	2011-04-02	2011-01-01	2010-01-02
Value	1027	1007	993	984	981	983	980	970	950	966	961	946	918	904	851	856	836	819	801	781	761	750	747	742	742	735	728	718	713	698	690	679	673	660	640	622	618	600	586	573	590	577	579	505
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	54.2	53.8	49.8	50.7	51.0	49.9	58.5	59.3	59.3	59.6	59.2	59.0	57.7	57.7	55.5	57.9	58.3	58.6	74.1	75.9	76.8	75.2	73.9	75.9	71.7	72.0	69.9	70.8	69.6	69.2	69.7	68.0	73.8	73.7	73.5	72.8	85.8	82.0	83.1	84.7	79.3	78.7	79.6	68.1

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-07-04	2015-04-04	2015-01-03	2014-09-27	2014-06-28	2014-03-29	2013-12-28	2013-09-28	2013-06-29	2013-03-30	2012-12-29	2012-09-29	2012-06-30	2012-03-31	2011-12-31	2011-10-01	2011-07-02	2011-04-02	2011-01-01	2010-01-02	2009-01-03
Value	-71000.0	226000.0	1814000.0	1860000.0	2611000.0	-331000.0	646000.0	606000.0	890000.0	-251000.0	-1574000.0	-1667000.0	-1960000.0	-1985000.0	-1157000.0	-335000.0	-418000.0	-525000.0	492000.0	-609000.0	-727000.0	-813000.0	-507000.0	-619000.0	-529000.0	-411000.0	-82000.0	-110000.0	-599000.0	-414000.0	-684000.0	-781000.0	-929000.0	-875000.0	-946000.0	-881000.0	-1648000.0	-1817000.0	-2467000.0	-2530000.0	-2992000.0	-3416000.0	-3648000.0	-4356000.0	-6048000.0
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	100.0
Percentage of Assets	-0.0	0.0	0.1	0.1	0.1	-0.0	0.0	0.0	0.1	-0.0	-0.1	-0.1	-0.1	-0.1	-0.1	-0.0	-0.0	-0.0	0.0	-0.1	-0.1	-0.1	-0.1	-0.1	-0.1	-0.0	-0.0	-0.0	-0.1	-0.0	-0.1	-0.1	-0.1	-0.1	-0.1	-0.1	-0.2	-0.2	-0.3	-0.4	-0.4	-0.5	-0.5	-0.6	0.0

Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31
Value	13	13	15	14	14	15	14	13	13	12	13	12	12	12
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	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

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31
Value	13	13	15	14	14	15	14	13	13	12	13	12	12	12
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	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
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

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

Period End	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2011-07-02	2011-04-02	2010-07-03	2010-04-03
Value	14	8.755	26	40	59	31	63	39	32	28	94	28	22	48	60	38	42	22	46	28	-2.626	21	31
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
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax	5.7	3.6	12.0	19.7	27.8	14.4	28.4	19.0	17.0	13.2	41.0	13.2	10.8	24.0	30.6	20.3	23.5	12.2	25.9	22.9	-2.2	15.9	24.6

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

Period End	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2011-07-02	2011-04-02	2010-07-03	2010-04-03
Value	146	-36.683	-52.07	-323.763	51	-48.362	-13.678	-75.935	31	-47.857	-39.112	-177.414	67	-19.344	-34.188	-58.93	-261.829	-33.815	4.864	3.217	-7.227	-27.177	-58.843
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
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax	57.3	-15.1	-23.5	-156.0	24.0	-22.0	-6.1	-36.7	16.6	-22.2	-17.0	-81.7	32.8	-9.6	-17.2	-31.0	-146.3	-18.5	2.7	2.5	-6.0	-20.2	-46.4

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2011-07-02	2011-04-02	2010-07-03	2010-04-03
Value	-12.509	-158.389	0.29	-21.691	-55.151	277	6.781	-2.312	-4.999	-29.117	-8.842	-24.774	1.44	-16.66	4.096	-0.769	5.594	304	4.435	-4.191	-15.745	-10.218	-65.472	-15.809
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
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax	-7.4	-62.0	0.1	-9.8	-26.6	129.1	3.1	-1.0	-2.4	-15.5	-4.1	-10.8	0.7	-8.1	2.0	-0.4	2.9	169.9	2.4	-2.4	-12.5	-8.5	-48.7	-12.5

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30
Value	97	2.504	-27.638	-47.301	-338.111	388	-9.91	47	-41.595	34	-28.283	30	-147.408	72	32
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
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax	57.7	1.0	-11.4	-21.4	-162.9	180.9	-4.5	21.3	-20.1	18.1	-13.1	13.2	-67.9	35.5	16.4

Amortization Of Financing Costs

us-gaap:AmortizationOfFinancingCosts us-gaap:DebtInstrument

us-gaap:AmortizationOfFinancingCosts

us-gaap:ConvertibleNotesPayable

Period End	2020-07-04	2019-06-29
Value	491000.0	437000.0
Percentage of AmortizationOfFinancingCosts	100.0	100.0

us-gaap:AmortizationOfFinancingCosts us-gaap:LongtermDebtType

us-gaap:ConvertibleNotesPayable

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28
Value	374000.0	518000.0	531000.0	546000.0	491000.0	490000.0	453000.0	442000.0
Percentage of AmortizationOfFinancingCosts	0.0	0.0	0.0	0.0	100.0	0.0	0.0	0.0

Increase Decrease In Accounts Payable

us-gaap:IncreaseDecreaseInAccountsPayable

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-07-04	2015-04-04	2014-09-27	2014-06-28	2014-03-29	2013-12-28	2013-09-28	2013-06-29	2013-03-30	2012-12-29	2012-09-29	2012-06-30	2012-03-31	2011-12-31	2011-10-01	2011-07-02	2011-04-02	2011-01-01	2010-10-02	2010-07-03	2010-04-03
Value	0.595	14	9.16	6.872	-3.517	2.748	1.411	1.098	4.607	0.714	-2.723	5.695	-10.05	13	-2.214	-0.617	-3.202	5.565	-1.017	2.96	-3.239	1.559	12	-2.327	-3.806	0.447	1.228	2.651	1.195	-0.962	-0.746	-4.627	2.356	-1.896	0.347	4.557	4.209	-3.047	0.612	5.046	-4.787	-1.384	-2.408	1.969	1.046
Percentage of IncreaseDecreaseInAccountsPayable	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0

Increase Decrease In Accounts Receivable

us-gaap:IncreaseDecreaseInAccountsReceivable

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-07-04	2015-04-04	2014-09-27	2014-06-28	2014-03-29	2013-12-28	2013-09-28	2013-06-29	2013-03-30	2012-12-29	2012-09-29	2012-06-30	2012-03-31	2011-12-31	2011-10-01	2011-07-02	2011-04-02	2011-01-01	2010-10-02	2010-07-03	2010-04-03
Value	-4.153	8.53	14	9.972	-5.528	-1.542	-0.574	3.868	2.43	-3.323	-1.413	-19.223	13	3.307	-4.821	0.7	-0.365	1.252	-11.368	12	-2.601	0.99	10	-10.373	4.84	-6.564	2.313	4.37	-7.452	3.627	-3.211	-4.132	-5.256	2.273	1.155	11	6.074	-3.019	-11.981	11	11	-18.771	-12.517	19	0.804
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	100.0	100.0	100.0	100.0	100.0	100.0

Increase Decrease In Inventories

us-gaap:IncreaseDecreaseInInventories

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-07-04	2015-04-04	2014-09-27	2014-06-28	2014-03-29	2013-12-28	2013-09-28	2013-06-29	2013-03-30	2012-12-29	2012-09-29	2012-06-30	2012-03-31	2011-12-31	2011-10-01	2011-07-02	2011-04-02	2011-01-01	2010-10-02	2010-07-03	2010-04-03
Value	-8.179	12	0.535	-4.516	-1.99	-4.777	1.341	-2.394	3.37	-4.488	-2.594	-5.631	-2.803	3.368	0.22	5.459	6.101	1.636	4.535	-1.33	7.468	-4.58	0.166	-8.793	0.11	6.424	1.468	1.206	-1.083	0.625	-7.241	-6.322	7.35	7.062	4.695	1.746	-0.447	-3.664	0.352	-2.781	0.759	1.324	9.024	1.295	-3.832
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

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

Period End	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2011-07-02	2011-04-02	2010-07-03	2010-04-03
Value	14	8.755	26	40	59	31	63	39	32	28	94	28	22	48	60	38	42	22	46	28	-2.626	21	31
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
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax	5.7	3.6	12.0	19.7	27.8	14.4	28.4	19.0	17.0	13.2	41.0	13.2	10.8	24.0	30.6	20.3	23.5	12.2	25.9	22.9	-2.2	15.9	24.6

Profit Loss

us-gaap:ProfitLoss

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2011-07-02	2011-04-02	2010-07-03	2010-04-03
Value	19	13	8.948	3.162	-1.823	2.244	9.715	20	-16.029	5.398	15	27	14	26	-4.852	19	16	15	20	20	13	-1.96	21	21
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
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax	11.8	5.3	3.7	1.4	-0.9	1.0	4.4	9.0	-7.8	2.9	7.0	12.1	6.6	12.9	-2.4	10.0	8.7	8.6	11.0	11.2	10.6	-1.6	15.6	16.6

Share Based Compensation

us-gaap:ShareBasedCompensation

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-07-04	2015-04-04	2014-09-27	2014-06-28	2014-03-29	2013-12-28	2013-09-28	2013-06-29	2013-03-30	2012-12-29	2012-09-29	2012-06-30	2012-03-31	2011-12-31	2011-10-01	2011-07-02	2011-04-02	2011-01-01	2010-10-02	2010-07-03	2010-04-03
Value	8.794	13	15	14	14	15	14	13	13	12	13	12	12	12	11	11	11	10	9.571	9.196	10	10	11	9.222	11	10	9.614	9.282	9.277	8.496	8.62	7.424	6.26	7.38	7.931	9.172	6.693	8.891	9.15	8.601	9.473	9.063	10	10	10
Percentage of ShareBasedCompensation	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

Period End	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2011-07-02	2011-04-02	2010-07-03	2010-04-03
Value	146	-36.683	-52.07	-323.763	51	-48.362	-13.678	-75.935	31	-47.857	-39.112	-177.414	67	-19.344	-34.188	-58.93	-261.829	-33.815	4.864	3.217	-7.227	-27.177	-58.843
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
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax	57.3	-15.1	-23.5	-156.0	24.0	-22.0	-6.1	-36.7	16.6	-22.2	-17.0	-81.7	32.8	-9.6	-17.2	-31.0	-146.3	-18.5	2.7	2.5	-6.0	-20.2	-46.4

Payments To Acquire Property Plant And Equipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-07-04	2015-04-04	2014-09-27	2014-06-28	2014-03-29	2013-12-28	2013-09-28	2013-06-29	2013-03-30	2012-12-29	2012-09-29	2012-06-30	2012-03-31	2011-12-31	2011-10-01	2011-07-02	2011-04-02	2011-01-01	2010-10-02	2010-07-03	2010-04-03
Value	4.603	6.176	5.175	4.853	6.259	4.135	3.506	3.371	5.528	3.874	6.195	6.861	7.304	4.102	1.758	2.104	3.847	4.543	2.382	3.399	2.843	2.303	3.987	2.567	2.723	1.991	2.161	1.666	1.673	1.488	2.486	2.6	3.898	2.323	94	2.667	2.428	1.218	2.414	2.361	2.697	7.058	3.481	1.564	1.747
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

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2011-07-02	2011-04-02	2010-07-03	2010-04-03
Value	-12.509	-158.389	0.29	-21.691	-55.151	277	6.781	-2.312	-4.999	-29.117	-8.842	-24.774	1.44	-16.66	4.096	-0.769	5.594	304	4.435	-4.191	-15.745	-10.218	-65.472	-15.809
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
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax	-7.4	-62.0	0.1	-9.8	-26.6	129.1	3.1	-1.0	-2.4	-15.5	-4.1	-10.8	0.7	-8.1	2.0	-0.4	2.9	169.9	2.4	-2.4	-12.5	-8.5	-48.7	-12.5

Repayments Of Long Term Debt

us-gaap:RepaymentsOfLongTermDebt

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2019-12-28	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-07-04	2015-04-04	2014-09-27	2014-06-28	2014-03-29	2013-12-28	2013-09-28	2013-06-29	2013-03-30
Value	0.0	140	6.008	21	0.005	0.0	0.0	0.0	72	0.0	0.0	2.5	2.5	2.5	87	2.5	2.583	1.25	1.25	1.25	1.25	8.434	1.25	2.5
Percentage of RepaymentsOfLongTermDebt	0.0	100.0	100.0	100.0	100.0	0.0	0.0	0.0	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

Payments For Repurchase Of Common Stock

us-gaap:PaymentsForRepurchaseOfCommonStock

Period End	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2016-12-31	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-07-04	2015-04-04	2014-09-27	2013-12-28	2012-12-29	2012-09-29	2011-12-31	2011-10-01	2011-07-02	2011-04-02	2011-01-01	2010-10-02	2010-07-03	2010-04-03
Value	0.0	0.0	0.0	16	0.0	0.0	11	15	15	20	0.0	4.44	17	18	0.0	61	0.28	10	39	18	10	14	0.0	86	22	0.606	0.0	40	76	24
Percentage of PaymentsForRepurchaseOfCommonStock	0.0	0.0	0.0	100.0	0.0	0.0	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	0.0	100.0	100.0	100.0	0.0	100.0	100.0	100.0

Debt Instrument Interest Rate Stated Percentage

us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument

us-gaap:DebtInstrumentInterestRateStatedPercentage

slab:ConvertibleSeniorNotes0.625Percent

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-06-01
Value	0.625	0.625	0.625	0.625	0.00625	0.00625
Percentage of DebtInstrumentInterestRateStatedPercentage	100.0	100.0	100.0	100.0	100.0	100.0
Percentage of LongTermDebtAndCapitalLeaseObligations	0.0	0.0	0.0	0.0	0.0	0.0
Percentage of LongTermDebtAndCapitalLeaseObligations slab:ConvertibleSeniorNotes0.625Percent	0.0	0.0	0.0	0.0	0.0	0.0

slab:ConvertibleSeniorNotes1.375Percent

Period End	2021-01-02	2020-10-03	2020-07-04	2020-06-01	2019-12-28	2017-03-06
Value	1.375	1.375	0.01375	0.01375	0.01375	0.01375
Percentage of DebtInstrumentInterestRateStatedPercentage	220.0	220.0	220.0	220.0	0.0	0.0
Percentage of LongTermDebtAndCapitalLeaseObligations	0.0	0.0	0.0	0.0	0.0	0.0
Percentage of LongTermDebtAndCapitalLeaseObligations slab:ConvertibleSeniorNotes1.375Percent	0.0	0.0	0.0	0.0	0.0	0.0

Effective Income Tax Rate Continuing Operations

us-gaap:EffectiveIncomeTaxRateContinuingOperations

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-07-04	2015-04-04	2014-09-27	2014-06-28	2014-03-29	2013-12-28	2013-09-28	2013-06-29	2013-03-30	2012-12-29	2012-09-29	2012-06-30	2012-03-31	2011-12-31	2011-10-01	2011-07-02	2011-04-02	2011-01-01	2010-10-02	2010-07-03
Value	-6.7	1.5	27.4	-3.3	-0.264	-0.354	-0.137	0.077	2.21	-0.85	0.001	-0.244	0.03	-0.198	0.36	0.098	0.071	-0.146	-0.027	0.063	0.099	0.044	-0.059	0.045	0.112	0.097	0.384	0.294	0.153	0.008	0.332	0.317	0.002	-0.012	0.63	-0.153	0.163	-0.058	0.209	0.195	1.343	-0.043	0.064	0.314
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	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0

Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber

us-gaap:EmployeeStockOption

Period End	2021-01-02	2019-12-28	2018-12-29	2017-12-30	2016-12-31	2016-01-02	2015-01-03	2013-12-28	2012-12-29
Value	127000.0	137000.0	137000.0	170000.0	228000.0	212000.0	529000.0	1089000.0	1696000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0

Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:EmployeeStockOption

Period End	2021-01-02	2019-12-28	2018-12-29	2017-12-30	2016-12-31	2016-01-02	2015-01-03	2013-12-28	2012-12-29
Value	39.16	39.47	39.47	38.88	37.95	34.64	31.5	35.09	35.86
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0

Deferred Tax Liabilities

us-gaap:DeferredTaxLiabilities

Period End	2021-01-02	2011-12-31	2011-01-01
Value	2.805	52	49
Percentage of DeferredTaxLiabilities	100.0	100.0	100.0

Deferred Tax Assets Net

us-gaap:DeferredTaxAssetsNet

Period End	2021-01-02	2019-12-28	2018-12-29	2017-12-30	2016-12-31	2016-01-02	2015-01-03	2013-12-28	2012-12-29	2011-12-31	2011-01-01
Value	55	44	70	63	88	88	66	73	71	82	67
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

Unrecognized Tax Benefits

us-gaap:UnrecognizedTaxBenefits

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2019-12-28	2018-12-29	2017-12-30	2016-12-31	2016-01-02	2015-01-03	2013-12-28	2012-12-29	2011-12-31	2011-01-01	2010-01-02	2009-01-03
Value	3.4	3.2	2.853	2.9	2.276	2.036	3.187	3.054	3.61	3.929	4.998	4.364	10	10	12	32
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

Deferred Tax Assets Valuation Allowance

us-gaap:DeferredTaxAssetsValuationAllowance

Period End	2021-01-02	2019-12-28	2018-12-29	2017-12-30	2016-12-31	2016-01-02	2015-01-03	2013-12-28	2012-12-29
Value	5.311	4.486	4.975	6.518	12	10	3.455	3.775	2.114
Percentage of DeferredTaxAssetsValuationAllowance	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0

slab:AdjustmentsToAdditionalPaidInCapitalSharesComponentOfConvertibleDebt us-gaap:StatementEquityComponents

slab:AdjustmentsToAdditionalPaidInCapitalSharesComponentOfConvertibleDebt

us-gaap:CommonStock

Period End	2021-07-03	2021-04-03
Value	0	528000.0
Percentage of AdjustmentsToAdditionalPaidInCapitalSharesComponentOfConvertibleDebt	0.0	100.0

slab:AmortizationOfIntangiblesAndOtherAssets

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-07-04	2015-04-04	2014-09-27	2014-06-28	2014-03-29	2013-12-28	2013-09-28	2013-06-29	2013-03-30	2012-12-29	2012-09-29	2012-06-30	2012-03-31	2011-12-31	2011-10-01	2011-07-02	2011-04-02	2011-01-01	2010-10-02	2010-07-03	2010-04-03
Value	11	11	11	11	11	9.827	9.693	9.415	10	10	10	14	11	6.427	6.715	6.96	6.819	6.752	6.254	5.927	7.554	7.98	7.445	6.989	8.176	6.521	4.251	4.348	4.491	4.86	5.416	2.795	2.84	3.153	6.442	2.279	2.28	2.46	2.493	3.02	3.057	2.033	1.81	1.802	1.849
Percentage of AmortizationOfIntangiblesAndOtherAssets	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0

slab:CashPaidOnSettlementOfConvertibleInstrumentsUponConversion us-gaap:StatementScenario, us-gaap:DebtInstrument

slab:CashPaidOnSettlementOfConvertibleInstrumentsUponConversion

slab:ConversionOfNotesHolders, slab:ConvertibleSeniorNotes1.375Percent

Period End	2021-01-06
Value	130
Percentage of CashPaidOnSettlementOfConvertibleInstrumentsUponConversion	100.0

slab:CumulativeEffectOfProspectiveApplicationOfNewAccountingPrincipleNetOfTax

Period End	2020-07-04	2020-04-04	2018-12-29	2018-09-29	2018-06-30	2018-03-31
Value	0.0	0.525	-0.003	0.0	0.0	26
Percentage of CumulativeEffectOfProspectiveApplicationOfNewAccountingPrincipleNetOfTax	0.0	100.0	100.0	0.0	0.0	100.0

slab:CumulativeEffectOfProspectiveApplicationOfNewAccountingPrincipleNetOfTax us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings

Period End	2020-07-04	2020-04-04	2018-12-29	2018-09-29	2018-06-30	2018-03-31
Value	0.0	0.525	-0.003	0.0	0.0	26
Percentage of CumulativeEffectOfProspectiveApplicationOfNewAccountingPrincipleNetOfTax	0.0	100.0	100.0	0.0	0.0	101.0

slab:GainOnSaleNetOfTax us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations, us-gaap:SubsequentEventType

slab:GainOnSaleNetOfTax

us-gaap:DiscontinuedOperationsHeldforsale, slab:InfrastructureAndAutomativeBusiness, us-gaap:SubsequentEvent

Period End	2021-10-02
Value	2100
Percentage of GainOnSaleNetOfTax	100.0

slab:IncreaseDecreaseInDeferredRevenueAndReturnsLiability

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01
Value	-0.639	0.464	-9.337	-4.035	2.564	4.114	-2.576	0.561	-2.705	1.477	-3.386	1.377	-1.594	-2.599	-6.586	7.788	-0.787	4.038
Percentage of IncreaseDecreaseInDeferredRevenueAndReturnsLiability	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0

slab:IncreaseDecreaseInOtherCurrentLiabilitiesAndIncomeTaxes

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01
Value	2.803	-13.429	-0.391	19	-6.308	-9.134	8.776	2.499	-2.105	-15.996	1.986	-6.565	-7.786	-9.463	52	9.282	2.958	-2.944
Percentage of IncreaseDecreaseInOtherCurrentLiabilitiesAndIncomeTaxes	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0

slab:IncrementalCommonSharesAttributableToDilutiveEffectOfConversionOfDebtSecuritiesTreasuryStockMethod

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30
Value	500000.0	1100000.0	0	100000.0	0	300000.0	100000.0	600000.0	200000.0	0	-100000.0	200000.0	300000.0
Percentage of IncrementalCommonSharesAttributableToDilutiveEffectOfConversionOfDebtSecuritiesTreasuryStockMethod	100.0	100.0	0.0	100.0	0.0	100.0	100.0	100.0	100.0	0.0	100.0	100.0	100.0

slab:IncrementalCommonSharesAttributableToDilutiveEffectOfShareBasedPaymentArrangementsAndConversionOfDebtSecurities

Period End	2021-04-03	2021-01-02	2020-10-03	2020-04-04	2019-12-28	2019-09-28	2019-03-30	2018-12-29	2018-09-29	2018-06-30
Value	1672000.0	80000.0	513000.0	746000.0	135000.0	1276000.0	527000.0	-73000.0	938000.0	982000.0
Percentage of IncrementalCommonSharesAttributableToDilutiveEffectOfShareBasedPaymentArrangementsAndConversionOfDebtSecurities	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0

slab:InterestExpenseOrTerminationCredit

Period End	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2016-07-02	2016-04-02
Value	8.604	11	5.541	5.105	5.126	5.005	4.997	4.991	4.932	4.888	4.883	4.863	4.764	4.699	-0.198	0.648	0.643	0.641	0.655
Percentage of InterestExpenseOrTerminationCredit	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0

slab:InvestmentIncomeInterestAndOtherNonoperatingIncomeExpense

Period End	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2016-07-02
Value	2.044	3.267	3.251	3.494	3.172	3.696	2.823	-0.273	2.109	1.609	3.202	1.963	1.923	1.595	0.576	0.357	0.273	0.296
Percentage of InvestmentIncomeInterestAndOtherNonoperatingIncomeExpense	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0

slab:LineOfCreditFacilityContingentIncreaseAdditionalBorrowingCapacity us-gaap:StatementScenario, us-gaap:CreditFacility

slab:LineOfCreditFacilityContingentIncreaseAdditionalBorrowingCapacity

slab:ScenarioCompanysOptionToIncreaseBorrowingCapacity, us-gaap:LineOfCredit

Period End	2021-07-03	2021-04-03	2021-01-02
Value	0.0	250	0.0
Percentage of LineOfCreditFacilityContingentIncreaseAdditionalBorrowingCapacity	0.0	100.0	0.0

slab:LineOfCreditFacilityContingentIncreaseAdditionalBorrowingCapacityBasedOnEbitda us-gaap:StatementScenario, us-gaap:CreditFacility

slab:LineOfCreditFacilityContingentIncreaseAdditionalBorrowingCapacityBasedOnEbitda

slab:ScenarioCompanysOptionToIncreaseBorrowingCapacity, us-gaap:LineOfCredit

Period End	2021-07-03	2021-04-03
Value	0	100.0
Percentage of LineOfCreditFacilityContingentIncreaseAdditionalBorrowingCapacityBasedOnEbitda	0.0	100.0

slab:LineOfCreditFacilityMaximumLeverageRatio us-gaap:StatementScenario, us-gaap:CreditFacility

slab:LineOfCreditFacilityMaximumLeverageRatio

slab:ScenarioCreditFacilityDebtCovenant, us-gaap:LineOfCredit

Period End	2021-07-03	2021-04-03	2021-01-02
Value	0	4.25	0
Percentage of LineOfCreditFacilityMaximumLeverageRatio	0.0	100.0	0.0

slab:LineOfCreditFacilityMaximumSecuredLeverageRatio us-gaap:StatementScenario, us-gaap:CreditFacility

slab:LineOfCreditFacilityMaximumSecuredLeverageRatio

slab:ScenarioCompanysOptionToIncreaseBorrowingCapacity, us-gaap:LineOfCredit

Period End	2021-07-03	2021-04-03	2021-01-02
Value	0	3.25	0
Percentage of LineOfCreditFacilityMaximumSecuredLeverageRatio	0.0	100.0	0.0

slab:ScenarioCreditFacilityDebtCovenant, us-gaap:LineOfCredit

Period End	2021-07-03	2021-04-03	2021-01-02
Value	0	3.5	0
Percentage of LineOfCreditFacilityMaximumSecuredLeverageRatio	0.0	107.7	0.0

slab:LineOfCreditFacilityMinimumInterestCoverageRatio us-gaap:StatementScenario, us-gaap:CreditFacility

slab:LineOfCreditFacilityMinimumInterestCoverageRatio

slab:ScenarioCreditFacilityDebtCovenant, us-gaap:LineOfCredit

Period End	2021-07-03	2021-04-03	2021-01-02
Value	0	2.5	0
Percentage of LineOfCreditFacilityMinimumInterestCoverageRatio	0.0	100.0	0.0

slab:SharesExcludedFromCalculationOfDilutedSharesDueToLossFromContinuingOperations

Period End	2021-07-03	2020-07-04
Value	1000000.0	300000.0
Percentage of SharesExcludedFromCalculationOfDilutedSharesDueToLossFromContinuingOperations	100.0	100.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebt

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04
Value	0.0	-0.748	-1.138	-4.136	35
Percentage of AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebt	0.0	100.0	100.0	100.0	100.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebt us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04
Value	0.0	-0.748	-1.138	-4.136	35
Percentage of AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebt	0.0	100.0	100.0	100.0	100.0

us-gaap:AllocatedShareBasedCompensationExpenseNetOfTax

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-07-04	2015-04-04	2014-09-27	2014-06-28	2014-03-29	2013-12-28	2013-09-28	2013-06-29	2013-03-30	2012-12-29	2012-09-29	2012-06-30	2012-03-31	2011-12-31	2011-10-01	2011-07-02	2011-04-02	2011-01-01	2010-10-02	2010-07-03
Value	10	12	15	13	13	13	14	12	15	9.264	11	11	10	6.973	11	8.681	7.991	5.204	7.705	7.071	8.248	8.108	6.304	8.133	9.875	9.215	8.456	8.695	7.966	7.685	7.716	7.254	5.512	6.668	6.943	7.511	5.144	7.629	8.27	7.813	8.446	7.929	9.009	9.156
Percentage of AllocatedShareBasedCompensationExpenseNetOfTax	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0

us-gaap:AmortizationOfDebtDiscountPremium us-gaap:DebtInstrument

us-gaap:AmortizationOfDebtDiscountPremium

us-gaap:ConvertibleNotesPayable

Period End	2020-07-04	2019-06-29
Value	4.132	2.9
Percentage of AmortizationOfDebtDiscountPremium	100.0	100.0

us-gaap:AmortizationOfDebtDiscountPremium us-gaap:LongtermDebtType

us-gaap:ConvertibleNotesPayable

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28
Value	4.992	5.938	5.956	6.041	4.132	3.246	3.001	2.93
Percentage of AmortizationOfDebtDiscountPremium	0.0	0.0	0.0	0.0	100.0	0.0	0.0	0.0

us-gaap:AmortizationOfFinancingCostsAndDiscounts

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01
Value	5.366	6.456	6.487	6.587	4.623	3.736	3.454	3.372	3.338	3.321	3.314	3.224	3.185	3.169	3.162	3.077	3.038	0.869
Percentage of AmortizationOfFinancingCostsAndDiscounts	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0

us-gaap:BusinessCombinationAcquisitionRelatedCosts us-gaap:BusinessAcquisition, us-gaap:IncomeStatementLocation

us-gaap:BusinessCombinationAcquisitionRelatedCosts

slab:RedpineSignals, us-gaap:SellingGeneralAndAdministrativeExpenses

Period End	2021-01-02
Value	0
Percentage of BusinessCombinationAcquisitionRelatedCosts	0.0

us-gaap:ContractWithCustomerLiabilityCumulativeCatchUpAdjustmentToRevenueChangeInEstimateOfTransactionPrice

Period End	2021-01-02
Value	11
Percentage of ContractWithCustomerLiabilityCumulativeCatchUpAdjustmentToRevenueChangeInEstimateOfTransactionPrice	100.0

us-gaap:ContractWithCustomerPerformanceObligationSatisfiedInPreviousPeriod

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31
Value	8.4	12	1.599999999999998	18	13	11	0.7	14	13	11	0.4	15	15	12
Percentage of ContractWithCustomerPerformanceObligationSatisfiedInPreviousPeriod	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0

us-gaap:DebtConversionOriginalDebtAmount1 us-gaap:StatementScenario, us-gaap:DebtInstrument

us-gaap:DebtConversionOriginalDebtAmount1

slab:ConversionOfNotesHolders, slab:ConvertibleSeniorNotes1.375Percent

Period End	2021-01-06
Value	130
Percentage of DebtConversionOriginalDebtAmount1	100.0

us-gaap:DebtInstrumentBasisSpreadOnVariableRate1 us-gaap:CreditFacility, us-gaap:VariableRate

us-gaap:DebtInstrumentBasisSpreadOnVariableRate1

slab:RevolvingCreditFacilityOtherThanSwinglineLoans, us-gaap:Eurodollar

Period End	2021-04-03	2020-04-04	2019-03-30
Value	1.0	0.01	0.01
Percentage of DebtInstrumentBasisSpreadOnVariableRate1	100.0	100.0	100.0

slab:RevolvingCreditFacilityOtherThanSwinglineLoans, us-gaap:FederalFundsEffectiveSwapRate

Period End	2021-04-03	2020-04-04
Value	0.5	0.005
Percentage of DebtInstrumentBasisSpreadOnVariableRate1	50.0	50.0

us-gaap:DebtInstrumentBasisSpreadOnVariableRate1 us-gaap:Range, us-gaap:CreditFacility, us-gaap:VariableRate

srt:Maximum, slab:RevolvingCreditFacilityOtherThanSwinglineLoans, us-gaap:BaseRate

Period End	2021-04-03	2020-04-04
Value	0.75	0.0075
Percentage of DebtInstrumentBasisSpreadOnVariableRate1	75.0	75.0

srt:Maximum, slab:RevolvingCreditFacilityOtherThanSwinglineLoans, us-gaap:Eurodollar

Period End	2021-04-03	2020-04-04	2019-03-30
Value	1.75	0.0175	0.02
Percentage of DebtInstrumentBasisSpreadOnVariableRate1	175.0	175.0	200.0

srt:Minimum, slab:RevolvingCreditFacilityOtherThanSwinglineLoans, us-gaap:Eurodollar

Period End	2021-04-03	2020-04-04	2019-03-30
Value	1.0	0.01	0.0125
Percentage of DebtInstrumentBasisSpreadOnVariableRate1	100.0	100.0	125.0

us-gaap:DeferredIncomeTaxesAndTaxCredits

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-07-04	2015-04-04
Value	-2.447	-3.197	0.849	-8.559	3.541	-2.364	-1.483	0.488	27	-3.53	-5.216	2.836	-1.05	-4.78	-20.749	0.539	-2.183	-4.059	-2.627	-2.277	0.855	-0.038	-3.707	-2.321	-2.952	6.844
Percentage of DeferredIncomeTaxesAndTaxCredits	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0

us-gaap:Depreciation

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-07-04	2015-04-04	2014-09-27	2014-06-28	2014-03-29	2013-12-28	2013-09-28	2013-06-29	2013-03-30	2012-12-29	2012-09-29	2012-06-30	2012-03-31	2011-12-31	2011-10-01	2011-07-02	2011-04-02	2011-01-01	2010-10-02	2010-07-03	2010-04-03
Value	3.655	4.529	4.884	4.468	4.245	4.183	4.208	4.228	4.31	4.137	4.131	4.138	3.939	3.704	3.698	3.76	3.712	3.596	3.304	3.237	3.365	3.31	3.224	3.264	3.042	2.987	3.085	3.137	3.29	3.441	3.416	3.337	3.297	3.374	3.498	3.206	3.543	3.451	3.439	3.427	3.253	3.061	2.915	2.942	2.879
Percentage of Depreciation	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0

us-gaap:DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax

us-gaap:DiscontinuedOperationsHeldforsale, slab:InfrastructureAndAutomativeBusiness

Period End	2021-07-03	2020-07-04
Value	37	38
Percentage of DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax	100.0	100.0

us-gaap:DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare

us-gaap:DiscontinuedOperationsHeldforsale, slab:InfrastructureAndAutomativeBusiness

Period End	2021-07-03	2020-07-04
Value	0.86	0.78
Percentage of DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare	100.0	100.0

us-gaap:DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare

us-gaap:DiscontinuedOperationsHeldforsale, slab:InfrastructureAndAutomativeBusiness

Period End	2021-07-03	2020-07-04
Value	0.84	0.78
Percentage of DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare	100.0	100.0

us-gaap:DiscontinuedOperationTaxEffectOfDiscontinuedOperation us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:DiscontinuedOperationTaxEffectOfDiscontinuedOperation

us-gaap:DiscontinuedOperationsHeldforsale, slab:InfrastructureAndAutomativeBusiness

Period End	2021-07-03	2020-07-04
Value	-502000.0	4609000.0
Percentage of DiscontinuedOperationTaxEffectOfDiscontinuedOperation	100.0	100.0

us-gaap:DisposalGroupIncludingDiscontinuedOperationCostsOfGoodsSold us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:DisposalGroupIncludingDiscontinuedOperationCostsOfGoodsSold

us-gaap:DiscontinuedOperationsHeldforsale, slab:InfrastructureAndAutomativeBusiness

Period End	2021-07-03	2020-07-04
Value	70	54
Percentage of DisposalGroupIncludingDiscontinuedOperationCostsOfGoodsSold	100.0	100.0

us-gaap:DisposalGroupIncludingDiscontinuedOperationRevenue us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:DisposalGroupIncludingDiscontinuedOperationRevenue

us-gaap:DiscontinuedOperationsHeldforsale, slab:InfrastructureAndAutomativeBusiness

Period End	2021-07-03	2020-07-04
Value	108	93
Percentage of DisposalGroupIncludingDiscontinuedOperationRevenue	100.0	100.0

us-gaap:EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-07-04	2015-04-04	2014-09-27	2014-06-28	2014-03-29	2013-12-28	2013-09-28	2013-06-29	2013-03-30	2012-12-29	2012-09-29	2012-06-30	2012-03-31	2011-12-31	2011-10-01	2011-07-02	2011-04-02	2011-01-01	2010-10-02	2010-07-03
Value	0.577	1.665	0.606	0.884	0.76	1.366	0.525	0.817	-2.186	3.32	1.375	0.619	1.677	5.219	-0.058	2.674	3.175	5.282	1.866	2.124	2.27	2.236	5.689	1.089	1.182	1.304	1.158	0.587	1.311	0.811	0.904	0.17	0.748	0.712	0.988	1.661	1.549	1.262	0.88	0.788	1.027	1.134	1.321	1.519
Percentage of EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0

us-gaap:ExtinguishmentOfDebtAmount us-gaap:StatementScenario, us-gaap:DebtInstrument

us-gaap:ExtinguishmentOfDebtAmount

slab:ConversionOfNotesHolders, slab:ConvertibleSeniorNotes1.375Percent

Period End	2021-01-06
Value	10
Percentage of ExtinguishmentOfDebtAmount	100.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring, us-gaap:AuctionRateSecurities

Period End	2021-07-03	2021-04-03	2021-01-02	2019-12-28	2019-09-28	2019-06-29	2018-12-29	2018-09-29
Value	-162000.0	-78000.0	-60000.0	-68000.0	68000.0	-114000.0	9000.0	108000.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0

us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTax

Period End	2021-07-03	2020-07-04
Value	38	34
Percentage of IncomeLossFromDiscontinuedOperationsNetOfTax	100.0	100.0

us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity

us-gaap:DiscontinuedOperationsHeldforsale, slab:InfrastructureAndAutomativeBusiness

Period End	2021-07-03	2020-07-04
Value	38	34
Percentage of IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	100.0	100.0

us-gaap:IncomeTaxExaminationEstimateOfPossibleLoss us-gaap:StatementGeographical

us-gaap:IncomeTaxExaminationEstimateOfPossibleLoss

country:NO

Period End	2020-07-04	2020-04-04
Value	1.4	13
Percentage of IncomeTaxExaminationEstimateOfPossibleLoss	100.0	100.0

us-gaap:IncomeTaxExaminationEstimateOfPossibleLoss us-gaap:StatementGeographical, us-gaap:LitigationStatus, us-gaap:TaxPeriod

country:NO, us-gaap:PendingLitigation, us-gaap:TaxYear2013

Period End	2021-07-03	2021-04-03	2020-10-03	2020-07-04	2020-04-04
Value	0.0	141	0.0	0.0	141
Percentage of IncomeTaxExaminationEstimateOfPossibleLoss	0.0	0.0	0.0	0.0	1046.7

us-gaap:IncreaseDecreaseInOtherNoncurrentLiabilities

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-07-04	2015-04-04	2014-09-27	2014-06-28	2014-03-29
Value	-1.398	-2.066	21	6.29	1.832	-0.862	-1.081	-2.735	-2.591	-0.631	-1.497	-4.618	-1.411	-1.849	-1.753	-6.1	0.367	-1.536	0.266	-0.154	-0.153	-10.584	-1.13	-4.409	-1.806	-3.816	2.809	-1.014	-23.585
Percentage of IncreaseDecreaseInOtherNoncurrentLiabilities	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-07-04	2015-04-04	2014-09-27	2014-06-28	2014-03-29	2013-12-28	2013-09-28	2013-06-29	2013-03-30	2012-12-29	2012-09-29	2012-06-30	2012-03-31	2011-12-31	2011-10-01	2011-07-02	2011-04-02	2011-01-01	2010-10-02	2010-07-03	2010-04-03
Value	-8.132	13	45	27	1.755	-23.576	14	-12.075	-4.916	-6.41	11	-8.108	-15.41	17	-1.76	-10.967	-5.831	-6.708	10	-4.122	5.877	-9.159	9.279	-7.957	8.132	-8.584	-9.233	10	-14.266	0.908	6.629	-0.403	-4.62	2.654	-8.477	-0.225	-4.581	6.175	-1.248	-3.478	4.499	-0.206	8.735	-4.181	0.973
Percentage of IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0

us-gaap:InterestExpenseDebtExcludingAmortization us-gaap:DebtInstrument

us-gaap:InterestExpenseDebtExcludingAmortization

us-gaap:ConvertibleNotesPayable

Period End	2020-07-04	2019-06-29
Value	1374000.0	1360000.0
Percentage of InterestExpenseDebtExcludingAmortization	100.0	100.0

us-gaap:InterestExpenseDebtExcludingAmortization us-gaap:LongtermDebtType

us-gaap:ConvertibleNotesPayable

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28
Value	836000.0	1163000.0	1324000.0	1365000.0	1374000.0	1467000.0	1375000.0	1360000.0
Percentage of InterestExpenseDebtExcludingAmortization	0.0	0.0	0.0	0.0	100.0	0.0	0.0	0.0

us-gaap:InvestmentIncomeNet us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:InvestmentIncomeNet

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss

Period End	2020-10-03	2020-07-04	2019-12-28	2019-09-28	2018-12-29
Value	253000.0	121000.0	30000.0	188000.0	0
Percentage of InvestmentIncomeNet	100.0	100.0	100.0	100.0	0.0

us-gaap:InvestmentIncomeNonoperating

Period End	2021-07-03	2021-04-03	2020-07-04	2020-04-04
Value	0.647	2.875	3.267	3.251
Percentage of InvestmentIncomeNonoperating	100.0	100.0	100.0	100.0

us-gaap:NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic

Period End	2021-07-03	2020-07-04
Value	-18491000.0	-36045000.0
Percentage of NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic	100.0	100.0

us-gaap:OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-07-04	2015-04-04	2014-09-27	2014-06-28	2014-03-29	2013-12-28	2013-09-28	2013-06-29	2013-03-30	2012-12-29	2012-09-29	2012-06-30	2012-03-31	2011-12-31	2011-10-01	2011-07-02
Value	-375000.0	-2010000.0	-58000.0	-951000.0	3725000.0	-1237000.0	49000.0	-359000.0	1445000.0	1675000.0	119000.0	371000.0	32000.0	-732000.0	-1265000.0	129000.0	163000.0	-1563000.0	1693000.0	182000.0	133000.0	-471000.0	174000.0	-140000.0	-181000.0	-506000.0	752000.0	-284000.0	415000.0	150000.0	227000.0	-83000.0	110000.0	-98000.0	1178000.0	259000.0	1000000.0	96000.0	711000.0	654000.0
Percentage of OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31
Value	388000.0	-657000.0	685000.0	-341000.0	496000.0	-809000.0	74000.0	-451000.0	44000.0	12000.0	-535000.0	3000.0	-397000.0	-24000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2017-12-30
Value	160000.0	159000.0	0	-62000.0	-282000.0	-141000.0	-179000.0	-174000.0	-194000.0	-237000.0	-152000.0	-131000.0	-33000.0	0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax	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	0.0

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-07-04	2015-04-04	2014-09-27	2014-06-28	2014-03-29	2013-12-28	2013-09-28	2013-06-29	2013-03-30	2012-12-29	2012-09-29	2012-06-30	2012-03-31	2011-12-31	2011-10-01	2011-07-02
Value	-297000.0	-1588000.0	-46000.0	-751000.0	2942000.0	-977000.0	40000.0	-284000.0	1141000.0	1323000.0	93000.0	293000.0	25000.0	-578000.0	-822000.0	84000.0	106000.0	-1017000.0	1101000.0	119000.0	86000.0	-306000.0	112000.0	-90000.0	-118000.0	-329000.0	489000.0	-185000.0	270000.0	97000.0	148000.0	-54000.0	71000.0	-63000.0	766000.0	168000.0	650000.0	63000.0	462000.0	425000.0
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	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-04-01	2016-12-31	2016-10-01	2016-07-02	2016-04-02	2016-01-02
Value	-297000.0	-1588000.0	-46000.0	-751000.0	2942000.0	-977000.0	40000.0	-284000.0	1141000.0	1323000.0	93000.0	293000.0	25000.0	-578000.0	-1017000.0	1101000.0	118000.0	86000.0	-306000.0	112000.0
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	99.2	100.0	100.0	100.0

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2018-12-29	2013-06-29
Value	39000.0	358000.0	35000.0	253000.0	121000.0	100000.0	30000.0	188000.0	0	232000.0
Percentage of OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	0.0	100.0

us-gaap:OtherComprehensiveIncomeLossTaxPortionAttributableToParent1

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-07-04	2015-04-04	2014-09-27	2014-06-28	2014-03-29	2013-12-28	2013-09-28	2013-06-29	2013-03-30	2012-12-29	2012-09-29	2012-06-30	2012-03-31	2011-12-31	2011-10-01	2011-07-02
Value	-78000.0	-422000.0	-12000.0	-200000.0	783000.0	-260000.0	9000.0	-75000.0	304000.0	352000.0	26000.0	78000.0	7000.0	-154000.0	-443000.0	45000.0	57000.0	-546000.0	592000.0	63000.0	47000.0	-165000.0	62000.0	-50000.0	-63000.0	-177000.0	263000.0	-99000.0	145000.0	53000.0	79000.0	-29000.0	39000.0	-35000.0	412000.0	91000.0	350000.0	33000.0	249000.0	229000.0
Percentage of OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-07-04	2015-04-04	2014-09-27	2014-06-28	2014-03-29	2013-12-28	2013-09-28	2013-06-29	2013-03-30	2012-12-29	2012-09-29	2012-06-30	2012-03-31	2011-12-31	2011-10-01	2011-07-02
Value	-564000.0	-836000.0	-708000.0	-760000.0	3068000.0	-469000.0	-174000.0	106000.0	1207000.0	1426000.0	502000.0	237000.0	396000.0	-757000.0	-1265000.0	129000.0	163000.0	245000.0	-42000.0	-84000.0	198000.0	-251000.0	-246000.0	154000.0	-312000.0	-20000.0	417000.0	59000.0	413000.0	19000.0	653000.0	-1093000.0	-115000.0	-138000.0	621000.0	-182000.0	699000.0	-432000.0	296000.0	586000.0
Percentage of OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0

us-gaap:OtherIncomeTaxExpenseBenefitContinuingOperations

Period End	2021-07-03
Value	9600000.0
Percentage of OtherIncomeTaxExpenseBenefitContinuingOperations	100.0

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30
Value	1.915	17	0.562	0.806	0.462	16	0.602	1.184	0.396	14	0.556	0.519	0.537	17	0.883	0.769
Percentage of PaymentsRelatedToTaxWithholdingForShareBasedCompensation	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0

us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesDebt

Period End	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-07-04	2015-04-04	2014-09-27	2014-06-28	2014-03-29	2013-12-28	2013-09-28	2013-06-29	2013-03-30	2012-12-29	2012-09-29	2012-06-30	2012-03-31	2011-12-31	2011-10-01	2011-07-02	2011-04-02	2011-01-01	2010-10-02	2010-07-03	2010-04-03
Value	101	218	128	70	117	122	120	63	141	105	95	52	164	82	121	267	53	39	47	44	51	8.525	33	13	19	74	43	49	42	43	78	53	33	22	82	64	37	44	31	64	77	95	121
Percentage of PaymentsToAcquireAvailableForSaleSecuritiesDebt	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0

us-gaap:PaymentsToAcquireBusinessesGross us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType

us-gaap:PaymentsToAcquireBusinessesGross

slab:SkyworksSolutionsInc, us-gaap:SubsequentEvent

Period End	2021-04-22
Value	2750
Percentage of PaymentsToAcquireBusinessesGross	100.0

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired

Period End	2021-01-02	2020-10-03	2018-12-29	2018-09-29	2017-12-30	2017-09-30	2013-12-28	2012-12-29	2011-12-31	2011-10-01	2011-01-01	2010-10-02
Value	0.0	0.0	0.0	0.0	1.51	0.0	0.0	0.0	0.0	0.0	9.67	0.0
Percentage of PaymentsToAcquireBusinessesNetOfCashAcquired	0.0	0.0	0.0	0.0	100.0	0.0	0.0	0.0	0.0	0.0	100.0	0.0

us-gaap:PaymentsToAcquireMarketableSecurities

Period End	2021-07-03	2021-04-03	2020-07-04	2020-04-04
Value	72	8.251	128	70
Percentage of PaymentsToAcquireMarketableSecurities	100.0	100.0	100.0	100.0

us-gaap:PaymentsToAcquireOtherProductiveAssets

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29
Value	0.0	0.578	0.29	0.46	0.45	0.37	1.264	4.544	2.174	0.414	1.975	3.195
Percentage of PaymentsToAcquireOtherProductiveAssets	0.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0

us-gaap:ProceedsFromIssuanceOfCommonStock

Period End	2021-01-02	2020-10-03	2019-12-28	2019-09-28	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2016-01-02	2015-10-03	2014-09-27	2014-06-28	2014-03-29	2013-12-28	2013-09-28	2013-06-29	2013-03-30	2012-12-29	2012-09-29	2012-06-30	2012-03-31	2011-12-31	2011-10-01	2011-07-02	2011-04-02	2011-01-01	2010-10-02	2010-07-03	2010-04-03
Value	6.86	0.398	7.388	-0.001	6.718	0.0	5.374	1.211	4.979	0.0	6.674	0.162	4.848	1.089	4.423	0.108	-0.384	3.447	5.496	3.401	2.388	4.597	4.915	12	0.113	2.816	0.106	5.34	-0.169	6.069	-3.58	3.049	-2.238	9.761	7.483
Percentage of ProceedsFromIssuanceOfCommonStock	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	100.0	100.0	100.0	100.0	100.0	100.0	100.0

us-gaap:ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities

Period End	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-07-04	2015-04-04	2014-09-27	2014-06-28	2014-03-29	2013-12-28	2013-09-28	2013-06-29	2013-03-30	2012-12-29	2012-09-29	2012-06-30	2012-03-31
Value	70	172	128	126	76	116	52	99	102	76	166	128	150	51	66	25	32	50	32	46	35	43	35	57	38	33	28	23	40	121	25	25	23	125	60
Percentage of ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0

us-gaap:ProceedsFromSaleAndMaturityOfMarketableSecurities

Period End	2021-07-03	2021-04-03	2020-07-04	2020-04-04	2012-12-29	2012-09-29	2012-06-30	2012-03-31	2011-12-31	2011-10-01	2011-07-02	2011-04-02	2011-01-01	2010-10-02	2010-07-03	2010-04-03
Value	125	161	128	126	25	23	125	60	27	61	49	55	75	118	91	67
Percentage of ProceedsFromSaleAndMaturityOfMarketableSecurities	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0

us-gaap:RepaymentsOfLinesOfCredit us-gaap:DebtInstrument

us-gaap:RepaymentsOfLinesOfCredit

slab:ConvertibleSeniorNotes1.375Percent

Period End	2021-01-02	2020-06-01
Value	6.0	276
Percentage of RepaymentsOfLinesOfCredit	100.0	100.0

us-gaap:StockIssuedDuringPeriodSharesNewIssues us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodSharesNewIssues

us-gaap:CommonStock

Period End	2021-01-02
Value	100000.0
Percentage of StockIssuedDuringPeriodSharesNewIssues	100.0

us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensation us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensation

us-gaap:CommonStock

Period End	2021-07-03	2021-04-03	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31
Value	157000.0	296000.0	31000.0	126000.0	384000.0	123000.0	29000.0	127000.0	430.0	118000.0	18000.0	159000.0	520.0
Percentage of StockIssuedDuringPeriodSharesShareBasedCompensation	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31
Value	6.473	-17.817	6.298	-0.408	7.295	-16.294	6.786	-1.185	6.713	-14.113	6.162	-0.518	4.836	-16.663
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31
Value	6.473	-17.817	6.298	-0.408	7.295	-16.294	6.786	-1.185	6.713	-14.113	6.162	-0.518	4.836	-16.663
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0

us-gaap:StockRepurchasedAndRetiredDuringPeriodShares us-gaap:ShareRepurchaseProgram, us-gaap:StatementEquityComponents

us-gaap:StockRepurchasedAndRetiredDuringPeriodShares

slab:ShareRepurchaseProgramProgramAuthorizationDateOctober2017, us-gaap:CommonStock

Period End	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29
Value	0.0	0.0	0.0	0.2	0.0	0.0	-199.7	200	0.1	0.264
Percentage of StockRepurchasedAndRetiredDuringPeriodShares	0.0	0.0	0.0	100.0	0.0	0.0	100.0	100.0	100.0	100.0

us-gaap:StockRepurchasedAndRetiredDuringPeriodShares us-gaap:StatementEquityComponents

us-gaap:CommonStock

Period End	2021-07-03	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30
Value	0.142	0.001	-0.001	0.21	0.0	0.0	0.124	0.000177	0.143	0.221	0.036
Percentage of StockRepurchasedAndRetiredDuringPeriodShares	0.0	0.0	0.0	105.0	0.0	0.0	-0.1	0.0	143.0	83.7	0.0

us-gaap:StockRepurchasedAndRetiredDuringPeriodValue

Period End	2021-07-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2016-12-31	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-07-04	2015-04-04	2014-09-27	2013-12-28	2012-12-29	2012-09-29	2011-12-31	2011-10-01	2011-01-01	2010-10-02
Value	18	0.0	0.0	0.0	16	0.0	0.0	11	15	15	20	3.397	0.043	2.4	19	18	0.048	61	0.3	10	42	18	8.919	14	0.063	86	-280.632	40
Percentage of StockRepurchasedAndRetiredDuringPeriodValue	100.0	0.0	0.0	0.0	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	100.0	100.0	100.0	100.0	100.0	100.0

us-gaap:StockRepurchasedAndRetiredDuringPeriodValue us-gaap:ShareRepurchaseProgram, us-gaap:StatementEquityComponents

slab:ShareRepurchaseProgramProgramAuthorizationDateOctober2017, us-gaap:CommonStock

Period End	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29
Value	0.0	0.0	0.0	16	0.0	0.0	11	15	15	20
Percentage of StockRepurchasedAndRetiredDuringPeriodValue	0.0	0.0	0.0	100.1	0.0	0.0	99.9	100.0	100.0	100.1

us-gaap:StockRepurchasedAndRetiredDuringPeriodValue us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital

Period End	2021-07-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30
Value	18	0.0	0.0	0.0	16	0.0	0.0	11	15	15	20	3.397
Percentage of StockRepurchasedAndRetiredDuringPeriodValue	100.0	0.0	0.0	0.0	100.0	0.0	0.0	100.0	100.0	100.0	100.0	100.0

us-gaap:WeightedAverageNumberDilutedSharesOutstandingAdjustment

Period End	2021-07-03	2020-07-04
Value	44	43
Percentage of WeightedAverageNumberDilutedSharesOutstandingAdjustment	100.0	100.0

dei:EntityPublicFloat

Period End	2020-07-02
Value	4200
Percentage of EntityPublicFloat	100.0

slab:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughTenYearsAmortizedCost

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03
Value	149	151	202	228
Percentage of AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughTenYearsAmortizedCost	100.0	100.0	100.0	100.0

slab:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughTenYearsFairValue

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03
Value	150	151	203	230
Percentage of AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughTenYearsFairValue	100.0	100.0	100.0	100.0

slab:DeferredRevenueAndReturnsLiabilityCurrent

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31
Value	12	13	12	22	26	23	19	21	21	23	22	25	24	25
Percentage of DeferredRevenueAndReturnsLiabilityCurrent	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0

slab:DeferredTaxAssetsAccruedLiabilitiesAndOther

Period End	2021-01-02	2019-12-28	2018-12-29	2017-12-30	2016-12-31	2016-01-02	2015-01-03	2013-12-28	2012-12-29	2011-12-31	2011-01-01
Value	7.652	7.374	7.737	8.62	11	8.619	6.481	8.302	7.503	5.855	4.559
Percentage of DeferredTaxAssetsAccruedLiabilitiesAndOther	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0

slab:DeferredTaxAssetsCapitalizedResearchAndDevelopment

Period End	2021-01-02	2019-12-28	2018-12-29	2017-12-30	2016-12-31	2016-01-02	2015-01-03	2013-12-28	2012-12-29	2011-12-31
Value	1237000.0	1735000.0	2521000.0	3468000.0	6802000.0	8741000.0	7371000.0	8999000.0	9708000.0	1428000.0
Percentage of DeferredTaxAssetsCapitalizedResearchAndDevelopment	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0

slab:DeferredTaxAssetsLeases

Period End	2021-01-02	2019-12-28
Value	6335000.0	3446000.0
Percentage of DeferredTaxAssetsLeases	100.0	100.0

slab:DeferredTaxLiabilitiesConvertibleDebt

Period End	2021-01-02	2019-12-28	2018-12-29	2017-12-30
Value	21	5.741	8.08	10
Percentage of DeferredTaxLiabilitiesConvertibleDebt	100.0	100.0	100.0	100.0

slab:DeferredTaxLiabilitiesLeases

Period End	2021-01-02	2019-12-28
Value	5999000.0	3166000.0
Percentage of DeferredTaxLiabilitiesLeases	100.0	100.0

slab:DeferredTaxLiabilitiesPrepaidExpensesAndOther

Period End	2021-01-02	2019-12-28	2018-12-29	2017-12-30	2016-12-31	2016-01-02	2015-01-03	2013-12-28	2012-12-29	2011-12-31	2011-01-01
Value	4919000.0	2424000.0	2142000.0	1421000.0	3069000.0	1991000.0	1517000.0	1889000.0	1447000.0	913000.0	1234000.0
Percentage of DeferredTaxLiabilitiesPrepaidExpensesAndOther	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0

slab:InvestmentCommitmentLimitedPartnershipFundedPortion

Period End	2021-01-02
Value	7800000.0
Percentage of InvestmentCommitmentLimitedPartnershipFundedPortion	100.0

slab:RemovalOfFullyAmortizedIntangibleAssets

Period End	2021-01-02
Value	19
Percentage of RemovalOfFullyAmortizedIntangibleAssets	100.0

slab:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingAndExpectedToVestAggregateIntrinsicValue us-gaap:AwardType

slab:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingAndExpectedToVestAggregateIntrinsicValue

slab:PerformanceShareUnitsPsuAndMarketStockUnitsMsu

Period End	2021-01-02	2019-12-28	2018-12-29	2017-12-30	2016-12-31
Value	27	28	19	21	11
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingAndExpectedToVestAggregateIntrinsicValue	100.0	100.0	100.0	100.0	100.0

slab:RestrictedStockAwardsAndRestrictedStockUnitsRSU

Period End	2021-01-02	2019-12-28	2018-12-29	2017-12-30	2016-12-31	2016-01-02	2015-01-03
Value	130	118	90	126	101	70	78
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingAndExpectedToVestAggregateIntrinsicValue	476.9	415.6	458.9	590.2	854.6	0.0	0.0

slab:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingAndExpectedToVestNumber us-gaap:AwardType

slab:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingAndExpectedToVestNumber

slab:PerformanceShareUnitsPsuAndMarketStockUnitsMsu

Period End	2021-01-02	2019-12-28	2018-12-29	2017-12-30	2016-12-31
Value	215000.0	244000.0	249000.0	242000.0	184000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingAndExpectedToVestNumber	100.0	100.0	100.0	100.0	100.0

slab:RestrictedStockAwardsAndRestrictedStockUnitsRSU

Period End	2021-01-02	2019-12-28	2018-12-29	2017-12-30	2016-12-31	2016-01-02	2015-01-03
Value	1026000.0	1014000.0	1147000.0	1430000.0	1568000.0	1450000.0	1654000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingAndExpectedToVestNumber	477.2	415.6	460.6	590.9	852.2	0.0	0.0

us-gaap:AssetsFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:AssetsFairValueDisclosure

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-07-04	2015-04-04	2015-01-03	2014-09-27	2014-06-28	2014-03-29	2013-12-28	2013-09-28	2013-06-29	2013-03-30	2012-12-29	2012-09-29	2012-06-30	2012-03-31	2011-12-31	2011-10-01	2011-07-02	2011-01-01
Value	179	72	116	166	256	253	177	208	156	161	132	151	153	202	254	170	138	135	81	50	41	46	37	63	43	58	73	28	17	85	39	61	119	77	60	91	85	72	61	74	299	325
Percentage of AssetsFairValueDisclosure	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-07-04	2015-04-04	2015-01-03	2014-09-27	2014-06-28	2014-03-29	2013-12-28	2013-09-28	2013-06-29	2013-03-30	2012-12-29	2012-09-29	2012-06-30	2012-03-31	2011-12-31	2011-10-01	2011-01-01
Value	295	363	501	446	393	362	414	382	391	361	387	348	308	362	412	450	423	416	154	120	135	130	146	116	163	154	210	237	254	201	190	170	158	199	164	127	118	217	201	166	222
Percentage of AssetsFairValueDisclosure	164.5	501.6	430.4	268.0	153.1	143.3	233.7	183.2	249.5	223.6	292.5	230.8	200.7	179.1	162.4	264.2	305.3	307.1	188.7	237.3	324.1	279.5	387.8	184.1	374.2	262.5	287.8	826.9	1471.3	236.7	482.6	278.8	133.4	255.6	273.0	138.8	137.7	298.6	325.1	222.0	68.6

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-07-04	2015-04-04	2015-01-03	2014-09-27	2014-06-28	2014-03-29	2013-12-28	2013-09-28	2013-06-29	2013-03-30	2012-12-29	2012-09-29	2012-06-30	2012-03-31	2011-12-31	2011-10-01	2011-07-02	2011-01-01
Value	5.1	5.262	5.34	5.4	5.4	5.4	5.647	5.715	5.647	5.761	5.759	5.75	5.642	5.609	5.681	5.471	5.379	5.257	5.196	6.98	6.921	6.845	7.126	7.24	7.179	7.401	7.419	11	10	10	10	10	10	11	11	11	11	17	17	17	17	17
Percentage of AssetsFairValueDisclosure	2.8	7.3	4.6	3.2	2.1	2.1	3.2	2.7	3.6	3.6	4.3	3.8	3.7	2.8	2.2	3.2	3.9	3.9	6.3	13.8	16.6	14.6	18.9	11.4	16.4	12.6	10.2	40.1	63.5	12.9	26.9	17.5	8.6	14.4	18.8	12.4	12.8	24.4	28.2	23.8	5.8	5.4

us-gaap:AssetsFairValueDisclosure us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2017-12-30	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-01-03
Value	480	441	622	618	655	621	598	596	554	528	525	505	672	177	183	184	191	187	290
Percentage of AssetsFairValueDisclosure	267.3	608.9	535.0	371.2	255.2	245.5	336.9	286.0	353.1	327.1	396.8	334.6	264.6	351.1	440.7	394.1	506.7	295.5	398.0

us-gaap:AssetsOfDisposalGroupIncludingDiscontinuedOperation us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:AssetsOfDisposalGroupIncludingDiscontinuedOperation

us-gaap:DiscontinuedOperationsHeldforsale, slab:InfrastructureAndAutomativeBusiness

Period End	2021-07-03	2021-01-02
Value	297	286
Percentage of AssetsOfDisposalGroupIncludingDiscontinuedOperation	100.0	100.0

us-gaap:AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent

Period End	2021-07-03	2021-01-02
Value	297	21
Percentage of AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent	100.0	100.0

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2016-04-02	2016-01-02	2015-10-03	2015-07-04	2015-04-04	2015-01-03	2014-09-27	2013-12-28	2012-03-31
Value	481	441	621	616	185	191	187	215	221	290	277	50	54
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03
Value	6.3	18	38	38
Percentage of AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost	100.0	100.0	100.0	100.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03
Value	5.4	18	38	37
Percentage of AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	100.0	100.0	100.0	100.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03
Value	324	270	380	349
Percentage of AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	100.0	100.0	100.0	100.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03
Value	325	271	381	350
Percentage of AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	100.0	100.0	100.0	100.0

us-gaap:AvailableForSaleSecuritiesDebtSecurities

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03
Value	480	441	622	618
Percentage of AvailableForSaleSecuritiesDebtSecurities	100.0	100.0	100.0	100.0

us-gaap:CashAndCashEquivalentsFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:CashAndCashEquivalentsFairValueDisclosure

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-07-04	2015-04-04	2015-01-03	2014-09-27	2014-06-28	2014-03-29	2013-12-28	2013-09-28	2013-06-29	2013-03-30	2012-12-29	2012-09-29	2012-06-30	2012-03-31	2011-12-31	2011-10-01	2011-07-02	2011-01-01
Value	161	67	77	119	179	167	92	128	84	106	84	89	82	136	159	107	78	85	69	36	31	40	37	63	43	58	72	28	16	85	39	61	119	44	47	70	66	54	50	66	100	97
Percentage of CashAndCashEquivalentsFairValueDisclosure	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring

Period End	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-07-04	2015-04-04	2015-01-03	2014-09-27	2014-06-28	2014-03-29	2013-12-28	2013-09-28	2013-06-29	2013-03-30	2012-12-29	2011-01-01
Value	1.202	17	2.35	24	5.847	1.325	5.291	11	34	18	34	32	9.419	12	30	33	70	11	3.257	3.008	9.773	17	3.903	15	5.6	17	20	19	6.121	10	15	6.55	2.314	1.0	2.659
Percentage of CashAndCashEquivalentsFairValueDisclosure	1.8	22.5	2.0	13.8	3.5	1.4	4.1	13.8	32.2	22.3	38.5	39.3	6.9	7.9	28.1	42.7	82.6	15.9	9.0	9.5	24.0	45.8	6.2	36.4	9.5	23.7	72.7	117.9	7.2	27.1	26.1	5.5	5.2	2.1	2.7

us-gaap:CashAndCashEquivalentsFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring, us-gaap:MoneyMarketFunds

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30
Value	161	67	75	115	179	167	92	128	84	84	74	89	82	111	106
Percentage of CashAndCashEquivalentsFairValueDisclosure	100.0	100.0	97.0	96.4	100.0	100.0	100.0	100.0	100.0	79.4	88.9	100.0	100.0	81.7	66.4

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring, us-gaap:USGovernmentDebtSecurities

Period End	2021-01-02	2020-10-03	2019-03-30	2018-12-29	2018-03-31	2017-12-30
Value	2.355	4.335	21	9.338	24	53
Percentage of CashAndCashEquivalentsFairValueDisclosure	3.0	3.6	20.6	11.1	18.3	33.6

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:CorporateDebtSecurities

Period End	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30
Value	1.202	14	2.35	2.397	5.847	1.325	5.291	11	14	18	27	23	9.419	11
Percentage of CashAndCashEquivalentsFairValueDisclosure	1.8	19.2	2.0	1.3	3.5	1.4	4.1	13.8	13.8	22.3	30.4	29.1	6.9	7.0

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:USGovernmentDebtSecurities

Period End	2021-01-02	2020-07-04	2019-03-30	2018-09-29	2018-06-30	2017-12-30
Value	2.564	22	19	7.2	8.359	1.453
Percentage of CashAndCashEquivalentsFairValueDisclosure	3.3	12.5	18.4	8.1	10.2	0.9

us-gaap:CashAndCashEquivalentsFairValueDisclosure us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2017-12-30	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-01-03
Value	161	68	95	121	203	173	93	133	96	140	103	123	172	39	34	50	55	67	89
Percentage of CashAndCashEquivalentsFairValueDisclosure	100.0	101.8	122.5	102.0	113.8	103.5	101.4	104.1	113.8	132.2	122.3	138.5	107.9	109.0	109.5	124.0	145.8	106.2	123.7

us-gaap:CashAndCashEquivalentsFairValueDisclosure us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument

us-gaap:FairValueMeasurementsRecurring, us-gaap:CorporateDebtSecurities

Period End	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2017-12-30
Value	1.202	14	2.35	2.397	5.847	1.325	5.291	11	14	18	27	11
Percentage of CashAndCashEquivalentsFairValueDisclosure	1.8	19.2	2.0	1.3	3.5	1.4	4.1	13.8	13.8	22.3	30.4	7.0

us-gaap:FairValueMeasurementsRecurring, us-gaap:MoneyMarketFunds

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2017-12-30
Value	161	67	75	115	179	167	92	128	84	84	74	89	106
Percentage of CashAndCashEquivalentsFairValueDisclosure	100.0	100.0	97.0	96.4	100.0	100.0	100.0	100.0	100.0	79.4	88.9	100.0	66.4

us-gaap:FairValueMeasurementsRecurring, us-gaap:USGovernmentDebtSecurities

Period End	2021-01-02	2020-10-03	2020-07-04	2019-03-30	2018-12-29	2018-09-29	2017-12-30
Value	4.919	4.335	22	41	9.338	7.2	55
Percentage of CashAndCashEquivalentsFairValueDisclosure	6.3	3.6	12.5	39.0	11.1	8.1	34.5

us-gaap:CommonStockCapitalSharesReservedForFutureIssuance

Period End	2021-01-02	2019-12-28	2018-12-29	2017-12-30	2016-12-31	2016-01-02	2015-01-03	2013-12-28	2012-12-29	2011-12-31
Value	1.823	2.592	3.328	4.05	2.437	3.874	5.151	6.641	8.295	10
Percentage of CommonStockCapitalSharesReservedForFutureIssuance	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0

us-gaap:CommonStockCapitalSharesReservedForFutureIssuance us-gaap:PlanName

slab:EmployeeStockPurchasePlan2009

Period End	2021-01-02	2019-12-28	2018-12-29	2017-12-30	2016-12-31	2016-01-02	2015-01-03	2013-12-28	2012-12-29
Value	0.6	0.777	0.985	1.208	0.447	0.671	0.882	0.636	0.826
Percentage of CommonStockCapitalSharesReservedForFutureIssuance	32.9	30.0	29.6	29.8	18.3	17.3	17.1	9.6	10.0

slab:StockIncentivePlan2009

Period End	2021-01-02	2019-12-28	2018-12-29	2017-12-30	2016-12-31	2016-01-02	2015-01-03	2013-12-28	2012-12-29
Value	1.223	1.815	2.343	2.827	1.935	2.991	3.74	4.913	5.773
Percentage of CommonStockCapitalSharesReservedForFutureIssuance	67.1	70.0	70.4	69.8	79.4	77.2	72.6	74.0	69.6

us-gaap:ConvertibleDebt us-gaap:CumulativeEffectPeriodOfAdoption, us-gaap:StatementScenario, us-gaap:AdjustmentsForNewAccountingPronouncements

us-gaap:ConvertibleDebt

srt:CumulativeEffectPeriodOfAdoptionAdjustment, srt:ScenarioForecast, slab:AccountingStandardsUpdate202006

Period End	2022-01-02
Value	78
Percentage of ConvertibleDebt	100.0

us-gaap:ConvertibleDebtCurrent

Period End	2021-01-02
Value	134
Percentage of ConvertibleDebtCurrent	100.0

us-gaap:ConvertibleDebtNoncurrent

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30
Value	439	434	428	561	571	371	368	364	361	358	354	351	348	345	341
Percentage of ConvertibleDebtNoncurrent	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0

us-gaap:DebtInstrumentCarryingAmount us-gaap:DebtInstrument

us-gaap:DebtInstrumentCarryingAmount

slab:ConvertibleSeniorNotes1.375Percent

Period End	2021-01-06	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2017-12-30
Value	140	400	400	400	400	400	400	400	400	400
Percentage of DebtInstrumentCarryingAmount	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0

us-gaap:ConvertibleNotesPayable

Period End	2020-07-04	2019-12-28
Value	698	400
Percentage of DebtInstrumentCarryingAmount	0.0	100.0

us-gaap:DebtInstrumentCarryingAmount us-gaap:LongtermDebtType

us-gaap:ConvertibleNotesPayable

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2019-12-28
Value	535	535	675	680	400
Percentage of DebtInstrumentCarryingAmount	0.0	0.0	0.0	0.0	100.0

us-gaap:DebtInstrumentCarryingAmount us-gaap:StatementScenario, us-gaap:DebtInstrument

slab:ConversionOfNotesCompany, slab:ConvertibleSeniorNotes1.375Percent

Period End	2021-01-06
Value	140
Percentage of DebtInstrumentCarryingAmount	100.0

us-gaap:DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent us-gaap:DebtInstrument

us-gaap:DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent

us-gaap:ConvertibleNotesPayable

Period End	2020-07-04	2019-12-28
Value	113	57
Percentage of DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent	100.0	100.0

us-gaap:DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent us-gaap:LongtermDebtType

us-gaap:ConvertibleNotesPayable

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2019-12-28
Value	107	107	108	109	57
Percentage of DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent	0.0	0.0	0.0	0.0	100.0

us-gaap:DebtInstrumentFairValue us-gaap:DebtInstrument

us-gaap:DebtInstrumentFairValue

slab:ConvertibleSeniorNotes0.625Percent

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04
Value	743	691	671	575	569
Percentage of DebtInstrumentFairValue	100.0	100.0	100.0	100.0	100.0

slab:ConvertibleSeniorNotes1.375Percent

Period End	2021-01-02	2020-10-03	2020-07-04	2019-12-28
Value	194	174	196	524
Percentage of DebtInstrumentFairValue	29.0	30.3	34.5	0.0

us-gaap:DebtInstrumentInterestRateEffectivePercentage us-gaap:DebtInstrument

us-gaap:DebtInstrumentInterestRateEffectivePercentage

slab:ConvertibleSeniorNotes0.625Percent

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04
Value	5.336	5.336	5.336	5.336	0.05336
Percentage of DebtInstrumentInterestRateEffectivePercentage	100.0	100.0	100.0	100.0	100.0

slab:ConvertibleSeniorNotes1.375Percent

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2017-12-30
Value	4.75	4.75	4.75	4.75	0.0475	0.0475	0.0475	0.0475	0.0475	0.0475	0.0475
Percentage of DebtInstrumentInterestRateEffectivePercentage	89.0	89.0	89.0	89.0	89.0	0.0	0.0	0.0	0.0	0.0	0.0

us-gaap:DebtInstrumentRepurchaseAmount us-gaap:DebtInstrument

us-gaap:DebtInstrumentRepurchaseAmount

slab:ConvertibleSeniorNotes1.375Percent

Period End	2021-01-02	2020-10-03	2020-06-01
Value	259	254	236
Percentage of DebtInstrumentRepurchaseAmount	100.0	100.0	100.0

us-gaap:DebtInstrumentUnamortizedDiscount us-gaap:DebtInstrument

us-gaap:DebtInstrumentUnamortizedDiscount

us-gaap:ConvertibleNotesPayable

Period End	2020-07-04	2019-12-28
Value	117	27
Percentage of DebtInstrumentUnamortizedDiscount	100.0	100.0

us-gaap:DebtInstrumentUnamortizedDiscount us-gaap:LongtermDebtType

us-gaap:ConvertibleNotesPayable

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2019-12-28
Value	88	93	103	110	27
Percentage of DebtInstrumentUnamortizedDiscount	0.0	0.0	0.0	0.0	100.0

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger

Period End	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2017-12-30
Value	5.262	5.34	5.4	5.4	5.4	12	35	97	122	170	78	20
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger us-gaap:FinancialInstrument

us-gaap:AuctionRateSecurities

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2017-12-30
Value	5.1	5.262	5.34	5.4	5.4	5.4	5.647	5.715	5.647	5.761	5.759	5.75	5.681
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	0.0	100.0	100.0	100.0	100.0	100.0	43.9	16.2	5.8	4.7	3.4	7.4	28.0

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss

Period End	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2017-12-30
Value	738000.0	660000.0	600000.0	600000.0	600000.0	360000.0	322000.0	496000.0	743000.0	1272000.0	837000.0	407000.0
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss us-gaap:FinancialInstrument

us-gaap:AuctionRateSecurities

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2017-12-30
Value	900000.0	738000.0	660000.0	600000.0	600000.0	600000.0	353000.0	285000.0	353000.0	239000.0	241000.0	250000.0	319000.0
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	0.0	100.0	100.0	100.0	100.0	100.0	98.1	88.5	71.2	32.2	18.9	29.9	78.4

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months

Period End	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2017-12-30
Value	66	62	80	65	169	80	80	13	42	125	252	396
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months us-gaap:FinancialInstrument

us-gaap:CorporateDebtSecurities

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2017-12-30
Value	47	59	51	61	57	164	68	56	1.575	31	112	129	151
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	0.0	89.9	83.6	76.4	87.6	96.8	85.1	70.3	11.5	73.1	89.5	51.2	38.2

us-gaap:USGovernmentDebtSecurities

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2017-12-30
Value	21	6.719	10	18	8.186	5.428	11	23	12	11	13	123	244
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	0.0	10.1	16.4	23.6	12.4	3.2	14.9	29.7	88.5	26.9	10.5	48.8	61.8

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss

Period End	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2017-12-30
Value	62000.0	79000.0	68000.0	66000.0	980000.0	100000.0	130000.0	7000.0	36000.0	283000.0	1030000.0	1378000.0
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss us-gaap:FinancialInstrument

us-gaap:CorporateDebtSecurities

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2017-12-30
Value	68000.0	56000.0	74000.0	59000.0	65000.0	967000.0	81000.0	100000.0	1000.0	33000.0	273000.0	437000.0	447000.0
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	0.0	90.3	93.7	86.8	98.5	98.7	81.0	76.9	14.3	91.7	96.5	42.4	32.4

us-gaap:USGovernmentDebtSecurities

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2017-12-30
Value	26000.0	6000.0	5000.0	9000.0	1000.0	13000.0	19000.0	30000.0	6000.0	3000.0	10000.0	593000.0	931000.0
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	0.0	9.7	6.3	13.2	1.5	1.3	19.0	23.1	85.7	8.3	3.5	57.6	67.6

us-gaap:DebtSecuritiesAvailableForSaleMeasurementInput us-gaap:Range, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancialInstrument, us-gaap:MeasurementInputType, us-gaap:ValuationTechnique

us-gaap:DebtSecuritiesAvailableForSaleMeasurementInput

srt:WeightedAverage, us-gaap:FairValueInputsLevel3, us-gaap:AuctionRateSecurities, us-gaap:MeasurementInputDiscountRate, us-gaap:ValuationTechniqueDiscountedCashFlow

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29
Value	2.26	2.57	2.09	2.0	0.0215	0.0328	0.0303	0.0267	0.031	0.0343	3.76	0.0397
Percentage of DebtSecuritiesAvailableForSaleMeasurementInput	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0

srt:WeightedAverage, us-gaap:FairValueInputsLevel3, us-gaap:AuctionRateSecurities, us-gaap:MeasurementInputExpectedDividendRate, us-gaap:ValuationTechniqueDiscountedCashFlow

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29
Value	1.19	1.18	1.56	1.95	0.0222	0.0285	0.0349	0.0359	0.0338	0.0342	3.23	0.0299
Percentage of DebtSecuritiesAvailableForSaleMeasurementInput	52.7	45.9	74.6	97.5	103.3	86.9	115.2	134.5	109.0	99.7	85.9	75.3

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPosition

Period End	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2017-12-30
Value	71	67	85	71	175	92	115	111	164	296	330	416
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPosition	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPosition us-gaap:FinancialInstrument

us-gaap:AuctionRateSecurities

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2017-12-30
Value	5.1	5.262	5.34	5.4	5.4	5.4	5.647	5.715	5.647	5.761	5.759	5.75	5.681
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPosition	0.0	7.4	7.9	6.3	7.6	3.1	6.1	5.0	5.1	3.5	1.9	1.7	1.4

us-gaap:CorporateDebtSecurities

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2017-12-30
Value	47	59	51	61	57	164	68	64	34	74	189	162	162
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPosition	0.0	83.2	77.0	71.6	80.9	93.8	73.3	56.3	31.1	45.5	63.7	49.3	39.1

us-gaap:USGovernmentDebtSecurities

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2017-12-30
Value	21	6.719	10	18	8.186	5.428	19	44	70	83	101	161	247
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPosition	0.0	9.4	15.1	22.1	11.5	3.1	20.6	38.8	63.8	51.0	34.4	49.0	59.5

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss

Period End	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2017-12-30
Value	800000.0	739000.0	668000.0	666000.0	1580000.0	460000.0	452000.0	503000.0	779000.0	1555000.0	1867000.0	1785000.0
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss us-gaap:FinancialInstrument

us-gaap:AuctionRateSecurities

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2017-12-30
Value	900000.0	738000.0	660000.0	600000.0	600000.0	600000.0	353000.0	285000.0	353000.0	239000.0	241000.0	250000.0	319000.0
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	0.0	92.2	89.3	89.8	90.1	38.0	76.7	63.1	70.2	30.7	15.5	13.4	17.9

us-gaap:CorporateDebtSecurities

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2017-12-30
Value	68000.0	56000.0	74000.0	59000.0	65000.0	967000.0	81000.0	102000.0	46000.0	212000.0	721000.0	655000.0	520000.0
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	0.0	7.0	10.0	8.8	9.8	61.2	17.6	22.6	9.1	27.2	46.4	35.1	29.1

us-gaap:USGovernmentDebtSecurities

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2017-12-30
Value	26000.0	6000.0	5000.0	9000.0	1000.0	13000.0	26000.0	65000.0	104000.0	328000.0	593000.0	962000.0	946000.0
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	0.0	0.8	0.7	1.3	0.2	0.8	5.7	14.4	20.7	42.1	38.1	51.5	53.0

us-gaap:DeferredIncomeTaxLiabilities

Period End	2021-01-02	2019-12-28	2018-12-29	2017-12-30	2016-12-31	2016-01-02	2015-01-03	2013-12-28	2012-12-29	2011-12-31
Value	57	32	35	26	62	64	38	42	31	52
Percentage of DeferredIncomeTaxLiabilities	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0

us-gaap:DeferredTaxAssetsDeferredIncome

Period End	2021-01-02	2019-12-28	2018-12-29	2017-12-30	2016-12-31	2016-01-02	2015-01-03	2013-12-28	2012-12-29	2011-12-31	2011-01-01
Value	3099000.0	4018000.0	5824000.0	7070000.0	9338000.0	7413000.0	8117000.0	5733000.0	3933000.0	3895000.0	3299000.0
Percentage of DeferredTaxAssetsDeferredIncome	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0

us-gaap:DeferredTaxAssetsGoodwillAndIntangibleAssets

Period End	2021-01-02	2019-12-28
Value	9802000.0	7135000.0
Percentage of DeferredTaxAssetsGoodwillAndIntangibleAssets	100.0	100.0

us-gaap:DeferredTaxAssetsGross

Period End	2021-01-02	2019-12-28	2018-12-29	2017-12-30	2016-12-31	2016-01-02	2015-01-03	2013-12-28	2012-12-29	2011-12-31	2011-01-01
Value	60	49	75	69	100	98	69	77	73	82	67
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

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards

Period End	2021-01-02	2019-12-28	2018-12-29	2017-12-30	2016-12-31	2016-01-02	2015-01-03	2013-12-28	2012-12-29	2011-12-31	2011-01-01
Value	6.839	7.912	9.973	12	21	25	31	38	35	21	10
Percentage of DeferredTaxAssetsOperatingLossCarryforwards	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0

us-gaap:DeferredTaxAssetsPropertyPlantAndEquipment

Period End	2021-01-02	2019-12-28
Value	261000.0	289000.0
Percentage of DeferredTaxAssetsPropertyPlantAndEquipment	100.0	100.0

us-gaap:DeferredTaxAssetsTaxCreditCarryforwards

Period End	2021-01-02	2019-12-28
Value	22	14
Percentage of DeferredTaxAssetsTaxCreditCarryforwards	100.0	100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost

Period End	2021-01-02	2019-12-28	2018-12-29	2017-12-30	2016-12-31	2016-01-02	2015-01-03	2013-12-28	2012-12-29	2011-12-31	2011-01-01
Value	2.683	2.619	4.36	5.256	7.396	8.757	6.353	6.757	8.133	9.963	10
Percentage of DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets

Period End	2021-01-02	2019-12-28	2018-12-29	2017-12-30	2016-12-31	2016-01-02	2015-01-03	2013-12-28	2012-12-29	2011-12-31	2011-01-01
Value	16	16	20	13	25	33	33	38	28	18	15
Percentage of DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment

Period End	2021-01-02	2019-12-28
Value	8473000.0	4969000.0
Percentage of DeferredTaxLiabilitiesPropertyPlantAndEquipment	100.0	100.0

us-gaap:DerivativeNotionalAmount us-gaap:Currency, us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation

us-gaap:DerivativeNotionalAmount

currency:INR, us-gaap:ForeignExchangeForward, us-gaap:Nondesignated

Period End	2021-07-03
Value	5.3
Percentage of DerivativeNotionalAmount	100.0

currency:SGD, us-gaap:ForeignExchangeForward, us-gaap:Nondesignated

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03
Value	8.9	16	11	17
Percentage of DerivativeNotionalAmount	167.9	0.0	0.0	0.0

us-gaap:DerivativeNotionalAmount us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship

us-gaap:ForeignExchangeForward, us-gaap:CashFlowHedging

Period End	2021-07-03	2021-04-03	2021-01-02	2020-07-04	2020-04-04	2019-12-28	2019-09-28
Value	23	22	29	1.2	2.8	5.0	7.2
Percentage of DerivativeNotionalAmount	435.8	0.0	0.0	0.0	0.0	0.0	0.0

us-gaap:DerivativeNotionalAmount us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation

us-gaap:ForeignExchangeForward, us-gaap:Nondesignated

Period End	2020-07-04	2020-04-04	2019-12-28	2019-09-28
Value	17	6.1	6.2	5.7
Percentage of DerivativeNotionalAmount	0.0	0.0	0.0	0.0

us-gaap:DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent

Period End	2021-01-02
Value	265
Percentage of DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent	100.0

us-gaap:DisposalGroupIncludingDiscontinuedOperationConsideration us-gaap:CounterpartyName, us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:DisposalGroupIncludingDiscontinuedOperationConsideration

slab:SkyworksSolutionsInc, us-gaap:DiscontinuedOperationsHeldforsale, slab:InfrastructureAndAutomativeBusiness

Period End	2021-04-22
Value	2750
Percentage of DisposalGroupIncludingDiscontinuedOperationConsideration	100.0

us-gaap:DisposalGroupIncludingDiscontinuedOperationInventory1 us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:DisposalGroupIncludingDiscontinuedOperationInventory1

us-gaap:DiscontinuedOperationsHeldforsale, slab:InfrastructureAndAutomativeBusiness

Period End	2021-07-03	2021-01-02
Value	30	18
Percentage of DisposalGroupIncludingDiscontinuedOperationInventory1	100.0	100.0

us-gaap:DisposalGroupIncludingDiscontinuedOperationOtherAssets us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:DisposalGroupIncludingDiscontinuedOperationOtherAssets

us-gaap:DiscontinuedOperationsHeldforsale, slab:InfrastructureAndAutomativeBusiness

Period End	2021-07-03	2021-01-02
Value	9947000.0	9772000.0
Percentage of DisposalGroupIncludingDiscontinuedOperationOtherAssets	100.0	100.0

us-gaap:DisposalGroupIncludingDiscontinuedOperationOtherCurrentLiabilities us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:DisposalGroupIncludingDiscontinuedOperationOtherCurrentLiabilities

us-gaap:DiscontinuedOperationsHeldforsale, slab:InfrastructureAndAutomativeBusiness

Period End	2021-07-03	2021-01-02
Value	699000.0	433000.0
Percentage of DisposalGroupIncludingDiscontinuedOperationOtherCurrentLiabilities	100.0	100.0

us-gaap:DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentLiabilities us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentLiabilities

us-gaap:DiscontinuedOperationsHeldforsale, slab:InfrastructureAndAutomativeBusiness

Period End	2021-01-02
Value	451000.0
Percentage of DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentLiabilities	100.0

us-gaap:DisposalGroupIncludingDiscontinuedOperationPrepaidAndOtherAssets us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:DisposalGroupIncludingDiscontinuedOperationPrepaidAndOtherAssets

us-gaap:DiscontinuedOperationsHeldforsale, slab:InfrastructureAndAutomativeBusiness

Period End	2021-07-03	2021-01-02
Value	1876000.0	2204000.0
Percentage of DisposalGroupIncludingDiscontinuedOperationPrepaidAndOtherAssets	100.0	100.0

us-gaap:EmployeeRelatedLiabilitiesCurrent

Period End	2021-01-02	2019-12-28	2018-12-29	2017-12-30	2016-12-31	2016-01-02	2015-01-03	2013-12-28	2012-12-29	2011-12-31	2011-01-01
Value	46	41	37	33	28	27	28	24	22	17	15
Percentage of EmployeeRelatedLiabilitiesCurrent	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03
Value	110	66	78	89
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	100.0	100.0	100.0	100.0

us-gaap:EquityMethodInvestments us-gaap:BalanceSheetLocation, us-gaap:ConcentrationRiskByBenchmark

us-gaap:EquityMethodInvestments

us-gaap:OtherAssets, us-gaap:EquityMethodInvestments

Period End	2021-01-02
Value	10
Percentage of EquityMethodInvestments	100.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring, us-gaap:AuctionRateSecurities

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2017-12-30	2016-12-31
Value	5.1	5.262	5.34	5.4	5.4	5.4	5.647	5.715	5.647	5.761	5.759	5.75	5.642	5.681	5.196
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization

Period End	2021-01-02	2019-12-28	2018-12-29	2017-12-30	2016-12-31	2016-01-02	2015-01-03	2013-12-28	2012-12-29	2011-12-31	2011-01-01
Value	163	138	125	110	85	80	53	45	31	30	26
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization us-gaap:FiniteLivedIntangibleAssetsByMajorClass

slab:CoreAndDevelopedTechnology

Period End	2021-01-02	2019-12-28	2018-12-29	2017-12-30	2016-12-31	2016-01-02	2015-01-03	2013-12-28	2012-12-29	2011-12-31	2011-01-01
Value	125	111	102	89	70	70	47	41	30	30	22
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization	76.7	80.6	81.3	80.8	82.2	87.5	89.4	92.7	95.7	98.3	83.5

us-gaap:CustomerRelationships

Period End	2021-01-02	2019-12-28	2018-12-29	2017-12-30	2016-12-31	2016-01-02	2015-01-03	2013-12-28	2012-12-29	2011-12-31	2011-01-01
Value	31	22	21	16	11	7.259	4.003	2.33	1.057	0.523	1.766
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization	19.5	16.4	16.8	14.6	13.3	9.1	7.5	5.2	3.4	1.7	6.6

us-gaap:Trademarks

Period End	2021-01-02	2019-12-28	2018-12-29	2017-12-30	2016-12-31	2016-01-02	2015-01-03	2013-12-28	2012-12-29
Value	6.312	4.145	2.442	2.344	1.629	0.952	0.433	0.195	0.038
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization	3.9	3.0	1.9	2.1	1.9	1.2	0.8	0.4	0.1

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths

Period End	2021-01-02
Value	44
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive

Period End	2021-01-02
Value	12
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour

Period End	2021-01-02
Value	21
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree

Period End	2021-01-02
Value	24
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo

Period End	2021-01-02
Value	33
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	100.0

us-gaap:FiniteLivedIntangibleAssetsGross

Period End	2021-01-02	2019-12-28	2018-12-29	2017-12-30	2016-12-31	2016-01-02	2015-01-03	2013-12-28	2012-12-29	2011-12-31	2011-01-01
Value	317	272	296	193	188	200	168	158	107	82	70
Percentage of FiniteLivedIntangibleAssetsGross	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0

us-gaap:FiniteLivedIntangibleAssetsGross us-gaap:FiniteLivedIntangibleAssetsByMajorClass

slab:CoreAndDevelopedTechnology

Period End	2021-01-02	2019-12-28	2018-12-29	2017-12-30	2016-12-31	2016-01-02	2015-01-03	2013-12-28	2012-12-29	2011-12-31	2011-01-01
Value	261	219	237	161	157	170	148	138	95	79	64
Percentage of FiniteLivedIntangibleAssetsGross	82.4	80.5	80.0	83.4	83.2	85.2	88.3	87.5	88.8	96.9	91.1

us-gaap:CustomerRelationships

Period End	2021-01-02	2019-12-28	2018-12-29	2017-12-30	2016-12-31	2016-01-02	2015-01-03	2013-12-28	2012-12-29	2011-12-31	2011-01-01
Value	43	40	46	25	24	23	14	14	8.1	2.51	3.41
Percentage of FiniteLivedIntangibleAssetsGross	13.6	15.0	15.8	13.1	13.2	11.6	8.6	9.2	7.5	3.1	4.8

us-gaap:Trademarks

Period End	2021-01-02	2019-12-28	2018-12-29	2017-12-30	2016-12-31	2016-01-02	2015-01-03	2013-12-28	2012-12-29
Value	12	12	12	3.69	3.69	3.49	2.21	2.21	0.91
Percentage of FiniteLivedIntangibleAssetsGross	4.0	4.5	4.2	1.9	2.0	1.7	1.3	1.4	0.8

us-gaap:IntangibleAssetsGrossExcludingGoodwill

Period End	2021-01-02	2019-12-28	2017-12-30	2016-12-31	2016-01-02	2015-01-03	2013-12-28	2012-12-29
Value	329	272	193	188	201	168	176	122
Percentage of IntangibleAssetsGrossExcludingGoodwill	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0

us-gaap:InventoryWorkInProcess

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-07-04	2015-04-04	2015-01-03	2014-09-27	2014-06-28	2014-03-29	2013-12-28	2013-09-28	2013-06-29	2013-03-30	2012-12-29	2012-09-29	2012-06-30	2012-03-31	2011-12-31	2011-10-01	2011-07-02	2011-01-01
Value	45	68	56	50	48	47	52	49	48	46	50	51	57	52	46	53	47	42	40	39	38	34	36	38	46	45	40	35	34	34	34	34	37	44	42	35	29	28	28	32	33	32
Percentage of InventoryWorkInProcess	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0

us-gaap:LesseeOperatingLeaseDiscountRate

Period End	2021-01-02	2019-12-28
Value	4.37	5.26
Percentage of LesseeOperatingLeaseDiscountRate	100.0	100.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

Period End	2021-01-02
Value	6787000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	100.0

us-gaap:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation

us-gaap:DiscontinuedOperationsHeldforsale, slab:InfrastructureAndAutomativeBusiness

Period End	2021-07-03	2021-01-02
Value	699000.0	884000.0
Percentage of LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation	100.0	100.0

us-gaap:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent

Period End	2021-07-03	2021-01-02
Value	699000.0	433000.0
Percentage of LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent	100.0	100.0

us-gaap:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent

Period End	2021-01-02
Value	451000.0
Percentage of LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent	100.0

us-gaap:LiabilitiesOtherThanLongtermDebtNoncurrent

Period End	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2017-09-30	2017-07-01	2017-04-01	2016-12-31	2016-10-01	2016-07-02	2016-04-02	2016-01-02	2015-10-03	2015-07-04	2015-04-04	2015-01-03	2014-09-27	2014-06-28	2014-03-29	2013-12-28	2013-09-28	2013-06-29	2013-03-30	2012-12-29	2012-09-29	2011-12-31
Value	78	80	60	59	52	53	56	59	71	57	57	76	75	77	36	43	42	42	26	27	28	40	37	41	45	43	32	29	30	55	70	17	19	20	22	24
Percentage of LiabilitiesOtherThanLongtermDebtNoncurrent	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0

us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity us-gaap:CreditFacility

us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity

us-gaap:RevolvingCreditFacility

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-06-30	2018-12-29	2015-07-24	2015-07-04	2012-07-31
Value	400	400	400	400	400	300	300	130	130
Percentage of LineOfCreditFacilityMaximumBorrowingCapacity	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0

us-gaap:NotesAndLoansReceivableNetNoncurrent us-gaap:BalanceSheetLocation, us-gaap:ConcentrationRiskByBenchmark

us-gaap:NotesAndLoansReceivableNetNoncurrent

us-gaap:OtherAssets, us-gaap:NotesReceivable

Period End	2021-01-02
Value	1600000.0
Percentage of NotesAndLoansReceivableNetNoncurrent	100.0

us-gaap:OperatingLossCarryforwards us-gaap:BusinessAcquisition, us-gaap:IncomeTaxAuthority

us-gaap:OperatingLossCarryforwards

slab:SiliconClocksSpectraLinearAndEmber, us-gaap:DomesticCountry

Period End	2021-01-02	2019-12-28
Value	23	27
Percentage of OperatingLossCarryforwards	100.0	100.0

us-gaap:OperatingLossCarryforwards us-gaap:IncomeTaxAuthority

us-gaap:StateAndLocalJurisdiction

Period End	2021-01-02	2019-12-28	2018-12-29	2017-12-30	2016-12-31	2016-01-02	2015-01-03	2013-12-28	2012-12-29	2011-12-31
Value	31	33	43	44	49	54	57	63	78	60
Percentage of OperatingLossCarryforwards	136.2	118.6	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0

us-gaap:OtherAssetsFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:OtherAssetsFairValueDisclosure

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30	2016-12-31
Value	5100000.0	5262000.0	5340000.0	5400000.0	5400000.0	5400000.0	5647000.0	5715000.0	5647000.0	5761000.0	5759000.0	5750000.0	5642000.0	5609000.0	5681000.0	5196000.0
Percentage of OtherAssetsFairValueDisclosure	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0

us-gaap:OtherAssetsFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring, us-gaap:AuctionRateSecurities

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2018-06-30	2018-03-31	2017-12-30
Value	5100000.0	5262000.0	5340000.0	5400000.0	5400000.0	5400000.0	5647000.0	5715000.0	5647000.0	5761000.0	5759000.0	5750000.0	5642000.0	5609000.0	5681000.0
Percentage of OtherAssetsFairValueDisclosure	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0

us-gaap:OtherAssetsFairValueDisclosure us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2017-12-30	2016-10-01	2016-01-02	2015-01-03
Value	5100000.0	5262000.0	5340000.0	5400000.0	5400000.0	5400000.0	5647000.0	5715000.0	5647000.0	5761000.0	5759000.0	5750000.0	5681000.0	72000.0	92000.0	331000.0
Percentage of OtherAssetsFairValueDisclosure	100.0	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	0.0

us-gaap:OtherAssetsFairValueDisclosure us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument

us-gaap:FairValueMeasurementsRecurring, us-gaap:AuctionRateSecurities

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2020-07-04	2020-04-04	2019-12-28	2019-09-28	2019-06-29	2019-03-30	2018-12-29	2018-09-29	2017-12-30
Value	5100000.0	5262000.0	5340000.0	5400000.0	5400000.0	5400000.0	5647000.0	5715000.0	5647000.0	5761000.0	5759000.0	5750000.0	5681000.0
Percentage of OtherAssetsFairValueDisclosure	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0

us-gaap:PrepaidExpenseCurrent

Period End	2021-01-02	2019-12-28
Value	51	38
Percentage of PrepaidExpenseCurrent	100.0	100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber

slab:PerformanceShareUnitsPsuAndMarketStockUnitsMsu

Period End	2021-01-02	2019-12-28	2018-12-29	2017-12-30	2016-12-31	2016-01-02
Value	233000.0	262000.0	282000.0	259000.0	229000.0	250000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	100.0	100.0	100.0	100.0	100.0	100.0

slab:RestrictedStockAwardsAndRestrictedStockUnitsRSU

Period End	2021-01-02	2019-12-28	2018-12-29	2017-12-30	2016-12-31	2016-01-02	2015-01-03	2013-12-28
Value	1106000.0	1084000.0	1218000.0	1523000.0	1689000.0	1554000.0	1781000.0	1835000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	474.7	413.7	431.9	588.0	737.6	621.6	0.0	0.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber

us-gaap:EmployeeStockOption

Period End	2021-01-02
Value	127000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice

us-gaap:EmployeeStockOption

Period End	2021-01-02
Value	39.16
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue

us-gaap:EmployeeStockOption

Period End	2021-01-02
Value	11
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue

us-gaap:EmployeeStockOption

Period End	2021-01-02
Value	11
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue	100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber

us-gaap:EmployeeStockOption

Period End	2021-01-02
Value	127000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber	100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice

us-gaap:EmployeeStockOption

Period End	2021-01-02
Value	39.16
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice	100.0

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding us-gaap:AwardType

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding

slab:PerformanceShareUnitsPsuAndMarketStockUnitsMsu

Period End	2021-01-02	2019-12-28	2018-12-29
Value	29	30	22
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding	100.0	100.0	100.0

slab:RestrictedStockAwardsAndRestrictedStockUnitsRSU

Period End	2021-01-02	2019-12-28	2018-12-29
Value	140	126	95
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding	474.0	412.8	431.4

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1 us-gaap:AwardType

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1

us-gaap:EmployeeStockOption

Period End	2021-01-02
Value	11
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	100.0

us-gaap:TaxCreditCarryforwardAmount us-gaap:IncomeTaxAuthority

us-gaap:TaxCreditCarryforwardAmount

us-gaap:ForeignCountry

Period End	2021-01-02
Value	0.6
Percentage of TaxCreditCarryforwardAmount	100.0

us-gaap:TaxCreditCarryforwardAmount us-gaap:IncomeTaxAuthority, us-gaap:TaxCreditCarryforward

us-gaap:DomesticCountry, us-gaap:Research

Period End	2021-01-02	2019-12-28
Value	10	3.3
Percentage of TaxCreditCarryforwardAmount	1750.0	0.0

us-gaap:StateAndLocalJurisdiction, us-gaap:Research

Period End	2021-01-02	2019-12-28	2018-12-29
Value	13	12	13
Percentage of TaxCreditCarryforwardAmount	2166.7	0.0	0.0

us-gaap:TaxCutsAndJobsActOf2017TransitionTaxForAccumulatedForeignEarningsLiability

Period End	2021-01-02
Value	21
Percentage of TaxCutsAndJobsActOf2017TransitionTaxForAccumulatedForeignEarningsLiability	100.0

us-gaap:UnamortizedDebtIssuanceExpense us-gaap:DebtInstrument

us-gaap:UnamortizedDebtIssuanceExpense

us-gaap:ConvertibleNotesPayable

Period End	2020-07-04	2019-12-28
Value	9435000.0	4163000.0
Percentage of UnamortizedDebtIssuanceExpense	100.0	100.0

us-gaap:UnamortizedDebtIssuanceExpense us-gaap:LongtermDebtType

us-gaap:ConvertibleNotesPayable

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2019-12-28
Value	6645000.0	7019000.0	8189000.0	8754000.0	4163000.0
Percentage of UnamortizedDebtIssuanceExpense	0.0	0.0	0.0	0.0	100.0

us-gaap:UndistributedEarningsOfForeignSubsidiaries

Period End	2021-01-02
Value	94
Percentage of UndistributedEarningsOfForeignSubsidiaries	100.0

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate

Period End	2021-07-03	2021-04-03	2021-01-02	2020-10-03	2019-12-28	2018-12-29	2017-12-30	2016-12-31	2016-01-02	2015-01-03	2013-12-28	2012-12-29	2011-12-31	2011-01-01	2010-01-02
Value	2.7	2.5	2.1	2.0	1.9	2.1	3.2	2.2	3.2	4.0	4.8	4.1	10	10	12
Percentage of UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0

us-gaap:ValuationAllowancesAndReservesBalance

Period End	2021-01-02	2019-12-28	2018-12-29	2017-12-30
Value	5.311	4.486	4.975	6.518
Percentage of ValuationAllowancesAndReservesBalance	100.0	100.0	100.0	100.0

Line plots across dimensions of each concept

TTM Greenblatt ROC
_
(None,)

us-gaap:AllocatedShareBasedCompensationExpense
us-gaap:IncomeStatementLocation
(None,)

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:ProductOrService
(None,)

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:ContractWithCustomerSalesChannel
(None,)

us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents
(None,)

us-gaap:ShortTermInvestments
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
(None, 'us-gaap:FairValueMeasurementsRecurring')

us-gaap:ShortTermInvestments
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument
(None, 'us-gaap:FairValueMeasurementsRecurring', 'us-gaap:USGovernmentDebtSecurities')

us-gaap:ShortTermInvestments
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument
('us-gaap:FairValueInputsLevel2', 'us-gaap:FairValueMeasurementsRecurring', None)

us-gaap:ShortTermInvestments
us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument
('us-gaap:FairValueMeasurementsRecurring', None)

us-gaap:PropertyPlantAndEquipmentGross
us-gaap:PropertyPlantAndEquipmentByType
(None,)

us-gaap:PropertyPlantAndEquipmentNet
us-gaap:StatementGeographical
(None,)

us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents
(None,)

us-gaap:DebtInstrumentInterestRateStatedPercentage
us-gaap:DebtInstrument
(None,)

SLAB

Table of contents

Plots across concepts

Tables

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue

Common Stock Shares Issued

us-gaap:CommonStockSharesIssued

us-gaap:CommonStockSharesIssued

Preferred Stock Shares Authorized

us-gaap:PreferredStockSharesAuthorized

us-gaap:PreferredStockSharesAuthorized

Common Stock Shares Outstanding

us-gaap:CommonStockSharesOutstanding

us-gaap:CommonStockSharesOutstanding

us-gaap:CommonStockSharesOutstanding us-gaap:StatementEquityComponents

us-gaap:CommonStock

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities

us-gaap:StockCompensationPlan

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareBasic

Earnings Per Share Diluted

us-gaap:EarningsPerShareDiluted

us-gaap:EarningsPerShareDiluted

Income Loss From Continuing Operations Per Basic Share

us-gaap:IncomeLossFromContinuingOperationsPerBasicShare

us-gaap:IncomeLossFromContinuingOperationsPerBasicShare

Income Loss From Continuing Operations Per Diluted Share

us-gaap:IncomeLossFromContinuingOperationsPerDilutedShare

us-gaap:IncomeLossFromContinuingOperationsPerDilutedShare

Allocated Share Based Compensation Expense

us-gaap:AllocatedShareBasedCompensationExpense

us-gaap:AllocatedShareBasedCompensationExpense

us-gaap:AllocatedShareBasedCompensationExpense us-gaap:IncomeStatementLocation

us-gaap:CostOfSales

us-gaap:ResearchAndDevelopmentExpense

us-gaap:SellingGeneralAndAdministrativeExpenses

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTax

Cost Of Revenue

us-gaap:CostOfRevenue

us-gaap:CostOfRevenue

Gains Losses On Extinguishment Of Debt

us-gaap:GainsLossesOnExtinguishmentOfDebt

us-gaap:GainsLossesOnExtinguishmentOfDebt

us-gaap:GainsLossesOnExtinguishmentOfDebt us-gaap:DebtInstrument, us-gaap:IncomeStatementLocation

slab:ConvertibleSeniorNotes1.375Percent, us-gaap:InterestExpense

us-gaap:GainsLossesOnExtinguishmentOfDebt us-gaap:StatementScenario, us-gaap:DebtInstrument, us-gaap:IncomeStatementLocation

slab:ConversionOfNotesHolders, slab:ConvertibleSeniorNotes1.375Percent, us-gaap:InterestExpense

Gross Profit

us-gaap:GrossProfit

us-gaap:GrossProfit

Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome

Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest

us-gaap:IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest

us-gaap:IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxExpenseBenefit us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome