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Income Taxes - Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 26, 2020 | Jun. 27, 2020 | Dec. 26, 2020 | Dec. 28, 2019 | Dec. 29, 2018
Income Tax Disclosure [Line Items] |  |  |  |  |
Federal income tax expense at U.S. statutory rate |  |  | $ 231,718 | $ 207,317 | $ 172,882
State income tax (benefit) expense, net of federal tax effect |  |  | (3,404) | 7,827 | 5,339
Foreign-Derived Intangible Income Deduction |  |  |  | (4,966) | (4,666)
Foreign tax rate differential |  |  | (98,130) | (57,302) | (38,563)
Other foreign taxes less incentives and credits |  |  | 3,446 | 6,360 | (12,841)
Withholding Tax |  |  | 17,026 | 32,162 | 33,306
Net Change in Uncertain Tax Positions |  |  | (21,391) | (17,259) | (13,728)
Federal Research and Development Credit |  |  | (21,342) | (19,338) | (16,562)
Share Based Compensation |  |  | (6,114) | (6,169) | (2,747)
Other, net |  |  | (1,739) | 4,093 | 6,747
Income tax provision (benefit) |  | $ 14,308 | 111,086 | 34,736 | $ 129,167
Swiss Federal Tax Administration (FTA) [Member] |  |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |  |
Switzerland Tax Reform | $ 11,016 |  | $ 11,016 | $ (117,989) |

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