Supplemental Stockholders' Equity Information - Reclassifications Out of Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 26, 2022	Jun. 27, 2021	Jun. 26, 2022	Jun. 27, 2021
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Cost of revenue (excluding depreciation and amortization)	$ 1,624	$ 2,598	$ 3,146	$ 5,197
Total reclassification, before tax	85,641	72,560	91,478	123,130
Income tax expense	23,864	18,243	24,976	27,704
Total reclassification, net of tax	$ 61,777	$ 54,317	66,502	$ 95,426
Amounts reclassified from accumulated other comprehensive loss
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Total reclassification, before tax			10,124
Income tax expense			2,717
Total reclassification, net of tax			7,407
Amounts reclassified from accumulated other comprehensive loss | Amortization of prior service credit
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Cost of revenue (excluding depreciation and amortization)			(1,340)
Amounts reclassified from accumulated other comprehensive loss | Amortization of actuarial loss
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Cost of revenue (excluding depreciation and amortization)			$ 11,464