Supplemental Stockholders' Equity Information - Changes in Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 27, 2022	Mar. 28, 2021
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, beginning of period	$ 1,540,725	$ 1,328,111
Income tax (benefit)/expense	(1,380)	709
Other comprehensive (loss)/income, net of tax	(3,735)	1,928
Balance, end of period	1,495,076	1,355,462
Foreign Currency Translation Adjustments
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, beginning of period	3,754
Other comprehensive loss before reclassifications, before tax	(2,209)
Amounts reclassified from accumulated other comprehensive loss, before tax	0
Income tax (benefit)/expense	(601)
Other comprehensive (loss)/income, net of tax	(1,608)
Balance, end of period	2,146
Funded Status of Benefit Plans
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, beginning of period	(385,680)
Other comprehensive loss before reclassifications, before tax	0
Amounts reclassified from accumulated other comprehensive loss, before tax	5,010
Income tax (benefit)/expense	1,344
Other comprehensive (loss)/income, net of tax	3,666
Balance, end of period	(382,014)
Net Unrealized Loss on Available-For-Sale Securities
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, beginning of period	(1,276)
Other comprehensive loss before reclassifications, before tax	(7,916)
Amounts reclassified from accumulated other comprehensive loss, before tax	0
Income tax (benefit)/expense	(2,123)
Other comprehensive (loss)/income, net of tax	(5,793)
Balance, end of period	(7,069)
Total Accumulated Other Comprehensive Loss
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, beginning of period	(383,202)	(410,181)
Other comprehensive loss before reclassifications, before tax	(10,125)
Amounts reclassified from accumulated other comprehensive loss, before tax	5,010
Income tax (benefit)/expense	(1,380)
Other comprehensive (loss)/income, net of tax	(3,735)	1,928
Balance, end of period	$ (386,937)	$ (408,253)