Supplemental Stockholders' Equity Information - Changes in Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 26, 2022	Jun. 30, 2023	Jun. 26, 2022
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, beginning of period	$ 1,576,790	$ 1,495,076	$ 1,599,972	$ 1,540,725
Other comprehensive income before reclassifications, before tax			5,232
Amounts reclassified from accumulated other comprehensive loss, before tax			3,106
Income tax expense			2,173
Net current-period other comprehensive income, net of tax	2,456	(100)	6,165	(3,835)
Balance, end of period	1,607,220	1,540,134	1,607,220	1,540,134
Foreign Currency Translation Adjustments
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, beginning of period			(510)
Other comprehensive income before reclassifications, before tax			1,134
Amounts reclassified from accumulated other comprehensive loss, before tax			0
Income tax expense			266
Net current-period other comprehensive income, net of tax			868
Balance, end of period	358		358
Funded Status of Benefit Plans
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, beginning of period			(348,947)
Other comprehensive income before reclassifications, before tax			0
Amounts reclassified from accumulated other comprehensive loss, before tax			3,106
Income tax expense			822
Net current-period other comprehensive income, net of tax			2,284
Balance, end of period	(346,663)		(346,663)
Net Unrealized Loss on Available-For-Sale Securities
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, beginning of period			(8,390)
Other comprehensive income before reclassifications, before tax			4,098
Amounts reclassified from accumulated other comprehensive loss, before tax			0
Income tax expense			1,085
Net current-period other comprehensive income, net of tax			3,013
Balance, end of period	(5,377)		(5,377)
Total Accumulated Other Comprehensive Loss
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, beginning of period	(354,138)	(386,937)	(357,847)	(383,202)
Net current-period other comprehensive income, net of tax	2,456	(100)	6,165	(3,835)
Balance, end of period	$ (351,682)	$ (387,037)	$ (351,682)	$ (387,037)