Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Oct. 02, 2026	Sep. 26, 2025	Oct. 02, 2026	Sep. 26, 2025
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	$ (500,130)	$ 1,630,219	$ (739,723)	$ 1,417,611
Ending balance	(339,775)	1,635,924	(339,775)	1,635,924
Reclassification of stranded tax effects
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(4,809)	(4,809)	(4,809)	(4,809)
Gains (Losses) During the Period, Pre-tax Activity	0	0	0	0
Gains (Losses) During the Period, Tax Effect	0	0	0	0
Reclassification to Income, Pre-tax Activity	0	0	0	0
Reclassification to Income, Tax Effect	0	0	0	0
Ending balance	(4,809)	(4,809)	(4,809)	(4,809)
Interest rate swaps
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	2,118		0
Gains (Losses) During the Period, Pre-tax Activity	1,255		4,062
Gains (Losses) During the Period, Tax Effect	(308)		(997)
Reclassification to Income, Pre-tax Activity			0
Reclassification to Income, Tax Effect			0
Ending balance	3,065		3,065
Total AOCI
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(3,507)	1,839	(6,005)	1,885
Gains (Losses) During the Period, Pre-tax Activity	1,255	71	4,062	20
Gains (Losses) During the Period, Tax Effect	(308)	(17)	(997)	(6)
Reclassification to Income, Pre-tax Activity	252	7	756	(3)
Reclassification to Income, Tax Effect	(62)	(1)	(186)	3
Ending balance	(2,370)	1,899	(2,370)	1,899
Unrealized (loss) gain on short-term investments
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance		(15)		25
Gains (Losses) During the Period, Pre-tax Activity		71		20
Gains (Losses) During the Period, Tax Effect		(17)		(6)
Reclassification to Income, Pre-tax Activity		12		12
Reclassification to Income, Tax Effect		(3)		(3)
Ending balance		48		48
Pension Plan \| Actuarial gain (loss) \| Bargaining Plan
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	4,439	4,406	4,439	4,418
Gains (Losses) During the Period, Pre-tax Activity	0	0	0	0
Gains (Losses) During the Period, Tax Effect	0	0	0	0
Reclassification to Income, Pre-tax Activity	0	(9)	0	(27)
Reclassification to Income, Tax Effect	0	3	0	9
Ending balance	4,439	4,400	4,439	4,400
Pension Plan \| Prior service costs \| Bargaining Plan
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(155)	(79)	(167)	(85)
Gains (Losses) During the Period, Pre-tax Activity	0	0	0	0
Gains (Losses) During the Period, Tax Effect	0	0	0	0
Reclassification to Income, Pre-tax Activity	8	4	25	12
Reclassification to Income, Tax Effect	(2)	(1)	(7)	(3)
Ending balance	(149)	(76)	(149)	(76)
Postretirement Benefits \| Actuarial gain (loss)
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(4,476)	2,960	(4,844)	2,960
Gains (Losses) During the Period, Pre-tax Activity	0	0	0	0
Gains (Losses) During the Period, Tax Effect	0	0	0	0
Reclassification to Income, Pre-tax Activity	244	0	731	0
Reclassification to Income, Tax Effect	(60)	0	(179)	0
Ending balance	(4,292)	2,960	(4,292)	2,960
Postretirement Benefits \| Prior service costs
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(624)	(624)	(624)	(624)
Gains (Losses) During the Period, Pre-tax Activity	0	0	0	0
Gains (Losses) During the Period, Tax Effect	0	0	0	0
Reclassification to Income, Pre-tax Activity	0	0	0	0
Reclassification to Income, Tax Effect	0	0	0	0
Ending balance	$ (624)	$ (624)	$ (624)	$ (624)

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Amount of tax expense (benefit) allocated to other comprehensive income (loss) before reclassification adjustment from accumulated other comprehensive income (loss).

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Amount before tax of other comprehensive income (loss) attributable to parent entity.

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Amount before tax of reclassification adjustments of other comprehensive income (loss) attributable to parent.

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