Accumulated Other Comprehensive Income (Loss) - Summary of Accumulated Other Comprehensive (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 26, 2025	Sep. 27, 2024	Sep. 26, 2025	Sep. 27, 2024
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	$ 1,630,219	$ 1,195,194	$ 1,417,611	$ 1,435,598
Ending balance	1,635,924	1,284,987	1,635,924	1,284,987
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)
Total AOCI
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	1,839	(4,403)	1,885	(4,276)
Gains (Losses) During the Period, Pre-tax Activity	71	566	20	338
Gains (Losses) During the Period, Tax Effect	(17)	(138)	(6)	(83)
Reclassification to Income, Pre-tax Activity	7	30	(3)	90
Reclassification to Income, Tax Effect	(1)	(7)	3	(21)
Ending balance	1,899	(3,952)	1,899	(3,952)
Unrealized (loss) gain on short-term investments
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(15)	(173)	25	0
Gains (Losses) During the Period, Pre-tax Activity	71	566	20	338
Gains (Losses) During the Period, Tax Effect	(17)	(138)	(6)	(83)
Reclassification to Income, Pre-tax Activity	12	0	12	0
Reclassification to Income, Tax Effect	(3)	0	(3)	0
Ending balance	48	255	48	255
Pension Plan | Actuarial gain | Bargaining Plan
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	4,406	533	4,418	533
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	(9)	0	(27)	0
Reclassification to Income, Tax Effect	3	0	9	0
Ending balance	4,400	533	4,400	533
Pension Plan | Prior service costs | Bargaining Plan
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(79)	(91)	(85)	(97)
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	4	4	12	12
Reclassification to Income, Tax Effect	(1)	(1)	(3)	(3)
Ending balance	(76)	(88)	(76)	(88)
Postretirement Benefits | Actuarial gain
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	2,960	761	2,960	721
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	26	0	78
Reclassification to Income, Tax Effect	0	(6)	0	(18)
Ending balance	2,960	781	2,960	781
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)