Accumulated Other Comprehensive Income (Loss) - Summary of Accumulated Other Comprehensive (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 28, 2024	Jun. 30, 2023	Jun. 28, 2024	Jun. 30, 2023	Dec. 31, 2023
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	$ 1,601,186	$ 1,234,253	$ 1,435,598	$ 1,115,388
Ending balance	1,195,194	1,379,708	1,195,194	1,379,708
Reclassification of stranded tax effects
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(4,809)	(19,720)	(4,809)	(19,720)
Pre-tax Activity	0	0	0	0
Tax Effect	0	0	0	0
Ending balance	(4,809)	(19,720)	(4,809)	(19,720)
Total AOCI(L)
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(4,429)	(84,099)	(4,276)	(84,837)
Pre-tax Activity	34	36,840	(168)	37,817
Tax Effect	(8)	(9,017)	41	(9,256)
Ending balance	(4,403)	(56,276)	(4,403)	(56,276)
Unrealized loss on short-term investments
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(176)		0
Pre-tax Activity	4		(228)
Tax Effect	(1)		55
Ending balance	(173)		(173)
Pension Plan | Primary Plan
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Actuarial losses included in accumulated other comprehensive loss	0		0		$ 0
Pension Plan | Actuarial gain (loss)
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance		(70,405)		(71,140)
Pre-tax Activity		(2,941)		(1,968)
Tax Effect		720		482
Ending balance		(72,626)		(72,626)
Pension Plan | Actuarial gain (loss) | Bargaining Plan
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	533		533
Pre-tax Activity	0		0
Tax Effect	0		0
Ending balance	533		533
Pension Plan | Prior service costs
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance		(102)		(105)
Pre-tax Activity		4		8
Tax Effect		(1)		(2)
Ending balance		(99)		(99)
Pension Plan | Prior service costs | Bargaining Plan
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(94)		(97)
Pre-tax Activity	4		8
Tax Effect	(1)		(2)
Ending balance	(91)		(91)
Pension Plan | Pension plan settlement
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance		0		0
Pre-tax Activity		39,777		39,777
Tax Effect		(9,736)		(9,736)
Ending balance		30,041		30,041
Postretirement Benefits | Actuarial gain (loss)
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	741	6,752	721	6,752
Pre-tax Activity	26	0	52	0
Tax Effect	(6)	0	(12)	0
Ending balance	761	6,752	761	6,752
Postretirement Benefits | Prior service costs
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(624)	(624)	(624)	(624)
Pre-tax Activity	0	0	0	0
Tax Effect	0	0	0	0
Ending balance	$ (624)	$ (624)	$ (624)	$ (624)