Shareholders' Equity (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 28, 2024	Jun. 30, 2023	Jun. 28, 2024	Jun. 30, 2023
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	$ 2,335,649	$ 1,986,343	$ 2,224,225	$ 1,859,652
Ending balance	2,418,485	2,116,307	2,418,485	2,116,307
Pension and Post-retirement Medical
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(30,331)	(38,846)	(31,012)	(39,734)
Other comprehensive income (loss) before reclassifications	0	0	0	0
Reclassified to pension cost and deferred tax	952	931	1,633	1,819
Ending balance	(29,379)	(37,915)	(29,379)	(37,915)
Cumulative Translation Adjustment
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(22,689)	(24,669)	(3,983)	(29,644)
Other comprehensive income (loss) before reclassifications	(811)	4,553	(19,517)	9,528
Reclassified to pension cost and deferred tax	0	0	0	0
Ending balance	(23,500)	(20,116)	(23,500)	(20,116)
Total
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(53,020)	(63,515)	(34,995)	(69,378)
Other comprehensive income (loss) before reclassifications	(811)	4,553	(19,517)	9,528
Reclassified to pension cost and deferred tax	952	931	1,633	1,819
Ending balance	$ (52,879)	$ (58,031)	$ (52,879)	$ (58,031)