Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended						9 Months Ended
	Oct. 02, 2021	Jul. 03, 2021	Apr. 03, 2021	Oct. 03, 2020	Jul. 04, 2020	Apr. 04, 2020	Oct. 02, 2021	Oct. 03, 2020
Cumulative balance of each component of other comprehensive income (loss) and income tax effects [Roll Forward]
Beginning Balance			$ 13,559				$ 13,559
Other comprehensive income before reclassifications							(34,906)
Tax effect							0
Other comprehensive income before reclassifications, net of tax							(34,906)
Amounts reclassified out of AOCI							7,951
Tax effect							(2,217)
Amounts reclassified out of AOCI, net of tax							5,734
Net other comprehensive income	$ (15,392)	$ 11,305	(25,085)	$ 22,986	$ 21,848	$ (21,528)	(29,172)	$ 23,306
Ending Balance	(15,613)						(15,613)
Pension and Other Post-Retirement Actuarial Items [Member]
Cumulative balance of each component of other comprehensive income (loss) and income tax effects [Roll Forward]
Beginning Balance			(77,075)				(77,075)
Other comprehensive income before reclassifications							0
Tax effect							0
Other comprehensive income before reclassifications, net of tax							0
Amounts reclassified out of AOCI							7,951
Tax effect							(2,217)
Amounts reclassified out of AOCI, net of tax							5,734
Net other comprehensive income							5,734
Ending Balance	(71,341)						(71,341)
Currency Translation Adjustment [Member]
Cumulative balance of each component of other comprehensive income (loss) and income tax effects [Roll Forward]
Beginning Balance			90,634				90,634
Other comprehensive income before reclassifications							(34,906)
Tax effect							0
Other comprehensive income before reclassifications, net of tax							(34,906)
Amounts reclassified out of AOCI							0
Tax effect							0
Amounts reclassified out of AOCI, net of tax							0
Net other comprehensive income							(34,906)
Ending Balance	55,728						55,728
Accumulated Other Comprehensive Income (Loss) [Member]
Cumulative balance of each component of other comprehensive income (loss) and income tax effects [Roll Forward]
Beginning Balance			13,559				13,559
Net other comprehensive income	(15,392)	$ 11,305	$ (25,085)	$ 22,986	$ 21,848	$ (21,528)
Ending Balance	$ (15,613)						$ (15,613)