Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended
	Apr. 03, 2021	Apr. 04, 2020
Cumulative balance of each component of other comprehensive income (loss) and income tax effects [Roll Forward]
Beginning Balance	$ 13,559
Other comprehensive income before reclassifications	(26,949)
Tax effect	0
Other comprehensive income before reclassifications, net of tax	(26,949)
Amounts reclassified out of AOCI	2,659
Tax effect	(795)
Amounts reclassified out of AOCI, net of tax	1,864
Net other comprehensive income	(25,085)	$ (21,528)
Ending Balance	(11,526)
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)
Other comprehensive income before reclassifications	0
Tax effect	0
Other comprehensive income before reclassifications, net of tax	0
Amounts reclassified out of AOCI	2,659
Tax effect	(795)
Amounts reclassified out of AOCI, net of tax	1,864
Net other comprehensive income	1,864
Ending Balance	(75,211)
Currency Translation Adjustment [Member]
Cumulative balance of each component of other comprehensive income (loss) and income tax effects [Roll Forward]
Beginning Balance	90,634
Other comprehensive income before reclassifications	(26,949)
Tax effect	0
Other comprehensive income before reclassifications, net of tax	(26,949)
Amounts reclassified out of AOCI	0
Tax effect	0
Amounts reclassified out of AOCI, net of tax	0
Net other comprehensive income	(26,949)
Ending Balance	63,685
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
Net other comprehensive income	(25,085)	$ (21,528)
Ending Balance	$ (11,526)