Consolidated Statements of Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Apr. 04, 2021	Apr. 05, 2020
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 6,938	$ (102,167)
Other Comprehensive Loss, Foreign Currency Translation Adjustment	(19,597)	(15,245)
Other Comprehensive Income (Loss), Cash Flow Hedge	749
Other Comprehensive Income (Loss), Cash Flow Hedge		(6,140)
Other Comprehensive Income, Pension Liability Adjustment	89	1,733
Comprehensive Loss	$ (11,821)	$ (121,819)