Consolidated Statements of Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 04, 2021	Jul. 05, 2020	Jul. 04, 2021	Jul. 05, 2020
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 15,511	$ 4,709	$ 22,449	$ (97,458)
Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment	3,455	16,160	(16,142)	915
Other Comprehensive Income (Loss), Cash Flow Hedge	745		1,494
Other Comprehensive Income (Loss), Cash Flow Hedge		(351)		(6,491)
Other Comprehensive Income (Loss), Pension Liability Adjustment	100	(342)	189	1,391
Comprehensive Income (Loss)	$ 19,811	$ 20,176	$ 7,990	$ (101,643)