Condensed Consolidated Statements of Comprehensive Income - Unaudited - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 02, 2020	Sep. 27, 2019	Oct. 02, 2020	Sep. 27, 2019
Statement of Comprehensive Income [Abstract]
Net income	$ 30,342	$ 30,586	$ 61,831	$ 85,312
Other comprehensive income (loss):
Foreign currency translation gain (loss)	16,387	(14,810)	17,303	(17,138)
Change in fair value of cash flow hedges, net of tax	1,355	(1,352)	(5,070)	(6,097)
Other comprehensive income (loss), net of tax	17,742	(16,162)	12,233	(23,235)
Comprehensive income, net of tax	$ 48,084	$ 14,424	$ 74,064	$ 62,077