CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 25, 2020	Jul. 27, 2019	Jul. 25, 2020	Jul. 27, 2019
Statement of Comprehensive Income [Abstract]
Net income	$ 37,024	$ 29,896	$ 4,606	$ 44,175
Foreign currency translation gains (losses), net of tax	21	11	(10)	(3)
Comprehensive income	$ 37,045	$ 29,907	$ 4,596	$ 44,172