CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Aug. 03, 2019	Aug. 04, 2018	Aug. 03, 2019	Aug. 04, 2018
Statement Of Income And Comprehensive Income [Abstract]
Net income	$ 64,981	$ 60,333	$ 105,734	$ 100,262
Other comprehensive income:
Foreign currency translation (loss) income	(1,276)	(2,290)	(1,798)	1,850
Other comprehensive (loss) income:	(1,276)	(2,290)	(1,798)	1,850
Comprehensive income	$ 63,705	$ 58,043	$ 103,936	$ 102,112