Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Feb. 02, 2019	Feb. 03, 2018	Jan. 28, 2017
Statement Of Income And Comprehensive Income [Abstract]
Net income	$ 261,902	$ 204,163	$ 212,449
Other comprehensive gain (loss):
Foreign currency translation gain (loss)	(4,037)	5,667	(6,594)
Other comprehensive gain (loss)	(4,037)	5,667	(6,594)
Comprehensive income	$ 257,865	$ 209,830	$ 205,855