CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended
	Apr. 28, 2018	Apr. 29, 2017
Statement of Comprehensive Income [Abstract]
Net income	$ 17,231	$ 38,796
Foreign currency translation losses, net of tax	(88)	(165)
Comprehensive income	$ 17,143	$ 38,631