Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 29, 2016	Oct. 31, 2015	Oct. 29, 2016	Oct. 31, 2015
Statement of Comprehensive Income [Abstract]
Net income	$ 8,780	$ 10,268	$ 16,307	$ 11,847
Cumulative translation adjustment	(2)	(5)	(5)	(4)
Comprehensive income	$ 8,778	$ 10,263	$ 16,302	$ 11,843