CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 29, 2017	Jul. 30, 2016	Jul. 29, 2017	Jul. 30, 2016
NET INCOME	$ 11,483	$ 15,472	$ 27,768	$ 38,569
OTHER COMPREHENSIVE INCOME, NET OF TAX:
Change in unrealized loss on investments, net of tax of $2, $68, $2, and $72, respectively	3	117	3	125
Reclassification adjustment for losses included in net income, net of tax of $0, $0, $0, and $17, respectively	0	0	0	28
Other comprehensive income	3	117	3	153
COMPREHENSIVE INCOME	$ 11,486	$ 15,589	$ 27,771	$ 38,722