Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Apr. 30, 2017	Jan. 29, 2017
Statement of Financial Position [Abstract]
Allowance for doubtful accounts, receivables	$ 8,440	$ 8,230
Accumulated depreciation	$ 164,261	$ 161,236
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	250,000,000	250,000,000
Common stock, shares issued	78,136,144	78,136,144
Common stock, shares outstanding	65,688,072	65,793,083
Treasury stock, shares	12,448,072	12,343,061