Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Jan. 28, 2018	Jan. 29, 2017
Statement of Financial Position [Abstract]
Allowance for doubtful accounts	$ 9,089	$ 8,230
Accumulated depreciation	$ 179,604	$ 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	66,280,129	65,793,083
Treasury stock, at cost, shares	11,856,015	12,343,061