Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Jan. 29, 2017	Jan. 31, 2016
Statement of Financial Position [Abstract]
Allowance for doubtful accounts	$ 8,230	$ 7,793
Accumulated depreciation	$ 161,236	$ 143,782
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	65,793,083	64,998,368
Treasury stock, at cost, shares	12,343,061	13,137,776