Consolidated Balance Sheets (Parenthetical) - $ / shares	Jan. 30, 2016	Jan. 31, 2015
Statement of Financial Position [Abstract]
Preferred stock, shares authorized	5,000,000	5,000,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, without par value
Common stock, shares authorized	200,000,000	200,000,000
Common stock, shares issued	40,803,523	40,695,295
Common stock, shares outstanding	37,701,171	40,074,310