Quarterly report pursuant to Section 13 or 15(d)

Net income per common share - Additional Information (Detail)

v2.4.0.8
Net income per common share - Additional Information (Detail)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Aug. 03, 2013
Jul. 28, 2012
Aug. 03, 2013
Jul. 28, 2012
Earnings Per Share [Abstract]        
Antidilutive stock option excluded from computation of net income per common share 498 653 869 653