Annual report pursuant to Section 13 and 15(d)

Net Income Per Common Share - Additional Information (Detail)

v2.4.1.9
Net Income Per Common Share - Additional Information (Detail)
In Thousands, unless otherwise specified
12 Months Ended
Jan. 31, 2015
Feb. 01, 2014
Feb. 02, 2013
Earnings Per Share [Abstract]      
Antidilutive stock option excluded from computation of net income per common share 686us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount 658us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount 533us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount