XML 26 R24.htm IDEA: XBRL DOCUMENT v2.4.0.8
Equity and Incentive Compensation Plans - Additional Information (Detail) (USD $)
3 Months Ended 9 Months Ended
Nov. 01, 2014
Nov. 02, 2013
Nov. 01, 2014
Nov. 02, 2013
Share Based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock-based compensation expense recognized $ 2,800,000 $ 4,000,000 $ 9,621,000 $ 11,621,000
Employee Stock Option
       
Share Based Compensation Arrangement by Share-based Payment Award [Line Items]        
Unrecognized compensation cost, unvested 2,000,000   2,000,000  
Unrecognized compensation cost, unvested, remaining weighted-average vesting period (in years)     1 year 8 months 12 days  
Restricted Stock
       
Share Based Compensation Arrangement by Share-based Payment Award [Line Items]        
Unrecognized compensation cost, unvested $ 15,800,000   $ 15,800,000  
Unrecognized compensation cost, unvested, remaining weighted-average vesting period (in years)     2 years 10 months 24 days