XML 40 R30.htm IDEA: XBRL DOCUMENT v2.4.0.8
Equity and Incentive Compensation Plans - Summary of Restricted Stock Activity (Parenthetical) (Detail) (Performance-Based Restricted Stock Awards)
3 Months Ended 9 Months Ended
Nov. 02, 2013
Nov. 02, 2013
Minimum
Nov. 02, 2013
Maximum
Share Based Compensation Arrangement by Share-based Payment Award [Line Items]      
Restricted stock awards annual vesting period 3 years    
Percentage grantees earn of the value granted with respect to each tranche of the grant   50.00% 150.00%