v2.4.0.8
Reconciliation of Common Shares Used in Calculating Basic and Diluted Net Income (Loss) Per Common Share (Parenthetical) (Detail)
In Millions, unless otherwise specified
3 Months Ended 6 Months Ended
Aug. 03, 2013
Jul. 28, 2012
Aug. 03, 2013
Jul. 28, 2012
Schedule of Earnings Per Share, Basic and Diluted, by Common Class [Line Items]        
Antidilutive restricted shares and options excluded from computation of EPS 1.6 5.5 1.8 3.9