v2.3.0.15
Earnings per Common Share (Details) (USD $)
In Thousands, except Per Share data
3 Months Ended9 Months Ended
Oct. 29, 2011
Oct. 30, 2010
Oct. 29, 2011
Oct. 30, 2010
Earnings per Common Share    
Net Income$ 41,484$ 16,863$ 152,830$ 94,588
Weighted average common shares outstanding (for basic calculation)120,432116,024120,000115,665
Dilutive effect of stock-based awards5,1205,3845,5855,280
Weighted average common shares outstanding (for diluted calculation)125,552121,408125,585120,945
Earnings per common share-basic (in dollars per share)$ 0.34$ 0.15$ 1.27$ 0.82
Earnings per common share-diluted (in dollars per share)$ 0.33$ 0.14$ 1.22$ 0.78