Annual report pursuant to Section 13 and 15(d)

Net income per common share - Net Income Per Basic and Diluted Share (Detail)

v2.4.0.6
Net income per common share - Net Income Per Basic and Diluted Share (Detail) (USD $)
In Thousands, except Per Share data, unless otherwise specified
3 Months Ended 12 Months Ended
Feb. 02, 2013
Oct. 27, 2012
Jul. 28, 2012
Apr. 28, 2012
Jan. 28, 2012
Oct. 29, 2011
Jul. 30, 2011
Apr. 30, 2011
Feb. 02, 2013
Jan. 28, 2012
Jan. 29, 2011
Earnings Per Share [Line Items]                      
Numerator for diluted net income per share - net income $ 64,532 $ 38,151 $ 34,998 $ 34,868 $ 46,295 $ 26,768 $ 23,905 $ 23,296 $ 172,549 $ 120,264 $ 71,030
Denominator for basic net income per share - weighted-average common shares                 63,250 61,259 58,959
Dilutive effect of stock options and non-vested stock                 1,146 2,075 2,329
Denominator for diluted net income per share                 64,396 63,334 61,288
Net income per common share:                      
Basic $ 1.01 $ 0.60 $ 0.55 $ 0.56 $ 0.75 $ 0.44 $ 0.39 $ 0.38 $ 2.73 $ 1.96 $ 1.20
Diluted $ 1.00 $ 0.59 $ 0.54 $ 0.54 $ 0.73 $ 0.42 $ 0.38 $ 0.37 $ 2.68 $ 1.90 $ 1.16