Annual report pursuant to Section 13 and 15(d)

Net Income Per Common Share (Details)

v2.4.0.6
Net Income Per Common Share (Details) (USD $)
In Thousands, except Per Share data, unless otherwise specified
3 Months Ended 12 Months Ended
Jan. 28, 2012
Oct. 29, 2011
Jul. 30, 2011
Apr. 30, 2011
Jan. 29, 2011
Oct. 30, 2010
Jul. 31, 2010
May 01, 2010
Jan. 28, 2012
Jan. 29, 2011
Jan. 30, 2010
Net income per common share reconciliation                      
Numerator for diluted net income per share - net income $ 46,295 $ 26,768 $ 23,905 $ 23,296 $ 30,104 $ 14,203 $ 13,062 $ 13,661 $ 120,264 $ 71,030 $ 39,356
Denominator for basic net income per share - weighted-average common shares                 61,259 58,959 57,915
Dilutive effect of stock options and non-vested stock                 2,075 2,329 1,322
Denominator for diluted net income per share                 63,334 61,288 59,237
Net income per common share:                      
Basic $ 0.75 $ 0.44 $ 0.39 $ 0.38 $ 0.50 $ 0.24 $ 0.22 $ 0.23 $ 1.96 $ 1.20 $ 0.68
Diluted $ 0.73 $ 0.42 $ 0.38 $ 0.37 $ 0.49 $ 0.23 $ 0.22 $ 0.23 $ 1.90 $ 1.16 $ 0.66
Net income per common share (Textual) [Abstract]                      
Antidilutive stock option excluded from computation of net income per common share                 621 1,263 3,809