v2.3.0.11
EARNINGS PER SHARE (Details) (USD $)
3 Months Ended 6 Months Ended
Jul. 02, 2011
Jul. 03, 2010
Jul. 02, 2011
Jul. 03, 2010
Weighted-average number of common and common equivalent shares outstanding [Abstract]        
Basic number of common shares outstanding (in shares) 57,320,717 58,907,191 57,185,008 58,607,261
Dilutive effect of unvested restricted stock (in shares) 96,845 118,416 101,921 119,227
Dilutive effect of stock options (in shares) 635,425 760,254 665,797 864,836
Diluted number of common and common equivalent shares outstanding (in shares) 58,052,987 59,785,861 57,952,726 59,591,324
Basic net income per common share [Abstract]        
Net income $ 12,659,000 $ 19,096,000 $ 44,782,000 $ 61,921,000
Income allocated to participating securities (140,083) (161,587) (496,715) (526,624)
Net income available to common shareholders 12,518,917 18,934,413 44,285,285 61,394,376
Basic net income per common share (in dollars per share) $ 0.22 $ 0.32 $ 0.77 $ 1.05
Diluted net income per common share [Abstract]        
Net income 12,659,000 19,096,000 44,782,000 61,921,000
Income allocated to participating securities (138,564) (159,546) (491,061) (519,030)
Net income available to common shareholders $ 12,520,436 $ 18,936,454 $ 44,290,939 $ 61,401,970
Diluted net income per common share (in dollars per share) $ 0.22 $ 0.32 $ 0.76 $ 1.03
Anti-dilutive shares (in shares) 953,950 1,012,050 585,400 588,404