v2.4.0.8
EARNINGS PER SHARE (Details) (USD $)
3 Months Ended 6 Months Ended
Jun. 29, 2013
Jun. 30, 2012
Jun. 29, 2013
Jun. 30, 2012
Weighted-average number of common and common equivalent shares outstanding [Abstract]        
Basic number of common shares outstanding (in shares) 58,567,558 58,200,702 58,519,286 58,128,989
Dilutive effect of equity awards (in shares) 588,622 676,321 648,072 645,174
Diluted number of common and common equivalent shares outstanding (in shares) 59,156,180 58,877,023 59,167,358 58,774,163
Basic net income per common share [Abstract]        
Net income $ 19,673,000 $ 20,805,000 $ 61,088,000 $ 53,080,000
Income allocated to participating securities (265,000) (271,000) (811,000) (651,000)
Net income available to common shareholders 19,408,000 20,534,000 60,277,000 52,429,000
Basic net income per common share (in dollars per share) $ 0.33 $ 0.35 $ 1.03 $ 0.90
Diluted net income per common share [Abstract]        
Net income 19,673,000 20,805,000 61,088,000 53,080,000
Income allocated to participating securities (263,000) (268,000) (803,000) (644,000)
Net income available to common shareholders $ 19,410,000 $ 20,537,000 $ 60,285,000 $ 52,436,000
Diluted net income per common share (in dollars per share) $ 0.33 $ 0.35 $ 1.02 $ 0.89
Anti-dilutive shares (in shares) 350,200 344,200 362,500 361,800