v2.4.0.6
QUARTERLY FINANCIAL DATA (UNAUDITED) (Details) (USD $)
In Thousands, except Per Share data, unless otherwise specified
3 Months Ended 12 Months Ended
Dec. 31, 2012
Sep. 30, 2012
Jun. 30, 2012
Mar. 31, 2012
Dec. 31, 2011
Sep. 30, 2011
Jun. 30, 2011
Mar. 31, 2011
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
QUARTERLY FINANCIAL DATA (UNAUDITED)                      
Net sales $ 784,692 $ 813,502 $ 867,713 $ 859,929 $ 673,601 $ 929,636 $ 831,711 $ 787,936 $ 3,325,836 $ 3,222,884 $ 2,818,040
Gross margin 129,837 140,324 86,772 103,533 46,737 97,828 82,986 75,708 460,466 303,259  
Operating income (loss) 67,633 73,922 28,400 68,255 (1,967) 54,415 35,510 36,641 238,210 124,599 114,269
Net income (loss) $ 32,293 $ 39,336 $ 13,619 $ 35,313 $ (3,317) $ 34,358 $ 14,588 $ 12,128 $ 120,561 $ 57,757 $ 42,678
Earnings (loss) per share:                      
Basic (in dollars per share) $ 0.93 $ 1.13 $ 0.39 $ 1.02 $ (0.10) $ 0.99 $ 0.42 $ 0.35 $ 3.47 $ 1.66 $ 1.22
Diluted (in dollars per share) $ 0.92 $ 1.12 $ 0.39 $ 1.01 $ (0.10) $ 0.99 $ 0.42 $ 0.35 $ 3.45 $ 1.66 $ 1.22