Annual report pursuant to Section 13 and 15(d)

Quarterly Information - Quarterly Net Income, Basic Earnings Per Share, and Diluted Earnings Per Share (Detail)

v2.4.0.8
Quarterly Information - Quarterly Net Income, Basic Earnings Per Share, and Diluted Earnings Per Share (Detail) (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 Information Disclosure [Abstract]                      
Net sales $ 1,059,300 $ 1,016,900 $ 1,031,900 $ 964,200 $ 884,500 $ 895,200 $ 879,700 $ 795,100 $ 4,072,330 $ 3,454,537 $ 2,734,226
Gross profit 848,200 815,300 828,200 768,000 713,700 719,900 708,600 632,300 3,259,747 2,774,453 2,175,415
Net income $ 112,200 $ 111,900 $ 132,000 $ 107,900 $ 110,100 $ 107,500 $ 108,600 $ 88,800 $ 463,962 $ 414,959 $ 292,883
Earnings per share                      
Basic earnings per share $ 1.04 $ 1.03 $ 1.13 $ 0.93 $ 0.95 $ 0.92 $ 0.91 $ 0.75 $ 4.13 $ 3.53 $ 2.46
Diluted earnings per share $ 1.00 $ 0.98 $ 1.09 $ 0.88 $ 0.90 $ 0.86 $ 0.86 $ 0.71 $ 3.94 $ 3.32 $ 2.32