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Consolidated Statements of Earnings (USD $) In Thousands, except Share data, unless otherwise specified | 12 Months Ended
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Dec. 31, 2011 | Dec. 31, 2010 | Dec. 31, 2009
Consolidated Statements of Earnings [Abstract] |  |  |
Net sales | $ 2,797,089 | $ 2,386,112 | $ 2,049,668
Cost of sales | 1,281,525 | 1,110,986 | 1,006,530
Gross profit | 1,515,564 | 1,275,126 | 1,043,138
Selling, general and administrative expenses | 855,025 | 760,832 | 647,742
Income from operations | 660,539 | 514,294 | 395,396
Interest expense | 63,648 | 66,533 | 58,544
Loss on extinguishment of debt | 0 | 0 | 403
Other income (expense) | 8,096 | 633 | 3,319
Earnings before income taxes | 604,987 | 448,394 | 339,768
Income taxes | 177,740 | 125,814 | 100,287
Net earnings | $ 427,247 | $ 322,580 | $ 239,481
Earnings per share: |  |  |
Basic | $ 4.45 | $ 3.42 | $ 2.64
Diluted | $ 4.34 | $ 3.34 | $ 2.58
Weighted average common shares outstanding: |  |  |
Basic | 95,959,000 | 94,242,000 | 90,685,000
Diluted | 98,386,000 | 96,653,000 | 92,820,000

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- Definition The aggregate cost of goods produced and sold and services rendered during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 2 -Article 5 + Details
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- Definition The amount of net income or loss for the period per each share of common stock outstanding during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 21 -Article 9 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 128 -Paragraph 36, 37, 38 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 20 -Article 5 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 18 -Article 7 + Details
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