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Quarterly Results Of Operations (Tables) | 12 Months Ended
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Dec. 31, 2011
Quarterly Results Of Operations [Abstract] |
Summarized Quarterly Results Of Operations |
|  | 2011 Quarters |  |  | 2010 Quarters |
|  | First |  |  | Second |  |  | Third |  |  | Fourth |  |  | First |  |  | Second |  |  | Third |  |  | Fourth |
|  | (In thousands, except per share amounts) |  |  | (In thousands, except per share amounts) |
Net sales |  | $ | 427,089 |  |  | $ | 453,798 |  |  | $ | 476,881 |  |  | $ | 480,683 |  |  | $ | 355,598 |  |  | $ | 378,526 |  |  | $ | 373,731 |  |  | $ | 405,218 |
Gross profit |  |  | 178,700 |  |  |  | 184,839 |  |  |  | 181,532 |  |  |  | 193,602 |  |  |  | 147,541 |  |  |  | 154,821 |  |  |  | 154,133 |  |  |  | 161,988 |
Operating income |  |  | 77,721 |  |  |  | 79,629 |  |  |  | 71,305 |  |  |  | 76,001 |  |  |  | 57,893 |  |  |  | 62,780 |  |  |  | 62,439 |  |  |  | 66,004 |
Net income |  |  | 47,951 |  |  |  | 50,182 |  |  |  | 48,336 |  |  |  | 47,388 |  |  |  | 36,625 |  |  |  | 40,398 |  |  |  | 38,564 |  |  |  | 41,513 |
Basic EPS |  | $ | .58 |  |  | $ | .61 |  |  | $ | .58 |  |  | $ | .57 |  |  | $ | .45 |  |  | $ | .50 |  |  | $ | .47 |  |  | $ | .51 |
Diluted EPS |  | $ | .57 |  |  | $ | .60 |  |  | $ | .58 |  |  | $ | .57 |  |  | $ | .45 |  |  | $ | .49 |  |  | $ | .47 |  |  | $ | .50 |
Basic weighted average shares outstanding |  |  | 81,430 |  |  |  | 82,151 |  |  |  | 82,402 |  |  |  | 82,596 |  |  |  | 80,080 |  |  |  | 80,369 |  |  |  | 80,517 |  |  |  | 80,899 |
Diluted weighted average shares outstanding |  |  | 83,248 |  |  |  | 83,778 |  |  |  | 83,586 |  |  |  | 83,573 |  |  |  | 81,509 |  |  |  | 81,800 |  |  |  | 81,938 |  |  |  | 82,686 |

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- Definition Tabular disclosure of the quarterly financial data in the annual financial statements. The disclosure includes financial information for each fiscal quarter for the current and previous year, including revenues, gross profit, income (loss) before extraordinary items and cumulative effect of a change in accounting principle and earnings per share data. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Topic 270 -SubTopic 10 -Publisher FASB -Number -Article -Subparagraph (a)-(j) -Name Accounting Standards Codification -Paragraph 1 -Section 50 -URI http://asc.fasb.org/extlink&oid=6952194&loc=d3e1280-108306 + Details
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