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Quarterly Financial Data (Tables) | 12 Months Ended
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Dec. 31, 2015
Quarterly Financial Data [Abstract] |
Schedule Of Quarterly Financial Information |
|  |  | 2015 Quarter
(in thousands, except per share data) |  | 1st |  | 2nd |  | 3rd |  | 4th
Sales | $ | 620,925 | $ | 664,038 | $ | 630,191 | $ | 625,719
Gross profit |  | 51,779 |  | 55,716 |  | 54,284 |  | 56,795
Net income |  | 14,205 |  | 21,210 |  | 20,565 |  | 39,421
Earnings per common share: |  |  |  |  |  |  |  |
| Basic |  | 0.27 |  | 0.41 |  | 0.40 |  | 0.78
| Diluted |  | 0.27 |  | 0.40 |  | 0.40 |  | 0.77
|  |  | 2014 Quarter
(in thousands, except per share data) |  | 1st |  | 2nd |  | 3rd |  | 4th
Sales | $ | 639,344 | $ | 716,868 | $ | 731,302 | $ | 709,547
Gross profit |  | 51,123 |  | 57,751 |  | 55,294 |  | 55,689
Net income |  | 19,439 |  | 21,558 |  | 16,906 |  | 23,338
Earnings per common share: |  |  |  |  |  |  |  |
| Basic |  | 0.36 |  | 0.40 |  | 0.32 |  | 0.44
| Diluted |  | 0.36 |  | 0.40 |  | 0.31 |  | 0.44
|  |  | 2013 Quarter
(in thousands, except per share data) |  | 1st |  | 2nd |  | 3rd |  | 4th
Sales | $ | 542,444 | $ | 607,522 | $ | 599,658 | $ | 756,843
Gross profit |  | 36,834 |  | 44,367 |  | 45,440 |  | 59,843
Net income |  | 11,331 |  | 8,256 |  | 23,648 |  | 67,710
Earnings per common share: |  |  |  |  |  |  |  |
| Basic |  | 0.21 |  | 0.15 |  | 0.44 |  | 1.26
| Diluted |  | 0.21 |  | 0.15 |  | 0.43 |  | 1.25

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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 -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a)-(j) -URI http://asc.fasb.org/extlink&oid=51825399&loc=d3e1280-108306 + Details
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