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Selected Quarterly Financial Data (Unaudited) (Tables) | 12 Months Ended
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Dec. 31, 2014
Selected Quarterly Financial Data (Unaudited) [Abstract] |
Quarterly results (unaudited) | Quarterly results for the year ended December 31, 2014 and 2013 are summarized as follows:
|  | 2014 |
|  | First |  |  | Second |  |  | Third |  |  | Fourth |
|  | Quarter |  |  | Quarter |  |  | Quarter |  |  | Quarter |
Net sales |  | $ | 82,646 |  |  | $ | 99,439 |  |  | $ | 156,341 |  |  | $ | 148,650 |
Cost of sales |  |  | 68,576 |  |  |  | 81,493 |  |  |  | 128,250 |  |  |  | 120,781 |
Net earnings |  |  | 2,503 |  |  |  | 3,065 |  |  |  | 1,507 |  |  |  | 2,020 |
Net earnings per share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class A common share - basic and diluted |  | $ | 0.20 |  |  | $ | 0.25 |  |  | $ | 0.12 |  |  | $ | 0.16 |
Class B common share - basic and diluted |  | $ | 0.22 |  |  | $ | 0.27 |  |  | $ | 0.13 |  |  | $ | 0.17 |
|  | 2013 |
|  | First |  |  | Second |  |  | Third |  |  | Fourth |
|  | Quarter |  |  | Quarter |  |  | Quarter |  |  | Quarter |
Net sales |  | $ | 63,028 |  |  | $ | 93,981 |  |  | $ | 101,164 |  |  | $ | 91,016 |
Cost of sales |  |  | 53,932 |  |  |  | 78,724 |  |  |  | 81,136 |  |  |  | 73,160 |
Net (loss) earnings |  |  | (558 | ) |  |  | 1,689 |  |  |  | 7,380 |  |  |  | 7,397 |
(Loss) earnings per share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class A common share - basic and diluted |  | $ | (0.05 | ) |  | $ | 0.14 |  |  | $ | 0.62 |  |  | $ | 0.61 |
Class B common share - basic and diluted |  | $ | (0.05 | ) |  | $ | 0.15 |  |  | $ | 0.65 |  |  | $ | 0.65 |

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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=35737889&loc=d3e1280-108306 + Details
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