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Selected Quarterly Financial Data (Unaudited) (Tables) | 12 Months Ended
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Dec. 31, 2012
Selected Quarterly Financial Data (Unaudited) |
Schedule of quarterly financial information | (in thousands, except per share amounts)
|  | 2012 |  | 2011 |
|  | Fourth |  | Third |  | Second |  | First |  | Fourth |  | Third |  | Second |  | First |
|  | Quarter |  | Quarter |  | Quarter |  | Quarter |  | Quarter |  | Quarter |  | Quarter |  | Quarter |
Net sales |  | $ | 144,686 |  | $ | 172,113 |  | $ | 181,703 |  | $ | 158,734 |  | $ | 130,732 |  | $ | 162,366 |  | $ | 177,812 |  | $ | 132,536 |
Cost of sales |  | 89,482 |  | 96,390 |  | 98,557 |  | 89,329 |  | 75,822 |  | 86,919 |  | 94,313 |  | 75,588 |
Gross profit |  | 55,204 |  | 75,723 |  | 83,146 |  | 69,405 |  | 54,910 |  | 75,447 |  | 83,499 |  | 56,948 |
Research and development and other engineering |  | 8,763 |  | 8,916 |  | 9,043 |  | 9,198 |  | 6,143 |  | 6,804 |  | 6,945 |  | 5,994 |
Selling |  | 21,109 |  | 20,941 |  | 19,881 |  | 20,432 |  | 18,041 |  | 18,633 |  | 19,819 |  | 17,075 |
General and administrative |  | 23,799 |  | 23,843 |  | 27,087 |  | 26,244 |  | 23,570 |  | 25,174 |  | 25,454 |  | 21,621 |
Impairment of goodwill |  | 2,346 |  | — |  | — |  | — |  | 1,282 |  | — |  | — |  | — |
Loss (gain) on sale of assets |  | 124 |  | 33 |  | (13 | ) | 23 |  | 190 |  | (46 | ) | 73 |  | (25 | )
Income (loss) from operations |  | (937 | ) | 21,990 |  | 27,148 |  | 13,508 |  | 5,684 |  | 24,882 |  | 31,208 |  | 12,283 |
Income (loss) in equity method investment |  | — |  | — |  | — |  | — |  | — |  | 4,471 |  | (69 | ) | (14 | )
Interest income, net |  | 35 |  | 55 |  | 58 |  | 65 |  | 82 |  | 79 |  | 108 |  | 72 |
Income (loss) before income taxes |  | (902 | ) | 22,045 |  | 27,206 |  | 13,573 |  | 5,766 |  | 29,432 |  | 31,247 |  | 12,341 |
Provision for (benefit from) income taxes |  | (6,785 | ) | 9,069 |  | 11,347 |  | 6,372 |  | 818 |  | 10,052 |  | 11,754 |  | 5,263 |
Net income |  | $ | 5,883 |  | $ | 12,976 |  | $ | 15,859 |  | $ | 7,201 |  | $ | 4,948 |  | $ | 19,380 |  | $ | 19,493 |  | $ | 7,078 |
Earnings per common share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic |  | $ | 0.12 |  | $ | 0.27 |  | $ | 0.33 |  | $ | 0.15 |  | $ | 0.10 |  | $ | 0.40 |  | $ | 0.39 |  | $ | 0.14 |
Diluted |  | 0.12 |  | 0.27 |  | 0.33 |  | 0.15 |  | 0.10 |  | 0.40 |  | 0.39 |  | 0.14 |
Cash dividends declared per common share |  | $ | 0.25 |  | $ | 0.125 |  | $ | 0.125 |  | $ | 0.125 |  | $ | 0.125 |  | $ | 0.125 |  | $ | 0.125 |  | $ | 0.125 |

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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=20225539&loc=d3e1280-108306 + Details
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