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CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) shares in Thousands, $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2016 | Sep. 30, 2015 | Sep. 30, 2016 | Sep. 30, 2015
Net sales | $ 128,809 | $ 144,161 | $ 381,614 | $ 431,834
Cost of sales | 102,234 | 116,749 | 306,273 | 349,050
Gross profit | 26,575 | 27,412 | 75,341 | 82,784
Selling, general and administrative expenses | 19,385 | 19,236 | 55,006 | 57,598
Impairment of goodwill and other intangible assets | 0 | 0 | 105,972 | 0
Gain (loss) on sale of property, plant and equipment | 2,099 | (55) | 2,083 | (65)
Restructuring (credits) charges | (20) | 814 | 581 | 1,316
Income (loss) from operations | 9,309 | 7,307 | (84,135) | 23,805
Interest expense | (1,538) | (1,792) | (5,243) | (5,965)
Interest income and other, net | 243 | 4,278 | 466 | 4,698
Earnings (loss) before (benefit) provision for income taxes | 8,014 | 9,793 | (88,912) | 22,538
(Benefit) provision for income taxes | (1,696) | 4,873 | (20,701) | 6,236
Net earnings (loss) available to common stockholders | 9,710 | 4,920 | (68,211) | 16,302
Class A Common Share [Member] |  |  |  |
Net earnings (loss) available to common stockholders | $ 1,688 | $ 852 | $ (12,008) | $ 2,833
Net earnings (loss) per common share: |  |  |  |
Common share - basic and diluted (in dollars per share) | $ 0.78 | $ 0.39 | $ (5.52) | $ 1.30
Weighted-average number of shares outstanding: |  |  |  |
Common share - basic and diluted (in shares) | 2,175 | 2,175 | 2,175 | 2,175
Dividends paid per common share: |  |  |  |
Common share (in dollars per share) | $ 0.06 | $ 0.06 | $ 0.18 | $ 0.18
Class B Common Share [Member] |  |  |  |
Net earnings (loss) available to common stockholders | $ 8,022 | $ 4,068 | $ (56,203) | $ 13,469
Net earnings (loss) per common share: |  |  |  |
Common share - basic and diluted (in dollars per share) | $ 0.82 | $ 0.42 | $ (5.78) | $ 1.39
Weighted-average number of shares outstanding: |  |  |  |
Common share - basic and diluted (in shares) | 9,760 | 9,719 | 9,730 | 9,694
Dividends paid per common share: |  |  |  |
Common share (in dollars per share) | $ 0.07 | $ 0.07 | $ 0.21 | $ 0.21

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