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CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Share data, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Net sales | $ 286,594 |  | $ 295,121 |  | $ 302,539
Costs and expenses: |  |  |  |  |
Cost of sales | 240,092 |  | 244,749 |  | 239,185
Selling, general and administrative | 39,343 |  | 39,284 |  | 40,443
Litigation charges | 26 |  | 3,471 |  | 8,103
Restructuring charges | 5,245 |  | 314 |  | 0
Loss (gain) on disposal/sale of property, plant and equipment | 183 |  | (93) |  | (352)
Total costs and expenses | 284,889 |  | 287,725 |  | 287,379
Income from operations | 1,705 |  | 7,396 |  | 15,160
Impairment of investment | (775) |  | 0 |  | 0
(Loss) gain on sale of investments | (142) |  | 119 |  | 0
Interest expense | (16) |  | 0 |  | 0
Interest income and other, net | 266 |  | 357 |  | 420
Earnings before (benefit) provision for income taxes | 1,038 |  | 7,872 |  | 15,580
(Benefit) provision for income taxes | (1,364) |  | 4,108 |  | 1,931
Net earnings | 2,402 |  | 3,764 |  | 13,649
Class A [Member] |  |  |  |  |
Costs and expenses: |  |  |  |  |
Net earnings | 377 |  | 620 |  | 2,394
Earnings per share: |  |  |  |  |
Common share - basic and diluted (in dollars per share) | $ 0.17 | [1] | $ 0.28 | [1] | $ 1.10
Weighted-average shares outstanding: |  |  |  |  |
Common share - basic and diluted (in shares) | 2,174,912 |  | 2,174,912 |  | 2,174,912
Dividends paid per share: |  |  |  |  |
Common share (in dollars per share) | $ 0.24 |  | $ 0.24 |  | $ 0.24
Class B [Member] |  |  |  |  |
Costs and expenses: |  |  |  |  |
Net earnings | $ 2,025 |  | $ 3,144 |  | $ 11,255
Earnings per share: |  |  |  |  |
Common share - basic and diluted (in dollars per share) | $ 0.21 | [1] | $ 0.33 | [1] | $ 1.18
Weighted-average shares outstanding: |  |  |  |  |
Common share - basic and diluted (in shares) | 9,624,578 |  | 9,597,661 |  | 9,504,261
Dividends paid per share: |  |  |  |  |
Common share (in dollars per share) | $ 0.28 |  | $ 0.28 |  | $ 0.28
[1] | Quarterly amounts of earnings per share may not agree to the total for the year due to rounding.

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