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Consolidated Statements of Income (USD $) In Thousands, except Per Share data, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2011 | Dec. 31, 2010 | Dec. 31, 2009
Consolidated Statements of Income [Abstract] |  |  |
Net sales | $ 805,256 | $ 609,905 | $ 531,838
Cost of sales | 582,238 | 471,280 | 394,424
Gross profit | 223,018 | 138,625 | 137,414
Selling, general and administrative expense | 86,343 | 89,720 | 96,374
Provisions for losses on accounts receivable | 347 | 145 | 90
Other expense | 3,823 | 1,262 | 527
Other income | (3,938) | (8,427) | (287)
Operating income | 136,443 | 55,925 | 40,710
Interest expense | 6,658 | 7,427 | 6,746
Losses (gain) on extinguishment of debt | 136 | 52 | (1,783)
Non-operating other income, net |  | (53) | (130)
Income from continuing operations before provisions for income taxes and equity in earnings of affiliate | 129,649 | 48,499 | 35,877
Provisions for income taxes | 46,208 | 19,787 | 15,024
Equity in earnings of affiliate | (543) | (1,003) | (996)
Income from continuing operations | 83,984 | 29,715 | 21,849
Net loss from discontinued operations | 142 | 141 | 265
Net income | 83,842 | 29,574 | 21,584
Dividends on preferred stocks | 305 | 305 | 306
Net income applicable to common stock | $ 83,537 | $ 29,269 | $ 21,278
Basic: |  |  |
Income from continuing operations | $ 3.81 | $ 1.39 | $ 1.01
Net loss from discontinued operations | $ (0.01) | $ (0.01) | $ (0.01)
Net income | $ 3.80 | $ 1.38 | $ 1.00
Diluted: |  |  |
Income from continuing operations | $ 3.59 | $ 1.33 | $ 0.97
Net loss from discontinued operations | $ (0.01) | $ (0.01) | $ (0.01)
Net income | $ 3.58 | $ 1.32 | $ 0.96

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