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ACCUMULATED OTHER COMPREHENSIVE (LOSS) INCOME (Tables) | 12 Months Ended
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Dec. 31, 2011
Amounts Included in Accumulated Other Comprehensive (Loss) Income, Net of Tax | Amounts included in accumulated other comprehensive (loss) income, net of tax, at December 31 are as follows:
|  | 2011 |  |  | 2010 |
|  | (Dollars in thousands) |
Foreign currency translation |  | $ | (9,251 | ) |  | $ | 17,276 |
Change in fair value of derivatives |  |  | (6,822 | ) |  |  | (6,695 | )
Unrecognized net periodic pension and other postretirement benefit costs: |  |  |  |  |  |  |  |
Net prior service credit |  |  | 6,920 |  |  |  | 6,391 |
Net actuarial loss |  |  | (106,129 | ) |  |  | (79,998 | )
Accumulated other comprehensive loss |  | $ | (115,282 | ) |  | $ | (63,026 | )

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References No definition available. + Details
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