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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified | 3 Months Ended
--- | ---
Mar. 31, 2013 | Mar. 31, 2012
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME [Abstract] |  |
Net income | $ 11,511 | $ 47,041
Other comprehensive (loss)/income, before tax: |  |
Foreign currency translation adjustments | (10,622) | 13,318
Pension settlement |  | 8,153
Amortization of pension liability adjustment |  |
Transition obligation | 17 | 19
Prior service cost/(credit) | (908) | (908)
Net actuarial loss | 1,664 | 2,577
Derivative valuation adjustment | 457 | (346)
Income taxes related to items of other comprehensive (loss)/income: |  |
Pension settlement |  | (2,144)
Amortization of pension liability adjustment | (270) | (523)
Derivative valuation adjustment | (178) | 135
Other comprehensive (loss)/income, net of tax | (9,840) | 20,281
Comprehensive income | $ 1,671 | $ 67,322

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