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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2014 | Sep. 30, 2013 | Sep. 30, 2014 | Sep. 30, 2013
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) [Abstract] |  |  |  |
Net earnings | $ 9,566 | $ 17,297 | $ 31,931 | $ 42,514
Other comprehensive income (loss), net of tax: |  |  |  |
Foreign currency translation adjustments | (1,693) | 1,033 | (2,424) | (719)
Amortization of: |  |  |  |
Prior service benefit | (755) | (1,078) | (2,264) | (3,238)
Unrecognized loss | 569 | 781 | 1,707 | 2,342
Unrecognized amounts | 0 | 0 | 150 | 154
Foreign currency exchange rate changes | (22) | 8 | (47) | (19)
Income tax benefit related to pension and postretirement plans | 68 | 110 | 143 | 269
Pension and postretirement plans, net of tax | (140) | (179) | (311) | (492)
Total other comprehensive income (loss), net of tax | (1,833) | 854 | (2,735) | (1,211)
Comprehensive income | $ 7,733 | $ 18,151 | $ 29,196 | $ 41,303

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