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Other Comprehensive Income (Loss) (Components of Other Comprehensive Income (Loss)) (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Equity [Abstract] |  |  |
Cumulative translation adjustment, Pre-tax | $ 13,572 | $ 14,445 | $ (14,108)
Cumulative translation adjustment, Tax | 0 | 0 | 0
Cumulative translation adjustment, Net of Tax | 13,572 | 14,445 | (14,108)
Pension and Other Postretirement Adjustments |  |  |
Net gain (loss) arising during the year, Pre-tax | 26,274 | (16,607) | (18,066)
Net gain (loss) arising during the year, Tax | (9,859) | 3,107 | 6,038
Net gain (loss) arising during the year, Net of Tax | 16,415 | (13,500) | (12,028)
Amortization/settlement recognition of net loss (gain), Pre-tax | 8,599 | 7,801 | 5,446
Amortization/settlement recognition of net loss (gain), Tax | (3,226) | (1,460) | (1,816)
Amortization/settlement recognition of net loss (gain), Net of Tax | 5,373 | 6,341 | 3,630
Pension and other postretirement adjustments, Pre-tax | 34,873 | (8,806) | (12,620)
Pension and other postretirement adjustments, Tax | (13,085) | 1,647 | 4,222
Pension and other postretirement adjustments, Net of Tax | 21,788 | (7,159) | (8,398)
Reclassification adjustments for derivatives, Pre-tax | 7,430 | 7,571 | (32,754)
Reclassification adjustments for derivatives, Tax | (2,692) | (2,791) | 12,500
Reclassification adjustments for derivatives, Net of tax | 4,738 | 4,780 | (20,254)
Total other comprehensive income (loss), Pre-tax | 55,875 | 13,210 | (59,482)
Total other comprehensive income (loss), Tax | (15,777) | (1,144) | 16,722
Total other comprehensive income (loss), Net of Tax | $ 40,098 | $ 12,066 | $ (42,760)

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