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Other Comprehensive Income (Loss) - (Components of Other Comprehensive Income (Loss)) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Equity [Abstract] |  |  |
Cumulative translation adjustment, Pre-tax | $ (76,822) | $ (63,441) | $ (77,024)
Cumulative translation adjustment, Tax | 0 | 0 | 0
Cumulative translation adjustment, Net of Tax | (76,822) | (63,441) | (77,024)
Reclassification of foreign currency translation to earnings upon sale of business, Pre-tax | 14,257 | (4,725) |
Reclassification of foreign currency translation to earnings upon sale of business, Tax | 0 | 0 |
Reclassification of foreign currency translation to earnings upon sale of business | 14,257 | (4,725) | 0
Foreign currency translation adjustments, Pre-tax | (62,565) | (68,166) |
Foreign currency translation adjustments, Tax | 0 | 0 |
Foreign currency translation adjustments, Net of Tax | (62,565) | (68,166) | (77,024)
Pension and other postretirement adjustments |  |  |
Net gain (loss) arising during the year, Pre-tax | (1,927) | 8,318 | (26,424)
Net gain (loss) arising during the year, Tax | 789 | (2,411) | 7,767
Net gain (loss) arising during the year, Net of Tax | (1,138) | 5,907 | (18,657)
Amortization/recognition of settlement loss, Pre-tax | 7,083 | 4,939 | 3,113
Amortization/recognition of settlement loss, Tax | (2,896) | (1,431) | (915)
Amortization/recognition of settlement loss, Net of Tax | 4,187 | 3,508 | 2,198
Pension and other postretirement adjustments, Pre-tax | 5,156 | 13,257 | (23,311)
Pension and other postretirement adjustments, Tax | (2,107) | (3,842) | 6,852
Pension and other postretirement adjustments, Net of Tax | 3,049 | 9,415 | (16,459)
Reclassification adjustments for derivatives, Pre-tax | 6,851 | 7,030 | 7,223
Reclassification adjustments for derivatives, Tax | (2,490) | (2,499) | (2,713)
Reclassification adjustments for derivatives, Net of tax | 4,361 | 4,531 | 4,510
Total other comprehensive income (loss), Pre-tax | (50,558) | (47,879) | (93,112)
Total other comprehensive income (loss), Tax | (4,597) | (6,341) | 4,139
Other comprehensive income (loss) | $ (55,155) | $ (54,220) | $ (88,973)

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