Other Comprehensive Income (Loss) (Components of Other Comprehensive Income (Loss)) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Equity [Abstract]
Cumulative translation adjustment, Pre-tax	$ (56,637)	$ 284
Cumulative translation adjustment, Tax	0	0
Cumulative translation adjustment, Net of Tax	(56,637)	284
Pension and Other Postretirement Adjustments
Pension and other postretirement adjustments, Pre-tax	1,175	679
Pension and other postretirement adjustments, Tax	(395)	(240)
Pension and other postretirement adjustments, Net of Tax	780	439
Reclassification adjustments for derivatives, Pre-tax	1,772	1,820
Reclassification adjustments for derivatives, Tax	(642)	(663)
Reclassification adjustments for derivatives, Net of tax	1,130	1,157
Total other comprehensive income (loss), Pre-tax	(53,690)	2,783
Total other comprehensive income (loss), Tax	(1,037)us-gaap_OtherComprehensiveIncomeLossTax	(903)us-gaap_OtherComprehensiveIncomeLossTax
Other comprehensive income (loss)	$ (54,727)	$ 1,880

Other Comprehensive Income, Amortization Adjustments on Derivatives, Included in Net Income, Tax

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Amount before tax, after reclassification adjustments of other comprehensive income (loss).

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Amount before tax, after reclassification adjustments, of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

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Amount after tax and reclassification adjustments, of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

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Amount before tax, after reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

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Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

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Amount of tax expense (benefit), after reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

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Amount after tax and reclassification adjustments of other comprehensive income (loss).

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Amount before tax, after reclassification adjustments, of (increase) decrease in accumulated other comprehensive (income) loss related to pension and other postretirement defined benefit plans.

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Amount of tax expense (benefit) allocated to other comprehensive income (loss).

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