Accumulated Other Comprehensive Income/(Loss) (Schedule of Accumulated Other Comprehensive Income) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	$ (107,767)	$ (49,498)
Other comprehensive income before reclassifications	(36,358)	(5,448)
Interest expense related to swaps reclassified to the Statement of Operations, net of tax	296	292
Pension and postretirement liability adjustments reclassified to Statements of Income, net of tax	257	131
Net current period other comprehensive income	(35,805)	(5,025)
Ending balance	(143,572)	(54,523)
Translation Adjustments [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	(55,240)	(138)
Other comprehensive income before reclassifications	(37,413)	(5,599)
Net current period other comprehensive income	(37,413)	(5,599)
Ending balance	(92,653)	(5,737)
Pension and Postretirement Liability Adjustments [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	(51,666)	(48,383)
Other comprehensive income before reclassifications	1,730	371
Pension and postretirement liability adjustments reclassified to Statements of Income, net of tax	257	131
Net current period other comprehensive income	1,987	502
Ending balance	(49,679)	(47,881)
Derivative Valuation Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	(861)	(977)
Other comprehensive income before reclassifications	(675)	(220)
Interest expense related to swaps reclassified to the Statement of Operations, net of tax	296	292
Net current period other comprehensive income	(379)	72
Ending balance	$ (1,240)	$ (905)

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Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.

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

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

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Amount after tax of reclassification adjustment from accumulated other comprehensive income of accumulated gain (loss) realized from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's deferred hedging gain (loss).

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Amount after tax of reclassification adjustment from accumulated other comprehensive (income) loss related to net period benefit cost (credit) for pension and other postretirement defined benefit plans.

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