Comprehensive Income (Loss) (Schedule of AOCI) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended			6 Months Ended
Jun. 30, 2011	Jun. 30, 2012	Dec. 31, 2011	Jun. 30, 2012 Total Accumulated Comprehensive Loss [Member]	Jun. 30, 2012 Foreign Currency Translation [Member]	Jun. 30, 2012 Derivative Instruments [Member]	Jun. 30, 2012 Pension and Other Postretirement Benefits [Member]
Change in Accumulated Other Comprehensive Loss [Roll Forward]
Balance on December 31, 2011		$ (122,737)	$ (128,372)	$ (128,372)	$ (4,005)	$ (2,370)	$ (121,997)
Change				9,967	(2,679)	1,687	10,959
Tax effect	0			(4,332)	0	(210)	(4,122)
Balance on June 30, 2012		$ (122,737)	$ (128,372)	$ (122,737)	$ (6,684)	$ (893)	$ (115,160)

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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Before tax amount of other comprehensive income (loss) attributable to the parent entity.

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Tax effect of other comprehensive income (loss) attributable to both parent entity and noncontrolling interest.

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