Income Taxes (Narrative) (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Income Tax Disclosure [Abstract]
Undistributed earnings of foreign subsidiaries	$ 405,000,000
Income tax benefits attributable to equity-based compensation	(3,600,000)	(6,100,000)	(3,300,000)
Tax expense/(benefit) related to changes in pension and post-retirement plan assets and benefit obligations	(13,400,000)	(44,100,000)	6,600,000
Unrealized tax asset on related tax loss	62,100,000
Valuation allowance against U.S. and non-U.S. deferred tax assets	52,900,000
Total valuation allowance	115,014,000	107,511,000
Increase in total amount of unrecognized tax benefits that would impact effective tax rate	18,900,000	9,300,000	2,800,000
Interest expense and penalties, related to unrecognized tax benefits	400,000	200,000
Unrecognized tax benefits, interest income		400,000
Unrecognized tax benefits, income tax penalties and interest accrued	1,000,000	600,000
Change in unrecognized tax benefits is reasonably possible, amount of unrecorded benefit	$ 4,100,000