Income Taxes (Narrative) (Details) (USD $)	3 Months Ended	12 Months Ended					3 Months Ended	12 Months Ended
	Dec. 31, 2009	Dec. 31, 2012 item	Dec. 31, 2011	Dec. 31, 2003	Dec. 31, 2012 Expiration Period 2017 - 2022 [Member]	Dec. 31, 2012 Indefinite Expiration Period [Member]	Dec. 31, 2009 Hungary [Member]	Dec. 31, 2009 Hungary [Member]	Dec. 31, 2008 Hungary [Member]	Dec. 31, 2007 Hungary [Member]	Dec. 31, 2012 Federal [Member]
Net Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards		$ 445,000,000			$ 7,900,000	$ 437,000,000					$ 4,200,000
Operating loss carryforward, years of expiration		year 2030
Federal tax credit carryforwards		2,400,000
Federal tax carryforwards expiration years		years 2019 to 2030
Subsidiaries available, for income tax purposes		15
Gross deferred tax asset				91,000,000
Income tax charge	21,600,000						3,200,000
Change in valuation allowance	18,400,000							9,700,000	8,700,000	18,300,000
Non-U.S. subsidiaries' undistributed earnings		568,000,000
Undistributed foreign earnings taxable amount		188,000,000
Uncertain tax positions		$ 782,000	$ 627,000