Income Taxes - Income (Loss) From Continuing Operatings (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest [Abstract]
Domestic	$ 16,173	$ (28,344)	$ (16,108)
Foreign	148,219	25,947	139,915
Total	$ 164,392	$ (2,397)	$ 123,807