Income Taxes (Income (Loss) From Continuing Operations Before Income Tax Expense) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Income (loss) from continuing operations before income tax expense:
United States	$ (1,067)	$ (1,884)
Outside the United States	18,131	38,912
Income from continuing operations before income tax expense	$ 17,064	$ 37,028