Income Taxes (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Income (loss) from continuing operations before income taxes:
U.S.	$ 34,393	$ 19,341	$ (8,545)
International	87,254	97,548	72,350
Income from continuing operations before income taxes	121,647	116,889	63,805
Current:
U.S. – federal	75	11,829	578
U.S. – state	1,215	805	758
International	13,417	11,695	9,958
Current Income Tax Expense (Benefit)	14,707	24,329	11,294
Deferred:
U.S. – federal	13,794	831	(423)
U.S. – state	566	928	(434)
International	(5,717)	(772)	(610)
Deferred Income Tax Expense (Benefit)	8,643	987	(1,467)
Income tax provision	$ 23,350	$ 25,316	$ 9,827