Income Taxes (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Current taxes
Federal	$ 8,869	$ 6,943	$ (8,238)
State	3,386	(1,762)	(392)
Foreign	9,516	2,637	4,540
Total current taxes	21,771	7,818	(4,090)
Deferred taxes and other
Federal	(5,456)	(3,908)	(17,530)
State	(920)	(286)	(131)
Foreign	4,167	4,527	846
Total deferred and other taxes	(2,209)	333	(16,815)
Income tax provision/(benefit)	$ 19,562	$ 8,151	$ (20,905)

The component of income tax expense for the period representing amounts paid or payable (or refundable) as determined by applying the provisions of enacted federal tax law to the domestic taxable Income or Loss from continuing operations.

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