Income Taxes (Details 4) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2011	Dec. 31, 2010 As Restated [Member]	Dec. 31, 2009 As Restated [Member]
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Unrecognized tax benefits, beginning of year	$ 14,532	$ 12,073	$ 12,452
Increase (decrease) related to prior year tax positions	0	0	797
Increase (decrease) related to prior year tax positions	(374)	0	0
Decrease related to Currency Translation	(794)	0	0
Increase related to Currency Translation	0	0	0
Increase related to current year tax positions	75	0	0
Decrease related to current year tax positions	0	0	(61)
Expirations	(4,478)	(1,753)	(722)
Settlements	(1,616)	(1,224)	(393)
Acquired unrecognized tax benefits	0	5,436	0
Unrecognized tax benefits, end of year	$ 7,345	$ 14,532	$ 12,073

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Unrecognized Tax Benefits, Increase Resulting from Acquisiton

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The gross amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns as of the balance sheet date.

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