Income Taxes (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Income Taxes
Balance at the beginning of the period, unrecognized tax benefits			$ 36,846
Additions based on current year positions			661
Reductions based on prior year positions			(1,397)
Decreases due to settlements and/or reduction in liabilities			(7,317)
Currency translation adjustments			1,680
Balance at the end of the period, Goodwill grossunrecognized tax benefits	$ 30,473		$ 30,473
Effective income tax rate (as a percent)	33.50%	64.70%	37.50%	43.10%

The gross amount of increases in unrecognized tax benefits resulting from foreign currency translation adjustments.

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A ratio calculated by dividing the reported amount of income tax expense attributable to continuing operations for the period by GAAP-basis pretax income from continuing operations.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name FASB Interpretation (FIN)
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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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The gross amount of decreases in unrecognized tax benefits resulting from tax positions taken in prior period tax returns, excluding amounts pertaining to examined tax returns.

+ References

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-Publisher FASB
-Name FASB Interpretation (FIN)
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- Definition

The gross amount of decreases in unrecognized tax benefits resulting from settlements with taxing authorities.

+ References

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-Publisher FASB
-Name FASB Interpretation (FIN)
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The gross amount of increases in unrecognized tax benefits resulting from tax positions that have been or will be taken in the tax return for the current period, excluding amounts pertaining to examined tax returns.

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-Publisher FASB
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