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Income Tax (Details 3)	3 Months Ended
Income Tax (Details 3)	Mar. 31, 2012	Mar. 31, 2011
Reconciliation of the US statutory federal tax rate to the consolidated effective income tax rate
US statutory federal rate	35.00%	35.00%
US state income taxes	1.00%	1.00%
Non-US income taxed at different rates	(10.00%)	(11.00%)
Other	(2.00%)	(1.00%)
Effective income tax rate	24.00%	24.00%

- Definition

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.

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