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Income Taxes (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2013	Jun. 30, 2012
Effective income tax rate		33.50%	33.70%
Current Taxes Payable, Conversion of Debt	$ 52.7
Adjustment to Additional Paid-In Capital, Conversion of Debt	34.5	34.5
Unrecognized tax benefits	139.6	139.6
Unrecognized tax benefits that would impact effective tax rate	$ 60.9	$ 60.9

- 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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