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Income Taxes (Details)	3 Months Ended		6 Months Ended
Income Taxes (Details)	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2011	Dec. 31, 2010
Income Taxes [Abstract]
Effective tax rate	35.30%	36.00%	34.80%	36.10%

- 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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