Income Taxes (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
Sep. 30, 2011	Sep. 30, 2010	Jun. 30, 2011
Income Taxes [Abstract]
Effective income tax rate	23.90%	25.50%
Variation between effective tax rate and U.S statutory rate	35.00%
Unrecognized income tax benefit	$ 5.4		$ 5.0
Unrecognized tax benefits that would impact effective tax rate	4.3
Interest and penalties accrued	0.3		0.2
Decrease in unrecognized tax benefits within next twelve months	$ 0.8

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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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

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The portion of the difference between the effective income tax rate and domestic federal statutory income tax rate that can be explained by the difference between statutory income tax rates in foreign jurisdictions and the domestic federal statutory income tax rate recorded during the period.

+ References

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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.

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-Name FASB Interpretation (FIN)

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-Glossary Unrecognized Tax Benefit

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This element represents the total of accruals as of the date of the statement of financial position for interest recognized for an underpayment of income taxes computed by applying the applicable statutory rate of interest to the difference between a tax position recognized for financial reporting purposes and the amount previously taken or expected to be taken in a tax return of the entity and the amount of statutory penalties for a tax position claimed or expected to be claimed by the entity, in its tax return, that does not meet the minimum statutory threshold to avoid payment of penalties.

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The net amount of all increases and decreases in unrecognized tax benefits for the period.

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The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

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