Income Taxes (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	9 Months Ended
Mar. 31, 2012	Mar. 31, 2011	Mar. 31, 2012	Mar. 31, 2011	Jun. 30, 2011
Income Taxes [Abstract]
Cumulative undistributed earnings attributable to international operations			$ 395.6	$ 315.2
Effective tax rate	29.10%	32.30%	30.10%	33.70%
Total amount of gross unrecognized tax benefits for uncertain tax positions, including positions impacting timing of tax benefits	11.2	9.1	11.2	9.1
Amount of unrecognized tax benefits that, if recognized, would impact the effective tax rate	11.2	9.1	11.2	9.1
Total amount of interest and penalties accrued					$ 1.0

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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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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