Income Taxes (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended
Dec. 31, 2011	Jun. 30, 2011
Income Taxes [Abstract]
Gross unrecognized tax benefits	$ 2.3	$ 2.3
Unrecognized tax benefits that would impact effective tax rate if recognized	1.9	1.9
Tax expense accrued for interest and penalties	1.0
Tax expense accrued for interest and penalties for the current period	$ 0.1
Federal statutory rate	35.00%

The domestic federal statutory tax rate applicable under enacted tax laws to the Company's pretax income from continuing operations for the period. The "statutory" tax rate is the regular tax rate if there are alternative tax systems.

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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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- Definition

This element represents the total of interest expense 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 in the period in which the entity claims or expects to claim a tax position, in its tax return, that does not meet the minimum statutory threshold to avoid payment of penalties.

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