Stock-Based Compensation (Details 3) (USD $) In Millions, except Share data, unless otherwise specified	9 Months Ended
Mar. 31, 2013
Stock options
Stock-Based Compensation
Total unrecognized compensation cost	$ 2.4
Weighted-average period for recognition of unrecognized compensation cost	5 years 8 months 12 days
Restricted stock awards
Stock-Based Compensation
Total unrecognized compensation cost	$ 7.4
Weighted-average period for recognition of unrecognized compensation cost	2 years 7 months 6 days
Shares
Non-vested at the beginning of the period (in shares)	3,855,320
Granted (in shares)	1,668,490
Vested (in shares)	(1,603,204)
Forfeited (in shares)	(442,431)
Non-vested at the end of the period (in shares)	3,478,378
Weighted Average Grant Date Fair Value
Non-vested -beginning of period (in dollars per share)	$ 2.37
Granted (in dollars per share)	$ 3.55
Vested (in dollars per share)	$ 2.48
Forfeited (in dollars per share)	$ 3.21
Non-vested at end of the period (in dollars per share)	$ 2.78

As of the balance sheet date, the aggregate unrecognized cost of equity-based awards made to employees under equity-based compensation awards that have yet to vest.

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- Definition

Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

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Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

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- Definition

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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- Definition

The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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- Definition

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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- Definition

The weighted average fair value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

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-Name Statement of Financial Accounting Standard (FAS)

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-Paragraph A240

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

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