v2.4.0.6

Stock Option Plan (Narrative) (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Mar. 31, 2012	Mar. 31, 2011	Mar. 31, 2012	Mar. 31, 2011
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total intrinsic value of options exercised			$ 3.4
Weighted-average grant date fair value of options			$ 11.61
Total unrecognized compensation expense related to unvested stock options granted	6.0		6.0
Weighted average period of total unrecognized compensation expense related to unvested stock options granted, years			2.2
Stock based compensation expense	1.0	1.2	3.2	3.9
Restricted Stock Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total unrecognized compensation expense related to unvested stock options granted	9.7		9.7
Weighted average period of total unrecognized compensation expense related to unvested stock options granted, years			2.1
Stock based compensation expense	1.6	0.8	4.1	3.6
Total fair value of shares vested			$ 4.1

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- Definition

Weighted average grant date fair value of options.

+ References

No definition available.

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- Definition

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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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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The total fair value of equity-based awards 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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The total accumulated difference between fair values of underlying shares on dates of exercise and exercise price on options which were exercised (or share units converted) into shares during the reporting period under the plan.

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