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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Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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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.

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The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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The number of shares reserved for issuance under stock option agreements awarded under the plan that validly exist and are outstanding as of the balance sheet date, including vested options.

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This item represents the conversion ratio used in the calculation of a stock split.

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The number of grants, net of forfeitures, 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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This represents post-stock split reduction (per share) in exercise price on nonvested stock options due to dividends declared.

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Stock-based Compensation (Summary) (Details) (USD $) In Millions, except Share data, unless otherwise specified	1 Months Ended	12 Months Ended
	Jun. 30, 2011	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2011
Stock-based Compensation, Aggregate Disclosures [Abstract]
Stock-based compensation expense		$ 6.4	$ 9.2	$ 4.8
Options outstanding, shares		5,412,141	6,669,353
Stock split conversion ratio	59.584218
Stock options [Member]
Stock-based Compensation, Aggregate Disclosures [Abstract]
Vesting period		3 years
Restricted stock units [Member]
Stock-based Compensation, Aggregate Disclosures [Abstract]
Outstanding, shares		1,503,466	1,301,134
Vesting period		4 years
Performance-based restricted stock [Member]
Stock-based Compensation, Aggregate Disclosures [Abstract]
Vesting period		4 years
Performance-based restricted stock earned, shares		498,864
Restricted stock [Member]
Stock-based Compensation, Aggregate Disclosures [Abstract]
Outstanding, shares		0	1,530,139
2004 Stock Incentive Plan [Member]
Stock-based Compensation, Aggregate Disclosures [Abstract]
Shares available for grant		0
2004 Stock Incentive Plan [Member] \| Stock options [Member]
Stock-based Compensation, Aggregate Disclosures [Abstract]
Reduction in exercise price on nonvested stock options, pre-stock split, per share		$ 994.05
Reduction in exercise price on nonvested stock options, post-stock split, per share		$ 16.68
2011 Stock Incentive Plan [Member]
Stock-based Compensation, Aggregate Disclosures [Abstract]
Number of shares authorized for issuance of common stock		14,000,000
2011 Stock Incentive Plan [Member] \| Stock options [Member]
Stock-based Compensation, Aggregate Disclosures [Abstract]
Shares available for grant		8,760,003
Options outstanding, shares		1,496,431
2011 Stock Incentive Plan [Member] \| Restricted stock units [Member]
Stock-based Compensation, Aggregate Disclosures [Abstract]
Outstanding, shares		1,209,037
2011 Stock Incentive Plan [Member] \| Performance-based restricted stock [Member]
Stock-based Compensation, Aggregate Disclosures [Abstract]
Outstanding, shares		498,864	740,409