Stock Incentive Plans - Additional Information (Detail) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2011
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common shares reserved for issuance in connection with its stock incentive plans	13,000,000
Income tax benefit	$ 47,659	$ 14,008	$ 42,546
Director [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock issued to certain non-employee members of the Board of Directors (in shares)	14,580	15,010	17,820
Shares issued in lieu of directors' fees			2,400
Employee Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	33,018	26,585	36,617
Expense for nonvested stock-based awards has yet to be recognized	24,565
Expense for nonvested stock-based awards has yet to be recognized, amortized over a weighted-average period (in months)	12 months
Total fair value of shares vested	29,777	37,885	45,635
Shares surrendered upon exercise of stock	1,947,148	321,266	2,447,908
Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options and SARs exercisable minimum period after the date of grant (in years)	3 years
Stock-based compensation expense	17,852	12,393	12,243
Expense for nonvested stock-based awards has yet to be recognized	11,489
Expense for nonvested stock-based awards has yet to be recognized, amortized over a weighted-average period (in months)	18 months
Total fair value of shares vested	12,488	8,642	20
Income tax benefit	976	1,673
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock awards, recognized tax benefit (cost)	17,395	426	277
Long Term Incentive Plans
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	$ 34,127	$ 41,886	$ 24,378
Restricted stock issued to certain non-employee members of the Board of Directors (in shares)	792,428	243,266	157,491
Shares surrendered upon exercise of stock	311,110	76,427	126,462
Minimum \| Employee Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Purchase price of common stock under stock options	100.00%
Stock options and SARs exercisable minimum period after the date of grant (in years)	1 year
Maximum \| Employee Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options and SARs exercisable minimum period after the date of grant (in years)	3 years
Stock options and SARs expiration period (in years)	10
Omnibus Stock Incentive Plan 2009
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Aggregate number of shares authorized for issuance under stock incentive plan	14,700,000

Issued Shares of Common Stock Pursuant to Deferred Director Fee Plan, Shares

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Share Based Compensation Arrangement by Share Based Payment Award, Options, Expiration Term

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Share Based Compensation Arrangement by Share Based Payment Award, Purchase Price, Percentage of Fair Market Value

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Number of shares of common stock that were repurchased in the administration of our employee share-based compensation plans. Under the terms of these plans, we accept shares of common stock from option holders if they elect to surrender previously-owned shares upon exercise of the option to cover the exercise price of the options or, in the case of restricted shares of common stock, the withholding of shares to satisfy tax withholding obligations associated with the vesting of such shares.

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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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Aggregate number of common shares reserved for future issuance.

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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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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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The total recognized tax benefit related to compensation cost for equity-based payment arrangements recognized in income during the period.

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Disclosure of the aggregate tax benefit realized from the exercise of stock options and the conversion of similar instruments during the annual period.

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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 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 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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Total number of shares issued during the period, including shares forfeited, as a result of Restricted Stock Awards.

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