Share-Based Compensation Outstanding and Exercisable Options (Detail) (USD $)	12 Months Ended
	Jun. 30, 2014
Stock Options and Cash-Based Stock Appreciation Rights
Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range [Line Items]
Stock Options and Cash-Based Stock Appreciation Rights Outstanding, Number of Shares	4,813,272
Stock Options and Cash-Based Stock Appreciation Rights Outstanding, Weighted Average Remaining Contractual Term (Years)	5 years 6 months 7 days
Stock Options and Cash-Based Stock Appreciation Rights Outstanding, Weighted Average Exercise Price	$ 16.42
Stock Options and Cash-Based Stock Appreciation Rights Exercisable, Number of Shares	3,035,730
Stock Options and Cash-Based Stock Appreciation Rights Exercisable, Weighted Average Remaining Contractual Term (Years)	4 years 1 month 21 days
Stock Options and Cash-Based Stock Appreciation Rights Exercisable, Weighted Average Exercise Price	$ 15.49
$8.44-$12.80
Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range [Line Items]
Range of Exercise Prices, Lower range	$ 8.44
Range of Exercise Prices, Upper range	$ 12.80
$8.44-$12.80 | Stock Options and Cash-Based Stock Appreciation Rights
Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range [Line Items]
Stock Options and Cash-Based Stock Appreciation Rights Outstanding, Number of Shares	1,331,888
Stock Options and Cash-Based Stock Appreciation Rights Outstanding, Weighted Average Remaining Contractual Term (Years)	3 years 18 days
Stock Options and Cash-Based Stock Appreciation Rights Outstanding, Weighted Average Exercise Price	$ 10.70
Stock Options and Cash-Based Stock Appreciation Rights Exercisable, Number of Shares	1,233,668
Stock Options and Cash-Based Stock Appreciation Rights Exercisable, Weighted Average Remaining Contractual Term (Years)	2 years 10 months 17 days
Stock Options and Cash-Based Stock Appreciation Rights Exercisable, Weighted Average Exercise Price	$ 10.59
$13.17-$20.26
Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range [Line Items]
Range of Exercise Prices, Lower range	$ 13.17
Range of Exercise Prices, Upper range	$ 20.26
$13.17-$20.26 | Stock Options and Cash-Based Stock Appreciation Rights
Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range [Line Items]
Stock Options and Cash-Based Stock Appreciation Rights Outstanding, Number of Shares	2,831,846
Stock Options and Cash-Based Stock Appreciation Rights Outstanding, Weighted Average Remaining Contractual Term (Years)	7 years
Stock Options and Cash-Based Stock Appreciation Rights Outstanding, Weighted Average Exercise Price	$ 17.45
Stock Options and Cash-Based Stock Appreciation Rights Exercisable, Number of Shares	1,196,748
Stock Options and Cash-Based Stock Appreciation Rights Exercisable, Weighted Average Remaining Contractual Term (Years)	5 years 5 months 9 days
Stock Options and Cash-Based Stock Appreciation Rights Exercisable, Weighted Average Exercise Price	$ 16.47
$20.47-$27.18
Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range [Line Items]
Range of Exercise Prices, Lower range	$ 20.47
Range of Exercise Prices, Upper range	$ 27.18
$20.47-$27.18 | Stock Options and Cash-Based Stock Appreciation Rights
Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range [Line Items]
Stock Options and Cash-Based Stock Appreciation Rights Outstanding, Number of Shares	649,538
Stock Options and Cash-Based Stock Appreciation Rights Outstanding, Weighted Average Remaining Contractual Term (Years)	4 years 4 months 13 days
Stock Options and Cash-Based Stock Appreciation Rights Outstanding, Weighted Average Exercise Price	$ 23.52
Stock Options and Cash-Based Stock Appreciation Rights Exercisable, Number of Shares	605,314
Stock Options and Cash-Based Stock Appreciation Rights Exercisable, Weighted Average Remaining Contractual Term (Years)	4 years 2 months 5 days
Stock Options and Cash-Based Stock Appreciation Rights Exercisable, Weighted Average Exercise Price	$ 23.49