Stock Option and Cash-Based Stock Appreciation Rights Activity (Detail)	12 Months Ended
	Jun. 30, 2016 $ / shares shares
Number of Shares
Outstanding - July 1, 2015 | shares	4,564,824
Granted | shares	686,100
Exercised | shares	(700,816)
Forfeited and Expired | shares	(298,182)
Outstanding - June 30, 2016 | shares	4,251,926
Exercisable - June 30, 2016 | shares	2,613,008
Weighted Average Exercise Price
Outstanding - July 1, 2015 | $ / shares	$ 16.54
Granted | $ / shares	18.20
Exercised | $ / shares	13.77
Forfeited and Expired | $ / shares	18.11
Outstanding - June 30, 2016 | $ / shares	17.15
Exercisable - June 30, 2016 | $ / shares	$ 17.14
Cash-Based Stock Appreciation Rights
Number of Shares
Outstanding - July 1, 2015 | shares	167,172
Granted | shares	51,400
Exercised | shares	(15,330)
Forfeited and Expired | shares	(25,008)
Outstanding - June 30, 2016 | shares	178,234
Exercisable - June 30, 2016 | shares	41,192
Weighted Average Exercise Price
Outstanding - July 1, 2015 | $ / shares	$ 16.80
Granted | $ / shares	17.96
Exercised | $ / shares	17.10
Forfeited and Expired | $ / shares	16.59
Outstanding - June 30, 2016 | $ / shares	17.13
Exercisable - June 30, 2016 | $ / shares	$ 17.84