Share-Based Compensation - Stock Option and Cash-Based Stock Appreciation Rights Activity (Detail)	12 Months Ended
	Jun. 30, 2020 $ / shares shares
Number of Shares
Outstanding- July 1, 2019 (in shares) | shares	3,761,283
Granted (in shares) | shares	774,116
Exercised (in shares) | shares	(774,382)
Forfeitures and Expired (in shares) | shares	(39,216)
Outstanding - June 30, 2020 (in shares) | shares	3,721,801
Exercisable - June 30, 2020 (in shares) | shares	2,192,315
Weighted Average Exercise Price
Outstanding - July 1, 2019 (in usd per share) | $ / shares	$ 23.74
Granted (in usd per share) | $ / shares	34.75
Exercised (in usd per share) | $ / shares	17.39
Forfeited and Expired (in usd per share) | $ / shares	32.99
Outstanding - June 30, 2020 (in usd per share | $ / shares	26.99
Exercisable - June 30, 2020 (in usd per share) | $ / shares	$ 21.53
Cash-Based Stock Appreciation Rights
Number of Rights
Outstanding - July 1, 2019 (in shares) | shares	227,496
Granted (in shares) | shares	76,651
Exercised (in shares) | shares	(65,488)
Forfeited and Expired (in shares) | shares	(8,285)
Outstanding - June 30, 2020 (in shares) | shares	230,374
Exercisable - June 30, 2020 (in shares) | shares	79,459
Weighted Average Exercise Price
Outstanding - July 1, 2019 (in usd per share) | $ / shares	$ 28.09
Granted (in usd per share) | $ / shares	34.95
Exercised (in usd per share) | $ / shares	21.25
Forfeited and Expired (in usd per share) | $ / shares	33.76
Outstanding - June 30, 2020 (in usd per share) | $ / shares	32.13
Exercisable - June 30, 2020 (in usd per share) | $ / shares	$ 31.75