Share-Based Compensation - Summary of Stock Option Activity (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2022
Number of Awards
Exercised (in shares)	(835,532)	(117,621)	(891)
Stock options
Number of Awards
Balance at the beginning of the period (in shares)	1,808,174	1,962,589	2,075,753
Granted (in shares)	11,014	27,956	36,444
Exercised (in shares)	(835,532)	(117,621)	(891)
Withheld (in shares)	(369,042)	(1,136)
Forfeited (in shares)	(1,028)	(2,097)	(69,656)
Expired (in shares)		(61,517)	(79,061)
Balance at the end of the period (in shares)	613,586	1,808,174	1,962,589
Exercisable (in shares)	603,600
Weighted Average Exercise Price
Balance at the beginning of the period (in dollars per share)	$ 42.67	$ 42.96	$ 43.47
Granted (in dollars per share)	70.64	36.24	34.43
Exercised (in dollars per share)	45.06	42.39	39.70
Withheld (in dollars per share)	39.81	44.90
Forfeited (in dollars per share)	70.64	42.16	40.52
Expired (in dollars per share)		49.67	54.49
Balance at the end of the period (in dollars per share)	41.61	$ 42.67	$ 42.96
Exercisable (in dollars per share)	$ 41.13
Weighted Average Remaining Contractual Term
Outstanding	3 years 7 months 6 days
Exercisable	3 years 6 months
Aggregate Intrinsic Value ($ in millions)
Outstanding	$ 41.7
Exercisable	$ 41.3