Share-Based Compensation - Summary of Stock Option Activity (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2023
Number of Awards
Exercised (in shares)	(251,339)	(835,532)	(117,621)
Stock options
Number of Awards
Balance at the beginning of the period (in shares)	613,586	1,808,174	1,962,589
Granted (in shares)	12,891	11,014	27,956
Exercised (in shares)	(251,339)	(835,532)	(117,621)
Withheld (in shares)	(101,147)	(369,042)	(1,136)
Forfeited (in shares)		(1,028)	(2,097)
Expired (in shares)			(61,517)
Balance at the end of the period (in shares)	273,991	613,586	1,808,174
Exercisable (in shares)	261,100
Weighted Average Exercise Price
Balance at the beginning of the period (in dollars per share)	$ 41.61	$ 42.67	$ 42.96
Granted (in dollars per share)	176.88	70.64	36.24
Exercised (in dollars per share)	43.10	45.06	42.39
Withheld (in dollars per share)	46.61	39.81	44.90
Forfeited (in dollars per share)		70.64	42.16
Expired (in dollars per share)			49.67
Balance at the end of the period (in dollars per share)	44.76	$ 41.61	$ 42.67
Exercisable (in dollars per share)	$ 38.23
Weighted Average Remaining Contractual Term
Outstanding	3 years 9 months 18 days
Exercisable	3 years 6 months
Aggregate Intrinsic Value ($ in millions)
Outstanding	$ 63.5
Exercisable	$ 62.2