Stock Incentive Plans - Stock appreciation rights activity (Details) - Stock Appreciation Rights (SARs) $ / shares in Units, $ in Millions	12 Months Ended
	Jun. 30, 2022 USD ($) $ / shares shares
Number of Shares
Beginning balance, outstanding (in shares) | shares	4,148,586
Granted (in shares) | shares	499,386
Exercised (in shares) | shares	(520,602)
Canceled (in shares) | shares	(28,226)
Ending balance, outstanding (in shares) | shares	4,099,144
Exercisable (in shares) | shares	2,886,647
Weighted-Average Exercise Price
Beginning balance, outstanding (in USD per share) | $ / shares	$ 152.44
Granted (in USD per share) | $ / shares	296.00
Exercised (in USD per share) | $ / shares	129.32
Canceled (in USD per share) | $ / shares	239.22
Ending balance, outstanding (in USD per share) | $ / shares	172.27
Exercisable (in USD per share) | $ / shares	$ 146.49
Weighted Average Remaining Contractual Term and Aggregate Intrinsic Value
Outstanding, weighted average remaining contractual term	6 years
Exercisable, weighted average remaining contractual term	5 years
Outstanding, aggregate intrinsic value | $	$ 326.8
Exercisable, aggregate intrinsic value | $	$ 287.4