Equity - Share repurchases (Details) - $ / shares	12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2022	Oct. 22, 2014
Equity, Class of Treasury Stock [Line Items]
Shares repurchased (in shares)	438,229	663,599	1,281,818
Average price per share including commissions (in USD per share)	$ 456.38	$ 301.39	$ 296.71
Maximum
Equity, Class of Treasury Stock [Line Items]
Number of shares authorized for repurchase (in shares)				35,000,000