Stock Incentive Plans - Summary of the status and shares subject to restricted stock units and average price per share (Details) - Restricted Stock Units (RSUs)	12 Months Ended
	Jun. 30, 2024 $ / shares shares
Number of Shares
Beginning balance, nonvested (in shares) | shares	205,521
Granted (in shares) | shares	84,008
Vested (in shares) | shares	(105,855)
Canceled (in shares) | shares	(5,855)
Ending balance, nonvested (in shares) | shares	177,819
Weighted-Average Grant Date Fair Value
Beginning balance, nonvested (in USD per share) | $ / shares	$ 278.88
Granted (in USD per share) | $ / shares	403.27
Vested (in USD per share) | $ / shares	263.14
Canceled (in USD per share) | $ / shares	344.65
Ending balance, nonvested (in USD per share) | $ / shares	$ 344.85
Director
Number of Shares
Beginning balance, nonvested (in shares) | shares	6,225
Granted (in shares) | shares	4,658
Vested (in shares) | shares	(6,244)
Ending balance, nonvested (in shares) | shares	4,639
Weighted-Average Grant Date Fair Value
Beginning balance, nonvested (in USD per share) | $ / shares	$ 278.90
Granted (in USD per share) | $ / shares	367.97
Vested (in USD per share) | $ / shares	278.90
Ending balance, nonvested (in USD per share) | $ / shares	$ 368.34