Stock Incentive Plans - Schedule of Fair Value of Each SAR Award Granted Using a Black-Scholes Option Pricing Model (Details) - Stock Appreciation Rights (SARs) - $ / shares	12 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted-average fair value (in USD per share)	$ 205.79	$ 146.72	$ 97.70
Risk-free interest rate	3.70%	4.40%	3.00%
Expected life of award	5 years 8 months 12 days	5 years 6 months	5 years 7 months 6 days
Expected dividend yield of stock	1.10%	1.80%	1.80%
Expected volatility of stock	35.70%	39.00%	37.10%