Incentive Plans - Equity Incentive Plan Policy Valuation Assumptions (Details) - Equity Incentive Plans - Employee Stock Option [Member]	12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected volatility		20.30%
Weighted-average volatility	22.50%	20.30%
Expected dividend yield	4.50%	3.90%
Expected term (in years)	7 years 4 months 24 days	7 years 3 months 18 days
Risk-free interest rate	4.30%	2.90%
Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected volatility	21.60%
Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected volatility	22.90%