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Employee Benefit Plans - Actuarial Assumptions - Tabular Disclosure (Details)
12 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2022
Significant actuarial assumptions      
Discount rate for interest cost (as a percent) 5.00% 4.30% 2.20%
Expected rate of return on plan assets (as a percent) 5.80% 4.40% 4.40%
Discount rate for year-end benefit obligation (as a percent) 5.10% 4.60% 2.90%