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Pension Benefits (Net Periodic Benefit Costs Assumptions) (Details) - Defined Benefit Pension Plans [Member]
12 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2020
Defined Benefit Plan Disclosure [Line Items]      
Discount rate 2.58% 2.49% 3.35%
Expected long-term return on plan assets 5.00% 5.00% 6.50%