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Pension and Other Postretirement Benefits - Components of Net Periodic Pension Income (Details) - Pension plans contribution [Member] - USD ($)
$ in Thousands
 3 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Net periodic pension income    
Service cost $ 238 $ 286
Interest cost 8,040 5,659
Expected return on plan assets (10,026) (13,037)
Amortization of transition obligation 21 24
Amortization of prior service cost (credit) 2 3
Recognition of actuarial losses 1,105 2,970
Net periodic pension income $ (620) $ (4,095)