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Pension and Other Postretirement Benefits (Tables)
9 Months Ended
Mar. 31, 2022
Pension Plan [Member]  
Defined Benefit Plan Disclosure [Line Items]  
Net periodic pension (income)
The table below summarizes the components of net periodic pension income:
Three Months Ended March 31,Nine Months Ended March 31,
(in thousands)2022202120222021
Service cost$279 $429 $846 $1,264 
Interest cost5,631 5,815 16,931 17,371 
Expected return on plan assets(12,985)(13,459)(39,020)(40,171)
Amortization of transition obligation23 24 71 70 
Amortization of prior service cost25 
Recognition of actuarial losses2,918 3,431 8,829 10,190 
Net periodic pension income$(4,131)$(3,752)$(12,334)$(11,251)
Other Postretirement Benefits Plan [Member]  
Defined Benefit Plan Disclosure [Line Items]  
Net periodic pension (income)
The table below summarizes the components of net periodic other postretirement benefit cost:
Three Months Ended March 31,Nine Months Ended March 31,
(in thousands)2022202120222021
Interest cost$72 $76 $216 $230 
Amortization of prior service credit(69)(69)(207)(207)
Recognition of actuarial loss74 77 223 230 
Net periodic other postretirement benefit cost$77 $84 $232 $253