v3.26.1
Pension and Other Postretirement Benefits - Narrative (Details)
$ in Thousands
 12 Months Ended
Jun. 30, 2026
USD ($)
age
Jun. 30, 2025
USD ($)
Jun. 30, 2024
USD ($)
Defined Benefit Plan Disclosure [Line Items]      
Eligible age for availing postretirement healthcare benefits | age 65    
Net periodic defined benefits expense (reversal of expense), excluding service cost component $ 6,400 $ 1,300 $ (2,900)
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Excluding Service Cost, Statement of Income or Comprehensive Income [Extensible Enumeration] Other Nonoperating Income (Expense) Other Nonoperating Income (Expense) Other Nonoperating Income (Expense)
Defined contribution plan, cost $ 16,300 $ 16,500 $ 16,300
Pension Plan      
Defined Benefit Plan Disclosure [Line Items]      
Plan settlements (1,102) (3,480)  
Accumulated benefit obligation for all defined benefit pension plans 629,900 666,000  
Projected benefit payments for 2027 59,100    
Projected benefit payments for 2028 56,900    
Projected benefit payments for 2029 55,300    
Projected benefit payments for 2030 54,300    
Projected Benefit Payments for 2027Projected benefit payments for 2031 52,700    
Projected benefit payments for 2032 through 2036 245,800    
Accumulated other comprehensive loss expected to be recognized in net periodic pension cost related to net actuarial losses 11,800    
Estimated future employer contributions 10,000    
Service cost 1,103 909 $ 1,181
Pension Plan | Foreign Plan      
Defined Benefit Plan Disclosure [Line Items]      
Plan settlements   $ 800  
Other Postretirement Benefit Plan, Defined Benefit [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Projected benefit payments for 2027 900    
Projected benefit payments for 2028 800    
Projected benefit payments for 2029 700    
Projected benefit payments for 2030 700    
Projected Benefit Payments for 2027Projected benefit payments for 2031 600    
Projected benefit payments for 2032 through 2036 2,400    
Accumulated other comprehensive loss expected to be recognized in net periodic pension cost related to net actuarial losses 100    
Estimated future employer contributions 900    
Accumulated other comprehensive income expected to be recognized in net periodic pension cost related to prior service credit $ 300