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Retirement Plans (Tables)
 6 Months Ended
Oct. 31, 2024
Retirement Benefits [Abstract]  
Schedule of Net Pension Expense for Our Defined Benefit Plans
The components of net pension expense for our defined benefit plans were as follows:
Three Months Ended
October 31, 		Six Months Ended
October 31,
2024202320242023
Service cost$138 $132 $304 $266 
Interest cost7,043 6,872 14,171 13,819 
Expected return on plan assets(6,883)(7,398)(13,851)(14,889)
Amortization of prior service cost(22)(24)(41)(47)
Amortization of net actuarial loss2,031 2,000 4,090 4,026 
Curtailment/settlement (credit)(180)— (180)— 
Net pension expense$2,127 $1,582 $4,493 $3,175