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Retirement Plans (Tables)
9 Months Ended
Jan. 31, 2024
Retirement Benefits [Abstract]  
Schedule of Net Benefit Costs
The components of net pension expense (income) for our defined benefit plans were as follows:
Three Months Ended
January 31,
Nine Months Ended
January 31,
2024202320242023
Service cost$134 $218 $400 $610 
Interest cost6,963 6,264 20,782 18,447 
Expected return on plan assets(7,458)(8,281)(22,347)(24,703)
Amortization of prior service cost(24)(23)(71)(70)
Amortization of net actuarial loss2,046 1,602 6,072 4,593 
Net pension expense (income)$1,661 $(220)$4,836 $(1,123)