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v3.25.2

Pensions and Other Postretirement Benefits (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Apr. 30, 2025 | Apr. 30, 2024 | Apr. 30, 2023
Components of net periodic benefit cost: |  |  |
Settlement loss (gain) | $ 0.0 | $ 3.2 | $ 7.4
Defined Benefit Pension Plans |  |  |
Components of net periodic benefit cost: |  |  |
Service cost | 0.7 | 0.9 | 1.2
Interest cost | 17.7 | 18.5 | 17.8
Expected return on plan assets | (12.3) | (16.1) | (15.4)
Amortization of prior service cost (credit) | 0.1 | 0.1 | 0.7
Amortization of net actuarial loss (gain) | 4.3 | 3.5 | 4.0
Curtailment loss (gain) | 0.0 | (1.2) | 0.0
Settlement loss (gain) | 0.0 | 3.2 | 7.4
Net periodic benefit cost | 10.5 | 8.9 | 15.7
Other Postretirement Benefits |  |  |
Components of net periodic benefit cost: |  |  |
Service cost | 0.6 | 0.8 | 1.0
Interest cost | 2.7 | 2.6 | 2.3
Expected return on plan assets | 0.0 | 0.0 | 0.0
Amortization of prior service cost (credit) | (0.6) | (0.6) | (0.6)
Amortization of net actuarial loss (gain) | (2.0) | (1.5) | (1.2)
Curtailment loss (gain) | 0.0 | 0.0 | 0.0
Settlement loss (gain) | 0.0 | 0.0 | 0.0
Net periodic benefit cost | $ 0.7 | $ 1.3 | $ 1.5

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