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v3.19.3

Pensions (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2019 | Sep. 30, 2018
Components of net periodic benefit cost [Abstract] |  |  |  |  |
Net periodic benefit cost | [1] | $ 0.7 | $ 0.7 | $ 1.4 | $ 1.4
Pension [Member] |  |  |  |  |
Components of net periodic benefit cost [Abstract] |  |  |  |  |
Service cost |  | 0.1 | 0.1 | 0.2 | 0.2
Interest cost |  | 2.2 | 2.4 | 4.5 | 4.8
Expected return on plan assets |  | (2.9) | (3.1) | (5.9) | (6.1)
Amortization of unrecognized net loss |  | 1.5 | 1.4 | 3.0 | 2.8
Net periodic benefit cost |  | $ 0.9 | $ 0.8 | 1.8 | 1.7
Pension [Member] | United States [Member] |  |  |  |  |
Defined benefit plan, plan assets [Abstract] |  |  |  |  |
Employer contributions |  |  |  | $ 1.7 | $ 3.7
[1] | Net periodic benefit cost for the Company’s pension and postretirement plans is exclusive of service cost.

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