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Pension and Employee Benefit Plans, Defined Benefit Employee Benefit Plans (Details) - USD ($)
$ in Millions

12 Months Ended

Mar. 31, 2026

Mar. 31, 2025

Mar. 31, 2024

Mar. 31, 2023

Employer Contributions [Abstract]

Net periodic benefit cost (income)

^[1]

$ 4.6

$ 3.3

$ 2.0

U.S. Pension Plans

Employer Contributions [Abstract]

Employer contributions

7.6

2.7

Net periodic benefit cost (income)

5.1

3.8

2.4

Settlements

(0.1)

^[2]

(0.1)

0.0

U.S. Pension Plans | U.S. Plans

Employer Contributions [Abstract]

Employer contributions

6.5

0.9

0.0

U.S. Pension Plans | U.S. Plans | Minimum

Employer Contributions [Abstract]

Expected contribution

$ 15.0

U.S. Pension Plans | U.S. Plans | Minimum | Plan [Member]

Employer Contributions [Abstract]

Settlements

115.0

U.S. Pension Plans | U.S. Plans | Maximum

Employer Contributions [Abstract]

Expected contribution

20.0

U.S. Pension Plans | U.S. Plans | Maximum | Plan [Member]

Employer Contributions [Abstract]

Settlements

$ 125.0

U.S. Pension Plans | Non-U.S Plans

Employer Contributions [Abstract]

Employer contributions

1.1

1.8

1.5

Postretirement Plans

Employer Contributions [Abstract]

Net periodic benefit cost (income)

$ (0.3)

$ (0.4)

$ (0.3)

[1]	Net periodic benefit cost for the Company’s pension and postretirement plans is exclusive of service cost.
[2]	The settlement charges resulted from activity associated with the Company’s non-U.S. pension plans.

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Amount of contribution received by defined benefit plan from employer which increases plan assets.

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