Pension and Employee Benefit Plans, Defined Benefit Employee Benefit Plans (Details) - USD ($) $ in Millions		12 Months Ended
		Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2021
Employer Contributions [Abstract]
Net periodic benefit cost (income)	[1]	$ 2.0	$ 1.1	$ 3.3
Pension Plans [Member]
Employer Contributions [Abstract]
Employer contributions		1.5	5.0
Net periodic benefit cost (income)		2.4	1.6	3.9
Pension Plans [Member] | U.S. Plans [Member]
Employer Contributions [Abstract]
Employer contributions		0.0	3.5	19.3
Pension Plans [Member] | Non-U.S Plans [Member]
Employer Contributions [Abstract]
Employer contributions		1.5	1.5	2.2
Postretirement Plans [Member]
Employer Contributions [Abstract]
Net periodic benefit cost (income)		$ (0.3)	$ (0.3)	$ (0.3)

[1] Net periodic benefit cost for the Company’s pension and postretirement plans is exclusive of service cost.