Pension and Employee Benefit Plans, Defined Benefit Employee Benefit Plans (Details) - USD ($) $ in Millions		12 Months Ended
		Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2020
Employer Contributions [Abstract]
Net periodic benefit cost (income)	[1]	$ 1.1	$ 3.3	$ 3.0
Pension Plans [Member]
Employer Contributions [Abstract]
Employer contributions		5.0	21.5
Net periodic benefit cost (income)		1.6	3.9	3.7
Pension Plans [Member] | U.S. Plans [Member]
Employer Contributions [Abstract]
Employer contributions		3.5	19.3	3.5
Pension Plans [Member] | Non-U.S Plans [Member]
Employer Contributions [Abstract]
Employer contributions		1.5	2.2	2.3
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.