Pensions (Details) - USD ($) $ in Millions		3 Months Ended
		Jun. 30, 2021	Jun. 30, 2020
Net Periodic Benefit Cost [Abstract]
Net periodic benefit cost	[1]	$ 0.2	$ 0.8
Pension [Member]
Net Periodic Benefit Cost [Abstract]
Service cost		0.1	0.1
Interest cost		1.8	2.0
Expected return on plan assets		(3.2)	(2.9)
Amortization of unrecognized net loss		1.7	1.7
Net periodic benefit cost		0.4	$ 0.9
Pension [Member] | U.S. Plans [Member]
Employer Contributions [Abstract]
Employer contributions		2.8
Employer contributions expected to be contributed during remainder of fiscal 2022		$ 2.0

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