Segment and Geographic Information, Capital Expenditures and Depreciation and Amortization Expense by Segment (Details) - USD ($) $ in Millions		12 Months Ended
		Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2021
Segment and Geographic Information [Abstract]
Capital expenditures		$ 50.7	$ 40.3	$ 32.7
Depreciation and amortization		54.5	54.8	68.6
Operating Segments [Member] | Climate Solutions [Member]
Segment and Geographic Information [Abstract]
Capital expenditures		24.2	9.9	7.2
Depreciation and amortization		21.7	23.6	24.9
Operating Segments [Member] | Performance Technologies [Member]
Segment and Geographic Information [Abstract]
Capital expenditures		25.2	29.2	25.0
Depreciation and amortization	[1]	31.8	29.9	42.1
Corporate [Member]
Segment and Geographic Information [Abstract]
Capital expenditures		1.3	1.2	0.5
Depreciation and amortization		$ 1.0	$ 1.3	$ 1.6

[1] During fiscal 2021, upon classifying the liquid- and air-cooled automotive businesses as held for sale, the Company ceased depreciating the long-lived assets within the disposal groups.  In fiscal 2022, the Company resumed depreciating the long-lived assets within the liquid-cooled automotive business when it no longer met the requirements to be classified as held for sale.  See Note 2 for additional information.