Goodwill (Details) - USD ($) $ in Millions		12 Months Ended
	Jul. 01, 2021	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2020
Goodwill [Roll Forward]
Beginning balance		$ 170.7	$ 166.1
Effect of exchange rate changes		(2.6)	4.6
Ending balance		168.1	170.7	$ 166.1
BHVAC [Member]
Goodwill [Roll Forward]
Goodwill reassigned	$ 32.5
Beginning balance		47.0	44.7
Effect of exchange rate changes		(1.6)	2.3
Ending balance		45.4	47.0	44.7
CIS [Member]
Goodwill [Roll Forward]
Goodwill reassigned	$ (32.5)
Beginning balance		123.7	121.4
Effect of exchange rate changes		(1.0)	2.3
Ending balance		122.7	123.7	121.4
Automotive [Member]
Goodwill [Roll Forward]
Impairment charge				$ 0.5
Accumulated impairment losses		9.2	9.2
HDE [Member]
Goodwill [Roll Forward]
Accumulated impairment losses		$ 31.6	$ 31.6