Segment and Geographic Information, Net sales by End Market (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2018
Segment Reporting Information [Abstract]
Net sales	$ 472.9	$ 473.4	$ 500.2	$ 529.0	$ 556.7	$ 541.0	$ 548.9	$ 566.1	$ 1,975.5	$ 2,212.7	$ 2,103.1
Commercial HVAC&R [Member]
Segment Reporting Information [Abstract]
Net sales									639.7	674.0	648.3
Automotive [Member]
Segment Reporting Information [Abstract]
Net sales									508.8	542.8	526.0
Commercial Vehicle [Member]
Segment Reporting Information [Abstract]
Net sales									323.7	387.6	381.7
Off-Highway [Member]
Segment Reporting Information [Abstract]
Net sales									253.9	314.1	271.2
Data Center Cooling [Member]
Segment Reporting Information [Abstract]
Net sales									150.2	187.0	137.6
Industrial Cooling [Member]
Segment Reporting Information [Abstract]
Net sales									43.5	47.8	67.6
Other [Member]
Segment Reporting Information [Abstract]
Net sales									$ 55.7	$ 59.4	$ 70.7