Segment and Geographic Information, Net Sales, Gross Profit, and Operating Income by Segment (Details) $ in Millions		12 Months Ended
		Mar. 31, 2023 USD ($) Segment	Mar. 31, 2022 USD ($)	Mar. 31, 2021 USD ($)
Segment Information [Abstract]
Number of operating segments | Segment		2
Net sales		$ 2,297.9	$ 2,050.1	$ 1,808.4
Gross profit		$ 389.4	$ 309.3	$ 293.4
Gross profit (% of sales)		16.90%	15.10%	16.20%
Operating income		$ 150.4	$ 119.2	$ (97.7)
Climate Solutions [Member]
Segment Information [Abstract]
Net sales		1,011.5	910.1	731.1
Performance Technologies [Member]
Segment Information [Abstract]
Net sales		1,286.4	1,140.0	1,077.3
Operating Segments [Member]
Segment Information [Abstract]
Net sales		2,328.1	2,082.9	1,840.0
Gross profit		$ 389.7	$ 308.5	$ 293.7
Gross profit (% of sales)		16.70%	14.80%	16.00%
Operating income		$ 189.7	$ 150.8	$ (59.2)
Operating Segments [Member] | Climate Solutions [Member]
Segment Information [Abstract]
Net sales		1,011.9	910.5	731.2
Gross profit		$ 223.6	$ 166.3	$ 136.6
Gross profit (% of sales)		22.10%	18.30%	18.70%
Operating income		$ 124.1	$ 73.4	$ 49.9
Operating Segments [Member] | Performance Technologies [Member]
Segment Information [Abstract]
Net sales		1,316.2	1,172.4	1,108.8
Gross profit		$ 166.1	$ 142.2	$ 157.1
Gross profit (% of sales)		12.60%	12.10%	14.20%
Operating income		$ 65.6	$ 77.4	$ (109.1)
Inter-segment Sales [Member]
Segment Information [Abstract]
Net sales		(30.2)	(32.8)	(31.6)
Inter-segment Sales [Member] | Climate Solutions [Member]
Segment Information [Abstract]
Net sales		(0.4)	(0.4)	(0.1)
Inter-segment Sales [Member] | Performance Technologies [Member]
Segment Information [Abstract]
Net sales		(29.8)	(32.4)	(31.5)
Corporate and Eliminations [Member]
Segment Information [Abstract]
Gross profit		$ (0.3)	$ 0.8	$ (0.3)
Gross profit (% of sales)		0.00%	0.00%	0.00%
Operating income	[1]	$ (39.3)	$ (31.6)	$ (38.5)

[1] The operating loss for Corporate includes certain research and development costs, legal, finance and other general corporate and central services expenses, and other costs that are either not directly attributable to an operating segment or not considered when management evaluates segment performance.