Segment Information (Details) - USD ($) $ in Millions	3 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
Segment Information [Abstract]
Net sales	$ 682.8	$ 661.5
Cost of sales	517.4	498.9
Gross profit	165.4	162.6
Selling, general and administrative expenses	84.9	82.8
Restructuring expenses	4.8	5.4
Operating income	75.7	74.4
Climate Solutions
Segment Information [Abstract]
Net sales	397.3	357.2
Performance Technologies
Segment Information [Abstract]
Net sales	285.5	304.3
Operating segments
Segment Information [Abstract]
Net sales	682.9	666.3
Cost of sales	(0.7)	(3.1)
Operating segments | Climate Solutions
Segment Information [Abstract]
Net sales	397.4	357.3
Cost of sales	284.5	256.5
Gross profit	112.9	100.8
Selling, general and administrative expenses	44.7	40.8
Restructuring expenses	1.3	0.2
Operating income	66.9	59.8
Operating segments | Performance Technologies
Segment Information [Abstract]
Net sales	285.5	309.0
Cost of sales	233.6	245.5
Gross profit	51.9	63.5
Selling, general and administrative expenses	21.9	26.8
Restructuring expenses	3.5	5.2
Operating income	26.5	31.5
Inter-segment Sales
Segment Information [Abstract]
Net sales	0.1	4.8
Inter-segment Sales | Climate Solutions
Segment Information [Abstract]
Net sales	0.1	0.1
Inter-segment Sales | Performance Technologies
Segment Information [Abstract]
Net sales		4.7
Corporate and eliminations
Segment Information [Abstract]
Net sales	(0.1)	(4.8)
Gross profit	0.6	(1.7)
Selling, general and administrative expenses	18.3	15.2
Operating income	$ (17.7)	$ (16.9)