Goodwill and Intangible Assets (Details) $ in Millions			3 Months Ended			9 Months Ended
		Sep. 19, 2023 Facility	Dec. 31, 2023 USD ($)	Sep. 30, 2023 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Mar. 31, 2023 USD ($)
Goodwill [Roll Forward]
Goodwill, beginning balance						$ 165.6
Acquisition	[1]					0.3
Effect of exchange rate changes						0.8
Goodwill, ending balance			$ 166.7			166.7
Number of coatings facilities sold | Facility		2
Intangible Assets [Abstract]
Gross carrying value			136.8			136.8		$ 133.0
Accumulated amortization			(58.4)			(58.4)		(51.9)
Net intangible assets			78.4			78.4		81.1
Amortization expense			2.1		$ 2.0	6.1	$ 6.0
Estimated Future Amortization Expense [Abstract]
Remainder of fiscal 2024			2.0			2.0
2025			8.0			8.0
2026			8.0			8.0
2027			8.0			8.0
2028			8.0			8.0
2029			7.0			7.0
Climate Solutions [Member]
Goodwill [Roll Forward]
Goodwill, beginning balance						105.7
Acquisition				$ 1.0		1.0
Effect of exchange rate changes						0.7
Goodwill, ending balance			107.4			107.4
Performance Technologies [Member]
Goodwill [Roll Forward]
Goodwill, beginning balance						59.9
Disposition				(0.7)		(0.7)
Effect of exchange rate changes						0.1
Goodwill, ending balance			59.3			59.3
Customer Relationships [Member]
Intangible Assets [Abstract]
Gross carrying value			63.3			63.3		60.3
Accumulated amortization			(26.4)			(26.4)		(23.4)
Net intangible assets			36.9			36.9		36.9
Trade Names [Member]
Intangible Assets [Abstract]
Gross carrying value			50.3			50.3		50.1
Accumulated amortization			(17.8)			(17.8)		(15.9)
Net intangible assets			32.5			32.5		34.2
Acquired Technology [Member]
Intangible Assets [Abstract]
Gross carrying value			23.2			23.2		22.6
Accumulated amortization			(14.2)			(14.2)		(12.6)
Net intangible assets			$ 9.0			$ 9.0		$ 10.0
Customer Relationships and Acquired Technology [Member]
Intangible Assets [Abstract]
Intangible assets acquired				$ 2.9

[1] During the second quarter of fiscal 2024, the Company recorded $1.0 million of goodwill in connection with its acquisition of Napps. In addition, the Company wrote-off $0.7 million of goodwill in connection with the sale of two coatings facilities. See Note 2 for additional information.