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Segment and Geographic Information, Capital Expenditures and Depreciation and Amortization Expense by Segment (Details) - USD ($) $ in Millions	12 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Mar. 31, 2023
Segment and Geographic Information [Abstract]
Capital expenditures	$ 84.0	$ 87.7	$ 50.7
Depreciation and amortization	77.7	56.1	54.5
Operating Segments | Climate Solutions
Segment and Geographic Information [Abstract]
Capital expenditures	53.3	52.7	26.3
Depreciation and amortization	48.3	26.5	24.7
Operating Segments | Performance Technologies
Segment and Geographic Information [Abstract]
Capital expenditures	30.2	34.3	23.1
Depreciation and amortization	28.7	28.7	28.8
Corporate [Member]
Segment and Geographic Information [Abstract]
Capital expenditures	0.5	0.7	1.3
Depreciation and amortization	$ 0.7	$ 0.9	$ 1.0

X

- Definition

The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (b)
-SubTopic 10
-Topic 230
-Publisher FASB
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
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-Name Accounting Standards Codification
-Section 50
-Paragraph 22
-Subparagraph (e)
-Publisher FASB
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- Definition

Amount of expenditure for addition to long-lived assets included in determination of segment assets by chief operating decision maker (CODM) or otherwise regularly provided to CODM. Excludes expenditure for addition to financial instrument, long-term customer relationship of financial institution, mortgage and other servicing rights, deferred policy acquisition cost, and deferred tax assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 25
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-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482810/280-10-50-25

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 48
-Publisher FASB
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- References

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