Derivative Instruments and Hedging Activities (Derivatives by Balance Sheet Location) (Details) - USD ($) $ in Millions	Dec. 31, 2024	Mar. 31, 2024
Derivatives, Fair Value [Line Items]
Derivative asset, current	$ 0.0	$ 35.6
Derivative asset, noncurrent	$ 0.7	$ 0.0
Derivative Asset, Statement of Financial Position [Extensible Enumeration]	Other current assets	Other current assets
Derivative Liability, Current, Statement of Financial Position [Extensible Enumeration]	Other accrued liabilities	Other accrued liabilities
Derivative Asset, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Other assets
Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Derivative asset, current	$ 1.9	$ 35.6
Derivative asset, noncurrent	0.7
Derivative liabilities, current	0.0	2.8
Designated as Hedging Instrument \| Forward exchange contracts
Derivatives, Fair Value [Line Items]
Derivative asset, current	1.9	0.0
Derivative asset, noncurrent	0.0
Derivative liabilities, current	0.0	2.8
Designated as Hedging Instrument \| Interest rate swaps
Derivatives, Fair Value [Line Items]
Derivative asset, current	0.0	35.6
Derivative asset, noncurrent	0.7
Derivative liabilities, current	$ 0.0	$ 0.0

Indicates line item in statement of financial position that includes derivative asset classified as noncurrent.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4A
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-4A

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- Definition

Indicates line item in statement of financial position that includes derivative asset.

+ References

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- Definition

Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled within one year or normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 210
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483466/210-20-50-3

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- Definition

Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled after one year or the normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.

+ References

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- Definition

Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled within one year or normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.

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- Definition

Indicates line item in statement of financial position that includes derivative liability classified as current.

+ References

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Details

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