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Derivative Instruments, Gains (Losses) Recognized (Details) - USD ($) $ in Millions | 12 Months Ended
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Mar. 31, 2025 | Mar. 31, 2024 | Mar. 31, 2023
Designated |  |  |
Derivative Instruments [Abstract] |  |  |
Gain (loss) reclassified from AOCI | $ 0.1 | $ 1.0 | $ 0.3
Non-Designated Derivative |  |  |
Derivative Instruments [Abstract] |  |  |
Gain (loss) recognized | (2.4) | (1.9) | (3.1)
Other Comprehensive Income | Designated |  |  |
Derivative Instruments [Abstract] |  |  |
Gain (loss) recognized | (0.9) | 0.1 | 0.4
Commodity Derivatives | Other Comprehensive Income | Designated |  |  |
Derivative Instruments [Abstract] |  |  |
Gain (loss) recognized | 0.2 | (0.3) | (1.6)
Commodity Derivatives | Cost of Sales | Designated |  |  |
Derivative Instruments [Abstract] |  |  |
Gain (loss) reclassified from AOCI | 0.0 | (0.3) | (1.0)
Foreign Exchange Contracts | Cost of Sales | Designated |  |  |
Derivative Instruments [Abstract] |  |  |
Gain (loss) reclassified from AOCI | 0.0 |  | 0.7
Foreign Exchange Contracts | Cost of Sales | Other Comprehensive Income | Designated |  |  |
Derivative Instruments [Abstract] |  |  |
Gain (loss) recognized | (0.3) | 0.1 | 0.4
Foreign Exchange Contracts | Net Sales | Designated |  |  |
Derivative Instruments [Abstract] |  |  |
Gain (loss) reclassified from AOCI | 0.1 | 1.3 | 0.6
Foreign Exchange Contracts | Net Sales | Non-Designated Derivative |  |  |
Derivative Instruments [Abstract] |  |  |
Gain (loss) recognized | 0.0 | (0.9) | (0.5)
Foreign Exchange Contracts | Net Sales | Other Comprehensive Income | Designated |  |  |
Derivative Instruments [Abstract] |  |  |
Gain (loss) recognized | (0.8) | 0.3 | 1.6
Foreign Exchange Contracts | Other expense - net | Non-Designated Derivative |  |  |
Derivative Instruments [Abstract] |  |  |
Gain (loss) recognized | $ (2.4) | $ (1.0) | $ (2.6)

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- Definition Amount of increase (decrease) in the fair value of derivatives recognized in the income statement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4A -Subparagraph (b)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480434/815-10-50-4A + Details
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- Definition Amount, before tax, of reclassification of gain (loss) from accumulated other comprehensive income (AOCI) for derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 11 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482790/220-10-45-11 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 15 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482790/220-10-45-15 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section 50 -Paragraph 4C -Subparagraph (c) -SubTopic 10 -Topic 815 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480434/815-10-50-4C + Details
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