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v3.25.1

Restructuring Activities (Details) $ in Millions |  | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Oct. 31, 2023 item | Jun. 30, 2025 USD ($) | Mar. 31, 2025 USD ($) | Mar. 31, 2024 USD ($) item | Mar. 31, 2023 USD ($)
Restructuring and Repositioning Expenses [Abstract] |  |  |  |  |  |
Employee severance and related benefits |  |  |  | $ 24.3 | $ 12.9 | $ 3.5
Other restructuring and repositioning expenses |  |  |  | 3.9 | 2.1 | 1.5
Total |  |  |  | 28.2 | 15.0 | 5.0
Changes in Accrued Severance [Roll Forward] |  |  |  |  |  |
Beginning balance |  |  | $ 6.6 | 13.0 | 10.6 |
Additions |  |  |  | 18.3 | 12.9 |
Payments |  |  |  | (24.6) | (7.8) |
Disposition | [1] |  |  |  | (2.5) |
Effect of exchange rate changes |  |  |  | (0.1) | (0.2) |
Ending balance |  |  |  | 6.6 | $ 13.0 | 10.6
Non-cash severance expenses excluded from Fiscal 2025 |  |  |  | 6.0 |  |
Number of automotive businesses sold | item |  | 3 |  |  | 3 |
Severance expenses |  |  |  | $ 24.3 | $ 12.9 | $ 3.5
Performance Technologies |  |  |  |  |  |
Restructuring and Repositioning Expenses [Abstract] |  |  |  |  |  |
Employee severance and related benefits |  |  | 4.0 |  |  |
Changes in Accrued Severance [Roll Forward] |  |  |  |  |  |
Severance expenses |  |  | $ 4.0 |  |  |
[1] | The fiscal 2025 amount excludes $6.0 million of non-cash severance-related costs resulting from the accelerated vesting of certain stock-based compensation awards in connection with restructuring actions.

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- Definition Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482017/420-10-50-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4(b)(2)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479823/420-10-S99-2 + Details
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- Definition Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation. + 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 -URI https://asc.fasb.org//1943274/2147482740/230-10-45-28 + Details
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