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v3.25.1

Special Charges and Other, Net (Tables) | 12 Months Ended
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Mar. 31, 2025
Other Income and Expenses [Abstract] |
Summary of Activity in Special Charges and Other, Net | The following table summarizes activity included in the "Special charges (income) and other, net" caption on the Company's consolidated statements of operations (in millions):
| Fiscal Year Ended March 31, |  |  |  |
| 2025 |  | 2024 |  | 2023 |  |  |  |  |  |  |  |
Restructuring |  |  |  |  |  |  |  |  |  |  |  |  |
Employee separation costs | $ | 27.1 |  |  | $ | — |  |  | $ | — |  |  |  |  |  |  |  |  |
Contract exit costs | 45.7 |  |  | — |  |  | — |  |  |  |  |  |  |  |  |
Other restructuring costs | 3.7 |  |  | 6.2 |  |  | 16.8 |  |  |  |  |  |  |  |  |
Gain on sale of assets | — |  |  | — |  |  | (2.2) |  |  |  |  |  |  |  |  |
Legal contingencies | 1.0 |  |  | (1.3) |  |  | (19.4) |  |  |  |  |  |  |  |  |
Other | 1.7 |  |  | (17.2) |  |  | 0.8 |  |  |  |  |  |  |  |  |
Total | $ | 79.2 |  |  | $ | (12.3) |  |  | $ | (4.0) |  |  |  |  |  |  |  |  |
Schedule of Restructuring Reserve by Type of Cost | The following is a roll forward of accrued restructuring and other exit cost charges for the fiscal year ended March 31, 2025 (in millions):
| Restructuring
| Employee Separation Costs |  | Contract Exit Costs |  | Other |  | Total
Balance at March 31, 2024 | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
Charges | 27.1 |  |  | 45.7 |  |  | 3.7 |  |  | 76.5 |
Payments | (9.9) |  |  | — |  |  | (3.3) |  |  | (13.2) |
Non-cash - Other | (0.1) |  |  | (41.1) |  |  | — |  |  | (41.2) |
Balance at March 31, 2025 | $ | 17.1 |  |  | $ | 4.6 |  |  | $ | 0.4 |  |  | $ | 22.1 |
Current |  |  |  |  |  |  | $ | 19.0 |
Non-current |  |  |  |  |  |  | 3.1 |
Total |  |  |  |  |  |  | $ | 22.1 |

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- Definition Tabular disclosure of costs incurred for restructuring including, but not limited to, exit and disposal activities, remediation, implementation, integration, asset impairment, and charges against earnings from the write-down of assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 5.P.3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479823/420-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479823/420-10-S99-2 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482017/420-10-50-1 + Details
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- Definition Tabular disclosure of an entity's restructuring reserve that occurred during the period associated with the exit from or disposal of business activities or restructurings for each major type of cost. This element may also include a description of any reversal and other adjustment made during the period to the amount of an accrued liability for restructuring activities. This element may be used to encapsulate the roll forward presentations of an entity's restructuring reserve by type of cost and in total, and explanation of changes that occurred in the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -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 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482017/420-10-50-1 + Details
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