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v3.25.2

Share-Based Compensation - Schedule of Share-based Compensation Expense (Details) - USD ($) $ in Millions | 12 Months Ended
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Mar. 31, 2025 | Mar. 31, 2024 | Mar. 31, 2023
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |
Compensation Expense: | $ 17.5 | $ 23.2 | $ 25.7
Impact of accelerated vesting on equity awards | 0.5 | 1.4 | 0.0
Share-Based Compensation Expense, Including Accelerated Compensation Cost | 18.0 | 24.6 | 25.7
Tax impact | (4.3) | (5.9) | (6.2)
Increase in net loss | 13.7 | 18.7 | 19.5
Discontinued Operations |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |
Share-Based Compensation Expense, Including Accelerated Compensation Cost | 0.3 | 1.8 | 3.0
Operating Segments |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |
Compensation Expense: | 16.8 | 17.6 | 16.0
Segment Reporting, Reconciling Item, Corporate Nonsegment |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |
Compensation Expense: | 0.7 | 5.6 | 9.7
Stock options | Operating Segments |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |
Compensation Expense: | 0.0 | 0.0 | 0.4
Restricted share units | Operating Segments |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |
Compensation Expense: | 16.8 | 17.6 | 15.7
Share appreciation rights | Operating Segments |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |
Compensation Expense: | $ 0.0 | $ 0.0 | $ (0.1)

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- Definition Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors, certain consultants qualifying for treatment as employees, including the impact of compensation cost recognized as a result of an occurrence of an event that accelerates its recognition. + References No definition available. + Details
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- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 14.F) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479830/718-10-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Amount, after tax, of expense for award under share-based payment arrangement. + References No definition available. + Details
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- Definition Amount of tax benefit for recognition of expense of award under share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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