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v3.25.1

Stock-Based Compensation, Restricted Stock (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions | 12 Months Ended
--- | ---
Mar. 31, 2025 | Mar. 31, 2024 | Mar. 31, 2023
Restricted Stock [Abstract] |  |  |
Stock-based compensation expense (benefit) | $ 26.4 | $ 10.8 | $ 6.6
Restricted Stock |  |  |
Restricted Stock [Abstract] |  |  |
Stock-based compensation expense (benefit) | 8.0 | 5.3 | 5.4
Fair value of awards vesting | 6.3 | $ 4.6 | 4.7
Unrecognized compensation costs | $ 6.0 |  |
Weighted average period recognized | 1 year 6 months |  |
Restricted Stock Activity [Roll Forward] |  |  |
Non-vested balance, beginning of year (in shares) | 0.5 |  |
Granted (in shares) | 0.1 |  |
Vested (in shares) | (0.3) |  |
Non-vested balance, end of year (in shares) | 0.3 | 0.5 |
Weighted Average Price [Rollforward] |  |  |
Non-vested balance, beginning of year (in dollars per share) | $ 21.08 |  |
Granted (in dollars per share) | 111.02 |  |
Vested (in dollars per share) | 19.02 |  |
Forfeited (in dollars per share) | 35.71 |  |
Non-vested balance, end of year (in dollars per share) | $ 42.90 | $ 21.08 |
Restricted Stock | Awards Granted in Fiscal 2025 |  |  |
Restricted Stock [Abstract] |  |  |
Award vesting period | 3 years |  |
Restricted Stock | Awards Granted in Fiscal 2025 | Tranche One |  |  |
Restricted Stock [Abstract] |  |  |
Annual vesting percentage | 33.00% |  |
Restricted Stock | Awards Granted in Fiscal 2025 | Tranche Two |  |  |
Restricted Stock [Abstract] |  |  |
Annual vesting percentage | 33.00% |  |
Restricted Stock | Awards Granted in Fiscal 2025 | Tranche Three |  |  |
Restricted Stock [Abstract] |  |  |
Annual vesting percentage | 34.00% |  |
Performance Stock Awards |  |  |
Restricted Stock [Abstract] |  |  |
Stock-based compensation expense (benefit) | $ 16.7 | $ 4.5 | $ 0.0
Unrecognized compensation costs | $ 21.6 |  |
Weighted average period recognized | 1 year 8 months 12 days |  |
Award vesting period | 3 years |  |
Performance Stock Awards | Awards Granted in Fiscal 2025 |  |  |
Performance-Based Shares [Abstract] |  |  |
Performance period | 3 years |  |
Performance Stock Awards | Awards Granted in Fiscal 2024 |  |  |
Performance-Based Shares [Abstract] |  |  |
Performance period | 3 years |  |
Performance Stock Awards | Awards Granted in Fiscal 2023 |  |  |
Performance-Based Shares [Abstract] |  |  |
Period of time to average cash flow return on invested capital | 3 years |  |
Period of time to average EBITDA growth | 3 years |  |

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- Definition The period of time performance is measured for cash awards, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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- Definition Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(03) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(01) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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- Definition The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(01) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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- Definition The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(i) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(ii) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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- Definition Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(i) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(ii) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(02) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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