Description of Business, The Separation, and Basis of Presentation - Summary of Reconciliation of Cash and Cash Equivalents and Restricted Cash (Detail) - USD ($) $ in Millions |
May 31, 2026 |
May 31, 2025 |
May 31, 2024 |
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| Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation [Abstract] | |||
| Cash and cash equivalents, beginning of year | $ 38.0 | $ 40.2 | $ 32.7 |
| Restricted cash, beginning of year | 54.9 | 0.0 | 0.0 |
| Cash, cash equivalents, and restricted cash at beginning of year | 92.9 | 40.2 | 32.7 |
| Cash and cash equivalents, end of year | 84.6 | 38.0 | 40.2 |
| Restricted cash, end of year | 0.0 | 54.9 | 0.0 |
| Cash, cash equivalents, and restricted cash at end of year | $ 84.6 | $ 92.9 | $ 40.2 |
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- Definition Amount of cash and cash equivalent. Cash includes, but is not limited to, currency on hand, demand deposit with financial institution, and account with general characteristic of demand deposit. Cash equivalent includes, but is not limited to, short-term, highly liquid investment that is both readily convertible to known amount of cash and so near maturity that it presents insignificant risk of change in value because of change in interest rate. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of cash and cash equivalent, and cash and cash equivalent restricted to withdrawal or usage; attributable to continuing operation. Cash includes, but is not limited to, currency on hand, demand deposit with financial institution, and account with general characteristic of demand deposit. Cash equivalent includes, but is not limited to, short-term, highly liquid investment that is both readily convertible to known amount of cash and so near maturity that it presents insignificant risk of change in value because of change in interest rate. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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- Definition Amount of cash and cash equivalent restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposit with financial institution, and account with general characteristic of demand deposit. Cash equivalent includes, but is not limited to, short-term, highly liquid investment that is both readily convertible to known amount of cash and so near maturity that it presents insignificant risk of change in value because of change in interest rate. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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