Restructuring and Other (Income) Expense, Net - Schedule of Progression of Liabilities Associated with Restructuring Activities, Combined with Reconciliation to Restructuring and Other (Income) Expense, Net (Detail) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
May 31, 2026 |
May 31, 2025 |
May 31, 2024 |
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| Restructuring Cost and Reserve [Line Items] | |||
| Net gain on sale of assets | $ (7.0) | ||
| Restructuring and other (income) expense, net | (7.0) | $ 2.6 | $ 0.0 |
| Early Retirement and Severance | |||
| Restructuring Cost and Reserve [Line Items] | |||
| Beginning Balance | 2.1 | 0.0 | |
| Expense (Income) | $ 0.0 | $ 2.6 | |
| Restructuring Charges, Statement of Income or Comprehensive Income [Extensible Enumeration] | Restructuring and other (income) expense, net | Restructuring and other (income) expense, net | |
| Payments | $ (1.7) | $ (0.5) | |
| Adjustments | 0.0 | 0.0 | |
| Ending Balance | $ 0.4 | $ 2.1 | $ 0.0 |
| X | ||||||||||
- Definition Amount of gain (loss) on sale or disposal of property, plant and equipment assets, including oil and gas property and timber property. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Indicates line item in statement of income or comprehensive income that includes restructuring charges. Reference 1: http://www.xbrl.org/2003/role/recommendedDisclosureRef
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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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of expense (reversal of expense) which increases (decreases) the restructuring reserve from an adjustment to a previously accrued restructuring liability. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of net expenses (income) associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation. No definition available.
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- Details
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