Significant Components of Deferred Income Tax Liabilities and Assets (Detail) - USD ($) $ in Millions |
May 31, 2026 |
May 31, 2025 |
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| Deferred income tax liabilities | ||
| Indefinite and long-lived assets | $ (299.7) | $ (316.4) |
| Right of use asset | (4.1) | (4.3) |
| Prepaid expenses | (1.6) | (1.7) |
| Deferred Tax Liabilities, Gross | (305.4) | (322.4) |
| Deferred income tax assets | ||
| Interest expense not currently deductible | 30.4 | 25.7 |
| Research and experimentation capitalization | 9.5 | 9.7 |
| Stock options | 1.9 | 2.5 |
| Inventories and accounts receivable | 8.1 | 8.5 |
| Tax loss carryforwards | 5.5 | 6.6 |
| Lease liability | 4.5 | 4.4 |
| Accrued expenses and other | 8.5 | 3.3 |
| Tax Credits | 0.9 | |
| Deferred Tax Assets, Net of Valuation Allowance, Total | 69.3 | 60.7 |
| Valuation allowance on tax carryforwards | (5.6) | (1.4) |
| Net deferred income tax liabilities | (241.7) | (263.1) |
| Net deferred income tax assets (jurisdictional) - other non-current assets | 15.9 | 17.8 |
| Net deferred income tax liabilities (jurisdictional) | $ (257.6) | $ (280.9) |
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- Definition Deferred income tax liabilities, gross. No definition available.
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- Definition Deferred tax asset valuation allowance loss carry forwards. No definition available.
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- Definition Deferred Tax Assets Accrued Liabilities and Other No definition available.
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- Definition Deferred tax assets lease liability. No definition available.
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- Definition Deferred Tax Assets Receivables And Inventories No definition available.
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- Definition Deferred Tax Assets Stock Options No definition available.
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- Definition Deferred Tax Liabilities, Property, Plant and Equipment and Intangible Assets No definition available.
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- References No definition available.
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- References No definition available.
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- Definition Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, with jurisdictional netting. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of deferred tax liability attributable to taxable temporary differences. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible interest carryforward. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary difference from in-process research and development cost acquired in business combination or from joint venture formation or both. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount, before allocation of a valuation allowances, of deferred tax assets attributable to deductible tax credit carryforwards including, but not limited to, research, foreign, general business, alternative minimum tax, and other deductible tax credit carryforwards. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences without jurisdictional netting. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of deferred tax liability attributable to taxable temporary differences from leasing arrangements. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of deferred tax consequences attributable to taxable temporary differences derived from prepaid expenses. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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