Income Taxes (Narrative) (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | |||
|---|---|---|---|---|---|
Aug. 31, 2026 |
Aug. 31, 2025 |
Aug. 31, 2026 |
Aug. 31, 2025 |
Nov. 30, 2025 |
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| Income Tax Disclosure [Abstract] | |||||
| Income tax credits and adjustments | $ 3.8 | $ 5.3 | $ 5.3 | $ 10.1 | |
| Tax benefits from share-based compensation | 3.4 | 0.2 | 7.2 | 5.6 | |
| Nondeductible expense | 3.3 | $ 3.6 | 6.0 | $ 8.8 | |
| Deferred tax assets | 104.2 | 104.2 | $ 104.2 | ||
| Deferred tax assets, valuation allowance | $ 15.5 | $ 15.5 | $ 15.5 | ||
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- Definition Deferred Tax Assets Liabilities Gross No definition available.
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- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of tax benefit for recognition of expense of award under share-based payment arrangement. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition A credit or adjustment for government or taxing authority authorized decrease in taxes owed as a result of meeting certain tax policy conditions. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- References No definition available.
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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to nondeductible expenses. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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