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Income Taxes (Narrative) (Details) - USD ($) | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
May 31, 2025 | May 31, 2024 | May 31, 2025 | May 31, 2024 | Nov. 30, 2024
Income Tax Disclosure [Abstract] |  |  |  |  |
Income tax credits and adjustments | $ 3,100,000 | $ 4,800,000 | $ 4,800,000 | $ 8,900,000 |
Nondeductible expense | 2,800,000 | 3,000,000.0 | 5,200,000 | 5,500,000 |
Tax benefits from share-based compensation |  | $ 400,000 | 5,400,000 | $ 6,500,000 |
Deferred tax assets | 119,200,000 |  | 119,200,000 |  | $ 119,200,000
Deferred tax assets, valuation allowance | $ 16,800,000 |  | 16,800,000 |  | $ 16,800,000
Adjustments to deferred tax valuation allowance |  |  | $ 0 |  |

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