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Income Taxes (Narrative) (Details) - USD ($) | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Aug. 31, 2023 | Aug. 31, 2022 | Aug. 31, 2023 | Aug. 31, 2022 | Nov. 30, 2022
Income Tax Disclosure [Abstract] |  |  |  |  |
Income tax credits and adjustments | $ 6,900,000 | $ 15,300,000 | $ 19,400,000 | $ 16,100,000 |
Tax benefits from share-based compensation | 1,900,000 |  | 5,700,000 | 2,200,000 |
Nondeductible expense | 2,600,000 | $ 2,900,000 | 9,200,000 | $ 6,800,000 |
Deferred tax assets | 163,100,000 |  | 163,100,000 |  | $ 178,000,000
Deferred tax assets, valuation allowance | $ 17,100,000 |  | 17,100,000 |  | $ 17,100,000
Adjustments to deferred tax valuation allowance |  |  | $ 0 |  |

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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-2 + Details
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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. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-12 + Details
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