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Income Taxes - (Narrative) (Details) - USD ($) | 12 Months Ended |
--- | --- | ---
Nov. 30, 2023 | Nov. 30, 2022 | Nov. 30, 2021 | Nov. 30, 2020
Income Tax Contingency [Line Items] |  |  |  |
Effective income tax rate (in percent) | 23.50% | 23.80% | 18.80% |
Income tax credits and adjustments | $ 25,200,000 | $ 22,600,000 | $ 49,500,000 |
Tax benefits from share-based compensation | 5,500,000 | 1,800,000 | 7,100,000 |
Nondeductible expense | 12,200,000 | 9,700,000 | 11,300,000 |
Deferred tax assets | 186,475,000 | 238,356,000 |  |
Deferred tax assets | 136,400,000 | 178,000,000 |  |
Valuation allowance | 16,900,000 | 17,100,000 |  |
Decrease in valuation allowance | $ 200,000 |  |  |
Period for carry forward of tax benefits related to deferred tax assets | 20 years |  |  |
Unrecognized tax benefits | $ 2,376,000 | 975,000 | 930,000 | $ 0
Total accrued interest and penalties related to unrecognized income tax benefits (less than $.1 at November 30, 2022) | 100,000 | 100,000 |  |
State and Local Jurisdiction |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |
Operating loss carryforwards, expired | 0 | $ 100,000 | $ 200,000 |
State and Local Jurisdiction | Expiration between 2025 and 2043 |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |
Operating loss carryforwards | 33,800,000 |  |  |
Tax Credit Carryforward, Expiring in 2038 |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |
Future income from continuing operations before income taxes | $ 496,000,000 |  |  |

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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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