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Income Taxes - Narrative (Details) - USD ($) | 3 Months Ended | 10 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | ---
Feb. 28, 2021 | May 31, 2020 | Feb. 29, 2020 | Dec. 31, 2020 | Nov. 30, 2022 | Nov. 30, 2021 | Nov. 30, 2020 | Aug. 31, 2020 | Nov. 30, 2019
Income Tax Contingency [Line Items] |  |  |  |  |  |  |  |  |
Effective income tax rate (in percent) |  |  |  |  | 23.80% | 18.80% | 18.60% |  |
Income tax credits and adjustments |  |  |  |  | $ 22,600,000 | $ 49,500,000 | $ 18,700,000 |  |
Tax benefits from share-based compensation |  |  |  |  | 1,800,000 | 7,100,000 | 12,000,000 |  |
Nondeductible expense |  |  |  |  | 9,700,000 | 11,300,000 | 5,700,000 |  |
Income tax receivable due to AMT tax credit |  | $ 39,300,000 | $ 43,300,000 |  |  |  |  |  |
AMT credit refund |  |  |  |  |  |  |  | $ 43,300,000 |
CARES Act employee retention credit | $ 4,300,000 |  |  |  |  |  |  |  |
Deferred tax asset, net |  |  |  |  | (178,000,000) | (194,800,000) |  |  |
Valuation allowance |  |  |  |  | 17,100,000 | 17,400,000 |  |  |
Decrease in valuation allowance |  |  |  |  | $ 300,000 |  |  |  |
Period for carry forward of tax benefits related to deferred tax assets |  |  |  |  | 20 years |  |  |  |
Unrecognized tax benefits |  |  |  |  | $ 975,000 | 930,000 | 0 |  | $ 0
Total accrued interest and penalties related to unrecognized income tax benefits (less than $.1 at November 30, 2022) |  |  |  |  | 100,000 | 0 |  |  |
State and Local Jurisdiction |  |  |  |  |  |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |  |  |  |  |  |
Operating loss carryforwards, expired |  |  |  |  | 100,000 | $ 200,000 | $ 400,000 |  |
State and Local Jurisdiction | Expiration between 2023 and 2042 |  |  |  |  |  |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |  |  |  |  |  |
Operating loss carryforwards |  |  |  |  | 60,700,000 |  |  |  |
Tax Credit Carryforward, Expiring in 2038 |  |  |  |  |  |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |  |  |  |  |  |
Future income from continuing operations before income taxes |  |  |  |  | $ 670,000,000 |  |  |  |
Maximum |  |  |  |  |  |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |  |  |  |  |  |
Refundable tax credit allowed per employee CARES act |  |  |  | $ 5,000 |  |  |  |  |

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