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v3.23.4

Summary of Significant Accounting Policies (Narrative) (Details) - USD ($) $ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Nov. 30, 2023 | Nov. 30, 2022 | Nov. 30, 2021 | Dec. 01, 2020 | Nov. 30, 2020
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Cash equivalents | $ 508,200 | $ 15,800 |  |  |
Depreciation expense | 36,400 | 32,300 | $ 28,600 |  |
Advertising costs incurred | 34,200 | 37,100 | 28,000 |  |
Legal Fees | 10,400 | 10,600 | 11,500 |  |
Stockholder's equity | 3,810,140 | 3,660,795 | 3,019,475 |  | $ 2,665,769
Retained Earnings |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Stockholder's equity | $ 3,676,924 | $ 3,143,578 | $ 2,379,364 |  | 1,868,896
Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Stockholder's equity |  |  |  |  | (226)
Cumulative Effect, Period of Adoption, Adjustment | Retained Earnings |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Stockholder's equity |  |  |  | $ (200) | $ (226)
Product Concentration Risk | Revenue Benchmark | Homebuilding |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Concentration risk (in percent) | 99.50% | 99.70% | 99.70% |  |
Minimum | Computer Hardware and Software |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Estimated useful life for depreciation of property and equipment | 2 years |  |  |  |
Minimum | Model Furnishings and Sales Office Improvements |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Estimated useful life for depreciation of property and equipment | 2 years |  |  |  |
Minimum | Furniture and Fixtures |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Estimated useful life for depreciation of property and equipment | 3 years |  |  |  |
Maximum | Computer Hardware and Software |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Estimated useful life for depreciation of property and equipment | 15 years |  |  |  |
Maximum | Model Furnishings and Sales Office Improvements |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Estimated useful life for depreciation of property and equipment | 3 years |  |  |  |
Maximum | Furniture and Fixtures |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Estimated useful life for depreciation of property and equipment | 10 years |  |  |  |

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