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Financial Instruments and Fair Value Disclosure (Fair Value Assets Measured On Nonrecurring Basis) (Details) - Homebuilding - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Nov. 30, 2023 | Nov. 30, 2022 | Nov. 30, 2021
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Inventory write-down | $ 19,900 | $ 47,900 |
Fair Value, Measurements, Nonrecurring | Level 3 |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Finished homes and construction in progress, carrying value | 458,569 | 347,300 | $ 32,364
Finished homes and construction in progress, fair value | 396,795 | 295,663 | 16,342
Finished homes and construction in progress, total gains and losses | (61,774) | (51,637) | (16,022)
Land and land under development, carrying value | 72,061 | 183,737 | 35,775
Land and land under development, fair value | 49,539 | 126,135 | 26,841
Land and land under development, total gains (losses) | (22,522) | (57,602) | (8,934)
Other assets, carrying value | 0 | 0 | 12,764
Other assets, fair value | 0 | 0 | 12,024
Other assets, total gains (loss) | 0 | 0 | (740)
Fair Value, Measurements, Nonrecurring | Level 3 | Equity Method Investments |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Assets, Fair Value Adjustment | (41,042) | (1,454) | 0
Fair Value, Measurements, Nonrecurring | Level 3 | Carrying Amount |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Equity Method Investments, Fair Value Disclosure | 78,834 | 1,454 | 0
Fair Value, Measurements, Nonrecurring | Level 3 | Fair Value |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Equity Method Investments, Fair Value Disclosure | $ 37,792 | $ 0 | $ 0

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