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Commitments and Contingencies (Narrative) (Details) | 12 Months Ended |
--- | --- | ---
Nov. 30, 2024 USD ($) home claim | Nov. 30, 2023 USD ($)
Loss Contingencies [Line Items] |  |
Structural warranty provided by company (in years) | 10 years |
Warranty for other components of home (in years) | 1 year |
Performance bonds | $ 1,330,000,000 | $ 1,320,000,000
Letters of credit outstanding | 81,600,000 | 19,100,000
Cash deposits | 81,939,000 | 45,018,000
Aggregate purchase price | 2,591,130,000 | 1,268,532,000
LOC Facilities |  |
Loss Contingencies [Line Items] |  |
Letters of credit outstanding | $ 73,300,000 | 12,500,000
Expiration period | 1 year |
Damages from Product Defects |  |
Loss Contingencies [Line Items] |  |
Minimum number of affected homes for construction defect claims | home | 2 |
Warranty Obligations |  |
Loss Contingencies [Line Items] |  |
Structural warranty provided by company (in years) | 10 years |
Self Insurance |  |
Loss Contingencies [Line Items] |  |
Reclassification of warranty recoveries to receivables | $ 22,600,000 | $ 31,100,000
Chapter 558 of the Florida Statutes |  |
Loss Contingencies [Line Items] |  |
Number of new claims filed | claim | 414 |
Minimum |  |
Loss Contingencies [Line Items] |  |
Warranty on electrical and other building systems (in years) | 2 years |
Insurance coverage amount for construction | $ 50,000 |
Maximum |  |
Loss Contingencies [Line Items] |  |
Warranty on electrical and other building systems (in years) | 5 years |
Insurance coverage amount for construction | $ 250,000 |

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