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Commitments and Contingencies (Narrative) (Details) $ in Thousands | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Nov. 30, 2021 USD ($) claim_filed home | Jan. 10, 2022 USD ($) executive | Nov. 30, 2020 USD ($) | Nov. 30, 2016 USD ($)
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 | $ 1,110,000 |  | $ 897,600 |
Letters of credit outstanding | 43,200 |  | 42,100 |
Cash Deposits | 74,509 |  | 54,634 |
Aggregate Purchase Price | $ 1,859,851 |  | 1,418,429 |
Subsequent Event |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Cost method investments |  | $ 1,800 |  |
Number of executives with ownership interests in investee companies | executive |  | 16 |  |
Minimum |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Warranty on electrical and other building systems (in years) | 2 years |  |  |
Maximum |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Warranty on electrical and other building systems (in years) | 5 years |  |  |
LOC Facilities |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Letters of credit outstanding | $ 34,600 |  | 29,700 |
Expiration period | 1 year |  |  |
Damages from Product Defects |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Minimum number of affected homes for construction defect claims | home | 2 |  |  |
Self Insurance |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Reclassification of warranty recoveries to receivables | $ 57,800 |  | $ 60,000 |
Chapter 558 of the Florida Statutes |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Number of new claims filed | claim_filed | 543 |  |  |
Northern California Townhome Community |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Estimate of possible loss |  |  |  | $ 25,000
Northern California Townhome Community | Minimum |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Range of possible loss could exceed amount accrued | $ 0 |  |  |
Northern California Townhome Community | Maximum |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Range of possible loss could exceed amount accrued | $ 3,000 |  |  |
Warranty Obligations |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Structural warranty provided by company (in years) | 10 years |  |  |

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