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Commitments and Contingencies (Narratives) (Details)
$ in Thousands
6 Months Ended
May 31, 2022
USD ($)
executives
home
claim_filed
Nov. 30, 2021
USD ($)
Loss Contingencies [Line Items]    
Minimum warranty on electrical and other building systems (in years) 2 years  
Maximum warranty on electrical and other building systems (in years) 5 years  
Warranty for other components of the home (in years) 1 year  
Performance bonds $ 1,240,000 $ 1,110,000
Letters of credit outstanding $ 45,000 43,200
Warranty for other components of a home (in years) 1 year  
Cash deposits $ 73,841 74,509
Aggregate purchase price of land 1,863,846 1,859,851
Cost Method Investments, Original Cost $ 1,800  
Cost Method Investments, Number of Executives with Ownership Interests | executives 16  
Damages from Product Defects [Member]    
Loss Contingencies [Line Items]    
Structural warranty provided by the company (in years) 10 years  
Minimum number of affected homes for construction defect claims | home 2  
Warranty Obligations [Member]    
Loss Contingencies [Line Items]    
Structural warranty provided by the company (in years) 10 years  
Self Insurance [Member]    
Loss Contingencies [Line Items]    
Recoveries related to warranty and other claims $ 41,000 $ 57,800
Chapter 558 of the Florida Statutes [Member]    
Loss Contingencies [Line Items]    
Outstanding noticed claims | claim_filed 490