v3.26.1
Commitments and Contingencies (Narratives) (Details)
 6 Months Ended
May 31, 2026
USD ($)
home
Nov. 30, 2025
USD ($)
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 $ 1,380,000,000 $ 1,370,000,000
Letters of credit outstanding 57,000,000.0 69,800,000
Cash deposits 71,347,000 80,886,000
Aggregate purchase price of land 1,664,089,000 2,063,294,000
LOC Facilities    
Loss Contingencies [Line Items]    
Letters of credit outstanding $ 55,400,000 68,200,000
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 $ 21,200,000 $ 22,300,000
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