Commitments and Contingencies (Narrative) (Details)	12 Months Ended
	Nov. 30, 2023 USD ($) home claim	Nov. 30, 2022 USD ($)
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	$ 1,320,000,000	$ 1,270,000,000
Letters of credit outstanding	19,100,000	43,000,000
Cash Deposits	45,018,000	51,850,000
Aggregate Purchase Price	1,268,532,000	1,164,932,000
LOC Facilities
Loss Contingencies [Line Items]
Letters of credit outstanding	$ 12,500,000	36,400,000
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	$ 31,100,000	$ 32,700,000
Chapter 558 of the Florida Statutes
Loss Contingencies [Line Items]
Number of new claims filed | claim	484
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