Commitments and Contingencies (Narratives) (Details) $ in Thousands	9 Months Ended
	Aug. 31, 2022 USD ($) claim_filed home	Nov. 30, 2021 USD ($)
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	$ 1,260,000	$ 1,110,000
Letters of credit outstanding	$ 43,100	43,200
Warranty for other components of a home (in years)	1 year
Cash deposits	$ 59,275	74,509
Aggregate purchase price of land	$ 1,533,650	1,859,851
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	$ 38,700	$ 57,800
Chapter 558 of the Florida Statutes [Member]
Loss Contingencies [Line Items]
Outstanding noticed claims | claim_filed	512