Commitments and Contingencies (Narratives) (Details) $ in Thousands	9 Months Ended
	Aug. 31, 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	$ 1,270,000
Letters of credit outstanding	19,700	43,000
Cash deposits	39,234	51,850
Aggregate purchase price of land	1,203,658	1,164,932
LOC Facilities
Loss Contingencies [Line Items]
Letters of credit outstanding	$ 13,000	36,400
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	$ 31,600	$ 32,700
Chapter 558 of the Florida Statutes
Loss Contingencies [Line Items]
Number of new claims filed | claim	485
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