Notes Payable (Schedule Notes Payable) (Details) - USD ($) $ in Thousands	Aug. 31, 2022	Jun. 22, 2022	Nov. 30, 2021	Aug. 31, 2021
Debt Instrument [Line Items]
Mortgages and notes payable	$ 2,031,192		$ 1,685,027
Mortgages and land contracts due to land sellers and other loans
Debt Instrument [Line Items]
Mortgages and notes payable	$ 4,927		5,327
Senior Notes [Member] | 7.50% Senior notes due September 15, 2022 [Member]
Debt Instrument [Line Items]
Senior notes, rate	7.50%
Mortgages and notes payable	$ 0		349,471
Senior Notes [Member] | 7.625% Senior notes due May 15, 2023 [Member]
Debt Instrument [Line Items]
Senior notes, rate	7.625%
Mortgages and notes payable	$ 350,401		350,788
Senior Notes [Member] | 6.875% Senior notes due June 15, 2027 [Member]
Debt Instrument [Line Items]
Senior notes, rate	6.875%
Mortgages and notes payable	$ 297,484		297,161
Senior Notes [Member] | 4.80% Senior notes due November 15, 2029
Debt Instrument [Line Items]
Senior notes, rate	4.80%
Mortgages and notes payable	$ 297,147		296,905
Senior Notes [Member] | 7.25% Senior notes due July 15, 2030
Debt Instrument [Line Items]
Senior notes, rate	7.25%	7.25%
Mortgages and notes payable	$ 345,557		0
Senior Notes [Member] | 4.00% Senior notes due June 15, 2031
Debt Instrument [Line Items]
Senior notes, rate	4.00%			4.00%
Mortgages and notes payable	$ 385,676		385,375
Revolving Credit Facility [Member] | Unsecured revolving credit facility
Debt Instrument [Line Items]
Mortgages and notes payable	$ 350,000		$ 0