Notes Payable (Schedule Notes Payable) (Details) - USD ($) $ in Thousands	Feb. 29, 2024	Nov. 30, 2023
Debt Instrument [Line Items]
Notes payable	$ 1,692,729	$ 1,689,898
Senior unsecured term loan due August 25, 2026 | Senior unsecured term loan due August 25, 2026
Debt Instrument [Line Items]
Notes payable	$ 358,323	358,156
Senior Notes | 6.875% Senior notes due June 15, 2027
Debt Instrument [Line Items]
Stated interest rate percentage	6.875%
Notes payable	$ 298,183	298,062
Senior Notes | 4.80% Senior notes due November 15, 2029
Debt Instrument [Line Items]
Stated interest rate percentage	4.80%
Notes payable	$ 297,660	297,572
Senior Notes | 7.25% Senior notes due July 15, 2030
Debt Instrument [Line Items]
Stated interest rate percentage	7.25%
Notes payable	$ 346,216	346,101
Senior Notes | 4.00% Senior notes due June 15, 2031
Debt Instrument [Line Items]
Stated interest rate percentage	4.00%
Notes payable	$ 386,307	386,199
Mortgages and land contracts due to land sellers and other loans
Debt Instrument [Line Items]
Notes payable	$ 6,040	$ 3,808