Financial Instruments and Fair Value Disclosure (Fair Value Assets Measured On Nonrecurring Basis) (Details) - Homebuilding - USD ($) $ in Thousands	12 Months Ended
	Nov. 30, 2022	Nov. 30, 2021	Nov. 30, 2020
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Inventory write-down	$ 47,900
Fair Value, Measurements, Nonrecurring | Level 3
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Finished homes and construction in progress, carrying value	347,300	$ 32,364	$ 176,637
Finished homes and construction in progress, fair value	295,663	16,342	148,684
Finished homes and construction in progress, total gains and losses	(51,637)	(16,022)	(27,953)
Land and land under development, carrying value	183,737	35,775	182,137
Land and land under development, fair value	126,135	26,841	92,355
Land and land under development, total gains (losses)	(57,602)	(8,934)	(89,782)
Other assets, carrying value	0	12,764	0
Other assets, fair value	0	12,024	0
Other assets, total gains (loss)	0	(740)	0
Fair Value, Measurements, Nonrecurring | Level 3 | Equity Method Investments
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Assets, Fair Value Adjustment	(1,454)	0	0
Fair Value, Measurements, Nonrecurring | Level 3 | Carrying Amount
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Equity Method Investments, Fair Value Disclosure	1,454	0	0
Fair Value, Measurements, Nonrecurring | Level 3 | Fair Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Equity Method Investments, Fair Value Disclosure	$ 0	$ 0	$ 0