Summary Of Significant Accounting Policies (Unobservable inputs) (Details)	Nov. 30, 2023 home USD ($)	Nov. 30, 2022 home USD ($)
Average selling price (1) | Level 3 | Discounted Cash Flow Model | Fair Value, Measurements, Nonrecurring | Minimum
Segment Reporting Information [Line Items]
Communities, unobservable inputs | $	179,000	233,000
Average selling price (1) | Level 3 | Discounted Cash Flow Model | Fair Value, Measurements, Nonrecurring | Maximum
Segment Reporting Information [Line Items]
Communities, unobservable inputs | $	850,000	753,000
Absorption rate per quarter (homes) | Level 3 | Discounted Cash Flow Model | Fair Value, Measurements, Nonrecurring | Minimum
Segment Reporting Information [Line Items]
Communities, unobservable inputs | home	3	2
Absorption rate per quarter (homes) | Level 3 | Discounted Cash Flow Model | Fair Value, Measurements, Nonrecurring | Maximum
Segment Reporting Information [Line Items]
Communities, unobservable inputs | home	26	12
Discount rate | Minimum
Segment Reporting Information [Line Items]
Communities, unobservable inputs	0.10
Discount rate | Maximum
Segment Reporting Information [Line Items]
Communities, unobservable inputs	0.20
Discount rate | Level 3 | Discounted Cash Flow Model | Fair Value, Measurements, Nonrecurring | Minimum
Segment Reporting Information [Line Items]
Communities, unobservable inputs	0.20	0.20