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Financial Instruments and Fair Value Disclosures - (Unobservable Inputs Used in Discounted Cash Flow Model to Determine the Fair Value of Communities) (Details) $ / homes in Thousands	Aug. 31, 2021 $ / homes	Aug. 31, 2020 $ / homes
Discount rate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Unobservable inputs	0.20	0.20
Minimum | Average selling price
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Unobservable inputs	635,000	201,000
Minimum | Absorption rate per quarter (homes)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Unobservable inputs	11	3
Maximum | Average selling price
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Unobservable inputs		970,000
Maximum | Absorption rate per quarter (homes)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Unobservable inputs		15

X

- Definition

Inventory, Measurement Input

+ References

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+ Details

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X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Details

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- Details

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- Details

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- Details

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- Details

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