Financial Instruments and Fair Value Disclosures - (Narrative) (Details) $ in Millions	3 Months Ended	6 Months Ended
May 31, 2025 USD ($) community	May 31, 2025 USD ($) community	May 31, 2024 community
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Active communities \| community	1,617	1,617	1,245
Write-down of investments in unconsolidated entities \| $	$ 3.1	$ 10.7

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.

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 820
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
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