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Inventory Impairments and Land Option Contract Abandonments (Narratives) (Details)	3 Months Ended
	Feb. 28, 2025 USD ($) community	Feb. 29, 2024 USD ($)	Nov. 30, 2024 USD ($) community
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Number of land parcels or communities evaluated for recoverability | community	11		8
Carrying value of communities of land parcels evaluated for impairment	$ 201,900,000		$ 139,500,000
Inventory impairment charges	0	$ 0
Aggregate carrying value of inventory impacted by pretax, noncash inventory impairment charges	$ 19,900,000		$ 32,100,000
Number of communities and various other land parcels impacted by pretax, noncash inventory impairment charges | community	4		4
Land Option Contract Abandonment
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Land option abandonments	$ 1,500,000	$ 1,300,000

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Number of communities and various other land parcels impacted by pretax, noncash inventory impairment charges.

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The charge against earnings in the period to reduce the carrying amount of real property to fair value.

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The loss recognized on termination of a contract.

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