Financial Instruments and Fair Value Disclosures - (Unobservable Inputs Used in Discounted Cash Flow Model to Determine the Fair Value of Communities) (Details)	May 31, 2024	May 31, 2023
Discount rate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Unobservable inputs	0.20	0.20
Minimum | Average selling price (1)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Unobservable inputs	178,000	371,000
Minimum | Absorption rate per quarter (homes)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Unobservable inputs	10	6
Maximum | Average selling price (1)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Unobservable inputs	282,000	663,000
Maximum | Absorption rate per quarter (homes)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Unobservable inputs	15	26