Financial Instruments and Fair Value Disclosures - (Unobservable Inputs Used in Discounted Cash Flow Model to Determine the Fair Value of Communities) (Details)	May 31, 2026	May 31, 2025
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	129,000	168,000
Minimum | Absorption rate per quarter (homes)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Unobservable inputs	5	2
Maximum | Average selling price (1)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Unobservable inputs	1,015,000	872,000
Maximum | Absorption rate per quarter (homes)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Unobservable inputs	19	7