Fair Value Measurements - Fair Value and Carrying Value of Long-Term Debt (Detail) - USD ($) $ in Thousands	Aug. 31, 2025	May 31, 2025
Carrying Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt, including current portion	$ 2,669,424	$ 2,646,613
Fair Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt, including current portion	$ 2,571,528	$ 2,523,202

Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

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+ Details