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v3.25.2

Fair Value Measurements - Fair Value and Carrying Value of Financial Instruments and Long-Term Debt (Detail) - USD ($) $ in Thousands | May 31, 2025 | May 31, 2024
--- | --- | ---
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Marketable equity securities | $ 135,400 | $ 127,600
Available-for-sale debt securities | 24,323 | 26,697
Carrying Value |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Long-term debt, including current portion | 2,646,613 | 2,127,148
Fair Value |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Long-term debt, including current portion | $ 2,523,202 | $ 1,979,359

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