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Derivatives and Hedging - Schedule of Fair Values of Qualifying and Non-Qualifying Instruments Used in Hedging Transactions (Detail) - USD ($) $ in Thousands | Nov. 30, 2020 | May 31, 2020
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Derivatives Designated as Hedging Instruments | Cross Currency Swap | Net Investment | Other Current Assets |  |
Derivative Instruments And Hedging Activities Disclosures [Line Items] |  |
Fair value of derivatives assets | $ 5,681 | $ 5,352
Derivatives Designated as Hedging Instruments | Cross Currency Swap | Net Investment | Other Assets (Long-Term) |  |
Derivative Instruments And Hedging Activities Disclosures [Line Items] |  |
Fair value of derivatives assets |  | 12,409
Derivatives Designated as Hedging Instruments | Cross Currency Swap | Net Investment | Other Accrued Liabilities |  |
Derivative Instruments And Hedging Activities Disclosures [Line Items] |  |
Fair value of derivatives liabilities | 726 | 294
Derivatives Designated as Hedging Instruments | Cross Currency Swap | Net Investment | Other Long-Term Liabilities |  |
Derivative Instruments And Hedging Activities Disclosures [Line Items] |  |
Fair value of derivatives liabilities | 30,557 | 18,204
Derivatives Designated as Hedging Instruments | Cross Currency Swap | Cash Flow | Other Current Assets |  |
Derivative Instruments And Hedging Activities Disclosures [Line Items] |  |
Fair value of derivatives assets | 604 | 750
Derivatives Designated as Hedging Instruments | Cross Currency Swap | Cash Flow | Other Long-Term Liabilities |  |
Derivative Instruments And Hedging Activities Disclosures [Line Items] |  |
Fair value of derivatives liabilities | 11,394 | 3,608
Derivatives Designated as Hedging Instruments | Interest Rate Swap | Cash Flow | Other Accrued Liabilities |  |
Derivative Instruments And Hedging Activities Disclosures [Line Items] |  |
Fair value of derivatives liabilities | 3,323 | 2,981
Derivatives Designated as Hedging Instruments | Interest Rate Swap | Cash Flow | Other Long-Term Liabilities |  |
Derivative Instruments And Hedging Activities Disclosures [Line Items] |  |
Fair value of derivatives liabilities | 3,978 | 5,187
Derivatives Not Designated as Hedging Instruments | Foreign Currency Exchange (Cash Flow) | Other Accrued Liabilities |  |
Derivative Instruments And Hedging Activities Disclosures [Line Items] |  |
Fair value of derivatives liabilities | $ 394 | $ 53

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