XML 66 R54.htm IDEA: XBRL DOCUMENT v3.10.0.1
Derivatives and Hedging - Schedule of Fair Values of Qualifying and Non-Qualifying Instruments Used in Hedging Transactions (Detail) - USD ($)
$ in Thousands
Aug. 31, 2018
May 31, 2018
Derivatives Designated as Hedging Instruments | Foreign Currency Exchange (Cash Flow) | Other Current Assets    
Derivative Instruments And Hedging Activities Disclosures [Line Items]    
Fair value of derivatives assets   $ 133
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 $ 1,963 2,580
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 3,116 1,986
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 4,777 5,293
Derivatives Designated as Hedging Instruments | Interest Rate Swap (Fair Value) | Other Accrued Liabilities    
Derivative Instruments And Hedging Activities Disclosures [Line Items]    
Fair value of derivatives liabilities 355 441
Derivatives Designated as Hedging Instruments | Interest Rate Swap (Fair Value) | Other Long-Term Liabilities    
Derivative Instruments And Hedging Activities Disclosures [Line Items]    
Fair value of derivatives liabilities 2,845 2,634
Derivatives Not Designated as Hedging Instruments | Foreign Currency Exchange (Cash Flow) | Other Current Assets    
Derivative Instruments And Hedging Activities Disclosures [Line Items]    
Fair value of derivatives assets $ 10 7
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   $ 2,985