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DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES (Schedule of Derivative Instruments in Statement of Financial Position, Fair Value and Summary of Fair Value of Foreign Currency Forward Contracts) (Details) - USD ($)
$ in Thousands
Nov. 30, 2017
Aug. 31, 2017
Derivative [Line Items]    
Derivative Asset, Noncurrent $ 3,278 $ 2,547
Designated as Hedging Instrument [Member]    
Derivative [Line Items]    
Derivative Asset, Noncurrent 2,932 1,865
Net Tax Effect (1,099) (735)
Total Net OCI 1,833 1,130
Fair Value, Inputs, Level 2 [Member] | Not Designated as Hedging Instrument [Member] | Recurring [Member] | Fair Value Hedging [Member]    
Derivative [Line Items]    
Total Net OCI [1] 71  
Interest Rate Swap [Member] | Other Non-current Assets [Member] | Designated as Hedging Instrument [Member]    
Derivative [Line Items]    
Derivative Asset, Noncurrent 764  
Net Tax Effect (272)  
Total Net OCI 492  
Interest Rate Swap [Member] | Other Long-Term Liability [Member] | Designated as Hedging Instrument [Member]    
Derivative [Line Items]    
Derivative Liability, Noncurrent (4) (231)
Net Tax Effect (3) 80
Total Net OCI (7) (151)
Forward Foreign Exchange Contract 1 [Member] | Fair Value, Inputs, Level 2 [Member] | Other Current Assets [Member] | Not Designated as Hedging Instrument [Member] | Recurring [Member] | Fair Value Hedging [Member]    
Derivative [Line Items]    
Total Net OCI 71  
Cross Currency Interest Rate Swaps [Member] | Other Non-current Assets [Member] | Designated as Hedging Instrument [Member]    
Derivative [Line Items]    
Derivative Asset, Noncurrent 2,514 2,547
Net Tax Effect (938) (950)
Total Net OCI 1,576 1,597
Cross Currency Interest Rate Swaps [Member] | Other Long-Term Liability [Member] | Designated as Hedging Instrument [Member]    
Derivative [Line Items]    
Derivative Liability, Noncurrent (342) (451)
Net Tax Effect 114 135
Total Net OCI $ (228) $ (316)
[1] The fair value of these financial assets and liabilities measured and recorded using Level 2 inputs, which are inputs other than quoted prices in active markets that are either directly or indirectly observable.