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DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES (Schedule of Derivative Instruments in Statement of Financial Position, Fair Value) (Details) - USD ($)
$ in Thousands
Nov. 30, 2018
Aug. 31, 2018
Derivative [Line Items]    
Derivative Asset, Noncurrent $ 4,885 $ 4,364
Designated as Hedging Instrument [Member]    
Derivative [Line Items]    
Derivative Asset, Noncurrent 4,493 3,862
Net Tax Effect (1,305) (1,103)
Net OCI 3,188 2,759
Cross Currency Interest Rate Swaps [Member] | Other Non-current Assets [Member] | Designated as Hedging Instrument [Member]    
Derivative [Line Items]    
Derivative Asset, Noncurrent 2,846 2,405
Net Tax Effect (967) (819)
Net OCI 1,879 1,586
Cross Currency Interest Rate Swaps [Member] | Other Long-Term Liability [Member] | Designated as Hedging Instrument [Member]    
Derivative [Line Items]    
Derivative Liability, Noncurrent (392) (494)
Net Tax Effect 118 148
Net OCI (274) (346)
Interest Rate Swaps [Member] | Other Non-current Assets [Member] | Designated as Hedging Instrument [Member]    
Derivative [Line Items]    
Derivative Asset, Noncurrent 2,039 1,959
Net Tax Effect (456) (434)
Net OCI $ 1,583 1,525
Interest Rate Swaps [Member] | Other Long-Term Liability [Member] | Designated as Hedging Instrument [Member]    
Derivative [Line Items]    
Derivative Liability, Noncurrent   (8)
Net Tax Effect   2
Net OCI   $ (6)