Quarterly report pursuant to Section 13 or 15(d)

Derivatives Narrative (Details)

v3.20.2
Derivatives Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
May 31, 2020
May 31, 2019
May 31, 2020
May 31, 2019
Aug. 31, 2019
Derivative [Line Items]          
Foreign Currency Contract, Liability/Asset, Fair Value Disclosure $ (100)   $ (100)   $ (100)
Loss on Foreign Currency Fair Value Hedge Derivatives and Not Designated as Hedging Instruments at Fair Value (842) $ (114) (1,393) $ (115)  
Gain on Derivative Used in Net Investment Hedge, after Tax 800   500    
Fair Value Hedging [Member]          
Derivative [Line Items]          
Derivative, Fair Value, Net 33,200   33,200   $ 13,300
Net Investment Hedging [Member]          
Derivative [Line Items]          
Derivative, Fair Value, Net $ 31,600   $ 31,600