Quarterly report pursuant to Section 13 or 15(d)

Director & Officer Transition Charges (Details)

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Director & Officer Transition Charges (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
May 31, 2018
May 31, 2017
May 31, 2018
May 31, 2017
Compensation Related Costs [Abstract]        
Director & officer transition charges $ 0 $ 0 $ 0 $ 7,784