Income Tax Disclosure (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	May 31, 2017	May 31, 2017	May 31, 2016
Operating Loss Carryforwards [Line Items]
Deferred taxes	$ (75,000)	$ (145,357)	$ (16,356)
Counterparty losses	230,000
Deferred Federal Income Tax Expense (Benefit)	$ (84,400)