SCHEDULE II — VALUATION AND QUALIFYING ACCOUNTS AND RESERVES (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Aug. 31, 2016	Aug. 31, 2015	Aug. 31, 2014
Allowance for doubtful accounts
Valuation and Qualifying Accounts Disclosure [Line Items]
Amounts reclassified to the fair value of the deferred purchase price	$ (1,401)	$ (1,695)	$ (1,010)