PROPERTY AND EQUIPMENT (Summary of Total Interest Capitalized) (Details) - USD ($) $ in Thousands	12 Months Ended
	Aug. 31, 2016	Aug. 31, 2015	Aug. 31, 2014
PROPERTY AND EQUIPMENT [Abstract]
Total interest capitalized	$ 7,380	$ 6,961
Interest capitalized	$ 1,082	$ 1,055	$ 1,482