GOODWILL AND OTHER INTANGIBLE ASSETS (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Feb. 29, 2016	Feb. 28, 2015	Feb. 29, 2016	Feb. 28, 2015	Aug. 31, 2015
Goodwill and Intangible Assets Disclosure [Abstract]
Gross carrying amounts of the intangible assets subject to amortization	$ 40.2		$ 40.2		$ 47.8
Amortization expense for intangible assets	$ 1.0	$ 1.7	$ 2.1	$ 3.6