INCOME TAX (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
Income Tax Disclosure [Abstract]
Effective income tax rate from continuing operations	16.00%	26.10%	27.50%	27.40%
Statutory income tax rate			35.00%	35.00%
Effective income tax rate from discontinued operations	22.20%	0.00%	9.90%	0.20%
Net income tax payments			$ 23.5	$ 28.7
Unrecognized income tax benefits	$ 27.3		27.3		$ 27.3
Possible unrecognized income tax benefits decrease during the next twelve months	17.8		17.8
Unrecognized income tax benefits that would reduce provisions for income taxes	$ 2.5		$ 2.5