CAPITAL STOCK (Narrative) (Details) - USD ($)	12 Months Ended
	Aug. 31, 2016	Aug. 31, 2015	Nov. 30, 2014
Stockholders' Equity Note [Abstract]
Share repurchase program, authorized amount			$ 100,000,000.0
Treasury stock, shares, purchased (shares)	2,255,069	2,902,218
Treasury stock acquired, average cost per share (in USD per share)	$ 13.57	$ 14.40
Share repurchase program, remaining authorized repurchase amount	$ 27,600,000
Preferred stock, par value per share (in USD per share)	$ 1
Preferred stock, shares authorized (shares)	2,000,000
Preferred stock, shares outstanding (shares)	0