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CAPITAL STOCK (Narrative) (Details) - USD ($) | 12 Months Ended |
--- | --- | ---
Aug. 31, 2015 | Aug. 31, 2014 | Oct. 27, 2014
Stockholders' Equity Note [Abstract] |  |  |
Share repurchase program, authorized amount |  |  | $ 100,000,000.0
Treasury stock, shares, purchased | 2,902,218 | 0 |
Share repurchase program, remaining authorized repurchase amount | $ 58,200,000 |  |
Preferred stock, par value per share | $ 1 |  |
Preferred stock, shares authorized | 2,000,000 |  |
Preferred stock, shares outstanding | 0 |  |

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