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INVENTORIES, NET (Narrative) (Details) - USD ($)
$ in Millions
12 Months Ended
Aug. 31, 2015
Aug. 31, 2013
Aug. 31, 2014
Inventory Disclosure [Abstract]      
Percentage of total net inventories were valued at LIFO 51.00%   44.00%
LIFO inventory reserves $ 119.5   $ 198.8
Raw materials 61.5   $ 84.3
Effect of LIFO inventory liquidation on income $ 3.9 $ 3.5