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BUSINESSES HELD FOR SALE, DISCONTINUED OPERATIONS AND DISPOSITIONS (Narrative) (Details) $ in Millions |  |  | 3 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Aug. 31, 2016 Components | Aug. 31, 2015 Components | Aug. 31, 2016 USD ($) location | May 31, 2016 USD ($) | Aug. 31, 2015 USD ($) location | Aug. 31, 2014 USD ($) | Nov. 30, 2013 USD ($) | Aug. 31, 2014 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |
Number of locations held for sale | Components | 0 |  |  |  |  |  |  |
Currency translation gain |  |  |  | $ (13.5) |  |  |  |
Australian Steel Distribution Business |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |
Number of locations held for sale | Components |  | 1 |  |  |  |  |  |
Number of locations sold | location |  |  |  |  | 6 |  |  |
Proceeds from sale of business |  |  | $ 4.4 |  | $ 26.4 |  |  |
Pre-tax gain |  |  |  |  | 8.1 |  |  |
Currency translation gain |  |  |  |  | $ 10.1 |  |  |
Number of locations where operations ceased | location |  |  | 3 |  |  |  |  |
Howell |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |
Pre-tax gain |  |  |  |  |  |  |  | $ 6.3
Business divestiture disposal price |  |  |  |  |  | $ 1.1 | $ 58.5 |
Escrow receivable |  |  |  |  |  | $ 3.2 |  | $ 3.2

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