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BUSINESS SEGMENTS (Summary of Certain Financial Information from Continuing Operations by Reportable Segment) (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Aug. 31, 2015 | May. 31, 2015 | [1] | Feb. 28, 2015 | [1] | Nov. 30, 2014 | [1] | Aug. 31, 2014 | May. 31, 2014 | [1] | Feb. 28, 2014 | [1] | Nov. 30, 2013 | [1] | Aug. 31, 2015 | Aug. 31, 2014 | Aug. 31, 2013
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  | $ 1,411,496 | [1] | $ 1,506,002 | $ 1,391,117 | $ 1,679,990 | $ 1,837,309 | [1] | $ 1,738,593 | $ 1,597,461 | $ 1,617,075 | $ 5,988,605 | $ 6,790,438 | $ 6,601,070
Interest expense |  |  |  |  |  |  |  |  |  |  |  | 77,760 | 77,037 | 68,439
Capital expenditures |  |  |  |  |  |  |  |  |  |  |  | 119,580 | 101,749 | 89,035
Total assets |  | 3,372,302 |  |  |  |  | 3,688,520 |  |  |  |  | 3,372,302 | 3,688,520 |
Continuing Operations |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  |  |  | 5,988,605 | 6,790,438 | 6,601,070
Americas Recycling |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  |  |  | 887,068 | 1,176,907 | 1,225,604
Americas Mills |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  |  |  | 1,048,063 | 1,198,249 | 1,060,337
Americas Fabrication |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  |  |  | 1,612,084 | 1,523,573 | 1,427,785
International Mill |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  |  |  | 626,219 | 822,224 | 819,889
International Marketing and Distribution |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  |  |  | 1,814,319 | 2,055,202 | 2,055,623
Corporate |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  |  |  | 852 | 14,283 | 11,832
Eliminations |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Segments | Continuing Operations |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  |  |  | 5,988,605 | 6,790,438 | 6,601,070
Adjusted operating profit (loss) |  |  |  |  |  |  |  |  |  |  |  | 323,835 | 232,687 | 234,148
Interest expense | [2] |  |  |  |  |  |  |  |  |  |  | 77,760 | 77,037 | 68,439
Capital expenditures | [3] |  |  |  |  |  |  |  |  |  |  | 115,800 | 101,149 | 87,653
Depreciation and amortization | [4] |  |  |  |  |  |  |  |  |  |  | 142,342 | 137,527 | 135,401
Total assets | [5] | 3,340,777 |  |  |  |  | 3,537,380 |  |  |  |  | 3,340,777 | 3,537,380 | 3,331,699
Segments | Americas Recycling |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  |  |  | 1,022,621 | 1,367,070 | 1,391,749
Adjusted operating profit (loss) |  |  |  |  |  |  |  |  |  |  |  | (18,637) | (3,222) | 3,170
Interest expense | [2] |  |  |  |  |  |  |  |  |  |  | 2,628 | 2,700 | 9
Capital expenditures | [3] |  |  |  |  |  |  |  |  |  |  | 12,811 | 16,771 | 21,261
Depreciation and amortization | [4] |  |  |  |  |  |  |  |  |  |  | 24,954 | 16,424 | 13,453
Total assets | [5] | 251,793 |  |  |  |  | 296,564 |  |  |  |  | 251,793 | 296,564 | 309,599
Segments | Americas Mills |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  |  |  | 1,841,812 | 1,991,334 | 1,819,520
Adjusted operating profit (loss) |  |  |  |  |  |  |  |  |  |  |  | 304,272 | 247,703 | 204,333
Interest expense | [2] |  |  |  |  |  |  |  |  |  |  | 4,207 | 7,059 | (101)
Capital expenditures | [3] |  |  |  |  |  |  |  |  |  |  | 67,203 | 31,781 | 37,216
Depreciation and amortization | [4] |  |  |  |  |  |  |  |  |  |  | 46,780 | 45,392 | 42,925
Total assets | [5] | 672,322 |  |  |  |  | 647,437 |  |  |  |  | 672,322 | 647,437 | 598,478
Segments | Americas Fabrication |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  |  |  | 1,624,238 | 1,537,485 | 1,442,691
Adjusted operating profit (loss) |  |  |  |  |  |  |  |  |  |  |  | 39,183 | 6,196 | 28,033
Interest expense | [2] |  |  |  |  |  |  |  |  |  |  | 8,864 | 10,222 | 83
Capital expenditures | [3] |  |  |  |  |  |  |  |  |  |  | 14,883 | 13,798 | 5,605
Depreciation and amortization | [4] |  |  |  |  |  |  |  |  |  |  | 19,094 | 19,192 | 22,302
Total assets | [5] | 687,884 |  |  |  |  | 691,765 |  |  |  |  | 687,884 | 691,765 | 631,510
Segments | International Mill |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  |  |  | 626,251 | 823,193 | 826,044
Adjusted operating profit (loss) |  |  |  |  |  |  |  |  |  |  |  | 17,555 | 30,632 | 890
Interest expense | [2] |  |  |  |  |  |  |  |  |  |  | 2,620 | 4,608 | 992
Capital expenditures | [3] |  |  |  |  |  |  |  |  |  |  | 15,413 | 30,770 | 15,155
Depreciation and amortization | [4] |  |  |  |  |  |  |  |  |  |  | 28,211 | 32,776 | 33,238
Total assets | [5] | 403,706 |  |  |  |  | 466,449 |  |  |  |  | 403,706 | 466,449 | 487,613
Segments | International Marketing and Distribution |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  |  |  | 1,897,617 | 2,120,537 | 2,094,177
Adjusted operating profit (loss) |  |  |  |  |  |  |  |  |  |  |  | 57,885 | 24,027 | 63,327
Interest expense | [2] |  |  |  |  |  |  |  |  |  |  | 9,096 | 6,924 | 3,200
Capital expenditures | [3] |  |  |  |  |  |  |  |  |  |  | 296 | 1,122 | 864
Depreciation and amortization | [4] |  |  |  |  |  |  |  |  |  |  | 2,551 | 2,500 | 2,387
Total assets | [5] | 802,007 |  |  |  |  | 803,263 |  |  |  |  | 802,007 | 803,263 | 724,963
Segments | Corporate |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  |  |  | 852 | 14,283 | 11,832
Adjusted operating profit (loss) |  |  |  |  |  |  |  |  |  |  |  | (77,832) | (72,347) | (66,453)
Interest expense | [2] |  |  |  |  |  |  |  |  |  |  | 50,345 | 45,524 | 64,256
Capital expenditures | [3] |  |  |  |  |  |  |  |  |  |  | 5,194 | 6,907 | 7,552
Depreciation and amortization | [4] |  |  |  |  |  |  |  |  |  |  | 20,752 | 21,243 | 21,096
Total assets | [5] | 1,075,642 |  |  |  |  | 1,100,995 |  |  |  |  | 1,075,642 | 1,100,995 | 1,075,594
Segments | Eliminations |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  |  |  | (1,024,786) | (1,063,464) | (984,943)
Adjusted operating profit (loss) |  |  |  |  |  |  |  |  |  |  |  | 1,409 | (302) | 848
Interest expense | [2] |  |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Capital expenditures | [3] |  |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Depreciation and amortization | [4] |  |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Total assets | [5] | $ (552,577) |  |  |  |  | $ (469,093) |  |  |  |  | (552,577) | (469,093) | (496,058)
Intersegment | Continuing Operations |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Intersegment | Americas Recycling |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  |  |  | 135,553 | 190,163 | 166,145
Intersegment | Americas Mills |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  |  |  | 793,749 | 793,085 | 759,183
Intersegment | Americas Fabrication |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  |  |  | 12,154 | 13,912 | 14,906
Intersegment | International Mill |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  |  |  | 32 | 969 | 6,155
Intersegment | International Marketing and Distribution |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  |  |  | 83,298 | 65,335 | 38,554
Intersegment | Corporate |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Intersegment | Eliminations |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  |  |  | $ (1,024,786) | $ (1,063,464) | $ (984,943)
[1] | Excludes divisions classified as discontinued operations. See Note 10, Businesses Held for Sale, Discontinued Operations and Dispositions.
[2] | Includes intercompany interest expense (income) in the segments and is all eliminated within Corporate.
[3] | Excludes capital expenditures from discontinued operations that were immaterial for the year ended August 31, 2015, 2014 and 2013.
[4] | Includes asset impairment charges.
[5] | Excludes total assets from discontinued operations of $31.5 million at August 31, 2015, $151.1 million at August 31, 2014 and $163.1 million at August 31, 2013.

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