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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, 2016 | May 31, 2016 | [1] | Feb. 29, 2016 | [1] | Nov. 30, 2015 | [1] | Aug. 31, 2015 | May 31, 2015 | [1] | Feb. 28, 2015 | [1] | Nov. 30, 2014 | [1] | Aug. 31, 2016 | Aug. 31, 2015 | Aug. 31, 2014
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  | $ 1,208,580 | [1] | $ 1,227,390 | $ 1,019,697 | $ 1,154,859 | $ 1,411,496 | [1] | $ 1,506,002 | $ 1,391,117 | $ 1,679,990 | $ 4,610,526 | $ 5,988,605 | $ 6,790,438
Interest expense |  |  |  |  |  |  |  |  |  |  |  | 62,231 | 77,760 | 77,037
Capital expenditures |  |  |  |  |  |  |  |  |  |  |  | 163,332 | 119,580 | 101,749
Impairment of assets |  |  |  |  |  |  |  |  |  |  |  | 40,028 | 9,839 | 3,305
Total assets |  | 3,130,869 |  |  |  |  | 3,439,951 |  |  |  |  | 3,130,869 | 3,439,951 |
Continuing Operations |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  |  |  | 4,610,526 | 5,988,605 | 6,790,438
Americas Recycling |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  |  |  | 594,275 | 887,068 | 1,176,907
Americas Mills |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  |  |  | 839,432 | 1,048,063 | 1,198,249
Americas Fabrication |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  |  |  | 1,479,125 | 1,612,084 | 1,523,573
International Mill |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  |  |  | 516,643 | 626,219 | 822,224
International Marketing and Distribution |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  |  |  | 1,173,969 | 1,814,319 | 2,055,202
Corporate |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  |  |  | 7,082 | 852 | 14,283
Eliminations |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Segments | Continuing Operations |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  |  |  | 4,610,526 | 5,988,605 | 6,790,438
Adjusted operating profit (loss) |  |  |  |  |  |  |  |  |  |  |  | 149,108 | 225,282 | 245,829
Interest expense | [2] |  |  |  |  |  |  |  |  |  |  | 62,231 | 77,760 | 77,037
Capital expenditures | [3] |  |  |  |  |  |  |  |  |  |  | 163,255 | 115,800 | 101,149
Depreciation and amortization |  |  |  |  |  |  |  |  |  |  |  | 126,940 | 132,503 | 134,222
Impairment of assets |  |  |  |  |  |  |  |  |  |  |  | 40,028 | 9,839 | 3,305
Total assets | [4] | 3,124,082 |  |  |  |  | 3,408,426 |  |  |  |  | 3,124,082 | 3,408,426 | 3,682,568
Segments | Americas Recycling |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  |  |  | 705,754 | 1,022,621 | 1,367,070
Adjusted operating profit (loss) |  |  |  |  |  |  |  |  |  |  |  | (61,284) | (29,157) | (5,687)
Interest expense | [2] |  |  |  |  |  |  |  |  |  |  | 2,210 | 2,628 | 2,700
Capital expenditures | [3] |  |  |  |  |  |  |  |  |  |  | 4,891 | 12,811 | 16,771
Depreciation and amortization |  |  |  |  |  |  |  |  |  |  |  | 17,919 | 17,460 | 14,832
Impairment of assets |  |  |  |  |  |  |  |  |  |  |  | 38,900 | 7,494 | 1,592
Total assets | [4] | 188,873 |  |  |  |  | 261,676 |  |  |  |  | 188,873 | 261,676 | 316,967
Segments | Americas Mills |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  |  |  | 1,498,848 | 1,841,812 | 1,991,334
Adjusted operating profit (loss) |  |  |  |  |  |  |  |  |  |  |  | 209,751 | 255,507 | 256,536
Interest expense | [2] |  |  |  |  |  |  |  |  |  |  | 1,942 | 4,207 | 7,059
Capital expenditures | [3] |  |  |  |  |  |  |  |  |  |  | 110,375 | 67,203 | 31,781
Depreciation and amortization |  |  |  |  |  |  |  |  |  |  |  | 47,924 | 46,780 | 45,392
Impairment of assets |  |  |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Total assets | [4] | 798,481 |  |  |  |  | 738,669 |  |  |  |  | 798,481 | 738,669 | 762,549
Segments | Americas Fabrication |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  |  |  | 1,489,455 | 1,624,238 | 1,537,485
Adjusted operating profit (loss) |  |  |  |  |  |  |  |  |  |  |  | 68,602 | 22,424 | 6,440
Interest expense | [2] |  |  |  |  |  |  |  |  |  |  | 8,356 | 8,864 | 10,222
Capital expenditures | [3] |  |  |  |  |  |  |  |  |  |  | 14,958 | 14,883 | 13,798
Depreciation and amortization |  |  |  |  |  |  |  |  |  |  |  | 13,620 | 17,509 | 19,192
Impairment of assets |  |  |  |  |  |  |  |  |  |  |  | 0 | 1,585 | 0
Total assets | [4] | 659,165 |  |  |  |  | 713,860 |  |  |  |  | 659,165 | 713,860 | 734,500
Segments | International Mill |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  |  |  | 517,186 | 626,251 | 823,193
Adjusted operating profit (loss) |  |  |  |  |  |  |  |  |  |  |  | 28,892 | 17,555 | 30,632
Interest expense | [2] |  |  |  |  |  |  |  |  |  |  | 2,608 | 2,620 | 4,608
Capital expenditures | [3] |  |  |  |  |  |  |  |  |  |  | 27,155 | 15,413 | 30,770
Depreciation and amortization |  |  |  |  |  |  |  |  |  |  |  | 25,902 | 28,087 | 32,209
Impairment of assets |  |  |  |  |  |  |  |  |  |  |  | 208 | 124 | 567
Total assets | [4] | 372,492 |  |  |  |  | 403,706 |  |  |  |  | 372,492 | 403,706 | 466,449
Segments | International Marketing and Distribution |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  |  |  | 1,189,596 | 1,897,617 | 2,120,537
Adjusted operating profit (loss) |  |  |  |  |  |  |  |  |  |  |  | (7,087) | 35,376 | 30,557
Interest expense | [2] |  |  |  |  |  |  |  |  |  |  | 3,524 | 9,096 | 6,924
Capital expenditures | [3] |  |  |  |  |  |  |  |  |  |  | 289 | 296 | 1,122
Depreciation and amortization |  |  |  |  |  |  |  |  |  |  |  | 1,302 | 1,928 | 2,328
Impairment of assets |  |  |  |  |  |  |  |  |  |  |  | 726 | 623 | 172
Total assets | [4] | 564,068 |  |  |  |  | 798,914 |  |  |  |  | 564,068 | 798,914 | 822,679
Segments | Corporate |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  |  |  | 7,082 | 852 | 14,283
Adjusted operating profit (loss) |  |  |  |  |  |  |  |  |  |  |  | (95,085) | (77,832) | (72,347)
Interest expense | [2] |  |  |  |  |  |  |  |  |  |  | 43,591 | 50,345 | 45,524
Capital expenditures | [3] |  |  |  |  |  |  |  |  |  |  | 5,587 | 5,194 | 6,907
Depreciation and amortization |  |  |  |  |  |  |  |  |  |  |  | 20,273 | 20,739 | 20,269
Impairment of assets |  |  |  |  |  |  |  |  |  |  |  | 194 | 13 | 974
Total assets | [4] | 1,034,053 |  |  |  |  | 1,044,178 |  |  |  |  | 1,034,053 | 1,044,178 | 1,048,517
Segments | Eliminations |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  |  |  | (797,395) | (1,024,786) | (1,063,464)
Adjusted operating profit (loss) |  |  |  |  |  |  |  |  |  |  |  | 5,319 | 1,409 | (302)
Interest expense | [2] |  |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Capital expenditures | [3] |  |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Depreciation and amortization |  |  |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Impairment of assets |  |  |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Total assets | [4] | $ (493,050) |  |  |  |  | $ (552,577) |  |  |  |  | (493,050) | (552,577) | (469,093)
Intersegment | Continuing Operations |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Intersegment | Americas Recycling |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  |  |  | 111,479 | 135,553 | 190,163
Intersegment | Americas Mills |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  |  |  | 659,416 | 793,749 | 793,085
Intersegment | Americas Fabrication |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  |  |  | 10,330 | 12,154 | 13,912
Intersegment | International Mill |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  |  |  | 543 | 32 | 969
Intersegment | International Marketing and Distribution |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  |  |  | 15,627 | 83,298 | 65,335
Intersegment | Corporate |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Intersegment | Eliminations |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  |  |  | $ (797,395) | $ (1,024,786) | $ (1,063,464)
[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 years ended August 31, 2016, 2015 and 2014.
[4] | Excludes total assets from discontinued operations of $6.8 million at August 31, 2016, $31.5 million at August 31, 2015 and $151.1 million at August 31, 2014.

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