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Goodwill and Intangibles (Tables) | 6 Months Ended
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Feb. 29, 2016
Finite-Lived Intangible Assets [Line Items] |
Schedule of Goodwill [Table Text Block] |
| Energy |  | Ag |  | Corporate and Other |  | Total
| (Dollars in thousands)
Balances, August 31, 2015 | $ | 552 |  |  | $ | 142,665 |  |  | $ | 6,898 |  |  | $ | 150,115 |
Goodwill acquired during the period | — |  |  | 5,667 |  |  | — |  |  | 5,667 |
Effect of foreign currency translation adjustments | — |  |  | (760 | ) |  | — |  |  | (760 | )
Other | — |  |  | (782 | ) |  | — |  |  | (782 | )
Balances, February 29, 2016 | $ | 552 |  |  | $ | 146,790 |  |  | $ | 6,898 |  |  | $ | 154,240 |
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense |
| (Dollars in thousands)
Year 1 | $ | 4,903 |
Year 2 | 3,812 |
Year 3 | 3,810 |
Year 4 | 3,670 |
Year 5 | 3,383 |
Schedule of Intangible Assets and Goodwill [Table Text Block] |
| February 29, 2016 |  | August 31, 2015
| Carrying Amount |  | Accumulated Amortization |  | Net |  | Carrying Amount |  | Accumulated Amortization |  | Net
| (Dollars in thousands)
Customer lists | $ | 63,355 |  |  | $ | (28,420 | ) |  | $ | 34,935 |  |  | $ | 70,925 |  |  | $ | (30,831 | ) |  | $ | 40,094 |
Trademarks and other intangible assets | 40,771 |  |  | (31,789 | ) |  | 8,982 |  |  | 42,688 |  |  | (32,134 | ) |  | 10,554 |
Total intangible assets | $ | 104,126 |  |  | $ | (60,209 | ) |  | $ | 43,917 |  |  | $ | 113,613 |  |  | $ | (62,965 | ) |  | $ | 50,648 |

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- Definition Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16265-109275 + Details
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