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Goodwill and Intangibles (Tables) | 9 Months Ended
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May 31, 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 | — |  |  | 5,726 |  |  | 4,158 |  |  | 9,884 |
Effect of foreign currency translation adjustments | — |  |  | 268 |  |  | — |  |  | 268 |
Other | — |  |  | (695 | ) |  | — |  |  | (695 | )
Balances, May 31, 2016 | $ | 552 |  |  | $ | 147,964 |  |  | $ | 11,056 |  |  | $ | 159,572 |
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense |
| (Dollars in thousands)
Year 1 | $ | 4,595 |
Year 2 | 3,911 |
Year 3 | 3,909 |
Year 4 | 3,704 |
Year 5 | 3,486 |
Schedule of Intangible Assets and Goodwill [Table Text Block] |
| May 31, 2016 |  | August 31, 2015
| Carrying Amount |  | Accumulated Amortization |  | Net |  | Carrying Amount |  | Accumulated Amortization |  | Net
| (Dollars in thousands)
Customer lists | $ | 65,238 |  |  | $ | (29,068 | ) |  | $ | 36,170 |  |  | $ | 70,925 |  |  | $ | (30,831 | ) |  | $ | 40,094 |
Trademarks and other intangible assets | 40,812 |  |  | (32,234 | ) |  | 8,578 |  |  | 42,688 |  |  | (32,134 | ) |  | 10,554 |
Total intangible assets | $ | 106,050 |  |  | $ | (61,302 | ) |  | $ | 44,748 |  |  | $ | 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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- Definition Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13854-109267 + Details
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- Definition Tabular disclosure of the amount of amortization expense expected to be recorded in succeeding fiscal years for finite-lived intangible assets. + 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 + Details
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