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Goodwill and Intangibles Goodwill by Segment (Details) - USD ($) $ in Thousands | 9 Months Ended |
--- | --- | ---
May 31, 2016 | Aug. 31, 2015
Goodwill [Line Items] |  |
Goodwill | $ 159,572 | $ 150,115
Goodwill, Acquired During Period | 9,884 |
Goodwill, Translation Adjustments | 268 |
Goodwill, Other Changes | (695) |
Energy [Member] |  |
Goodwill [Line Items] |  |
Goodwill | 552 | 552
Goodwill, Acquired During Period | 0 |
Goodwill, Translation Adjustments | 0 |
Goodwill, Other Changes | 0 |
Ag [Member] |  |
Goodwill [Line Items] |  |
Goodwill | 147,964 | 142,665
Goodwill, Acquired During Period | 5,726 |
Goodwill, Translation Adjustments | 268 |
Goodwill, Other Changes | (695) |
Nitrogen Production [Member] |  |
Goodwill [Line Items] |  |
Goodwill | 0 |
Corporate and Other |  |
Goodwill [Line Items] |  |
Goodwill | 11,056 | $ 6,898
Goodwill, Acquired During Period | 4,158 |
Goodwill, Translation Adjustments | 0 |
Goodwill, Other Changes | $ 0 |

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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + 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 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266 + Details
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- Definition Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
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