XML 103 R57.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Other Assets - Narrative (Details) - USD ($) | 2 Months Ended | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Jul. 31, 2017 | Aug. 31, 2017 | May 31, 2017 | May 31, 2017 | Aug. 31, 2017 | Aug. 31, 2016 | Aug. 31, 2015
Goodwill [Line Items] |  |  |  |  |  |  |
Goodwill |  | $ 154,055,000 |  |  | $ 154,055,000 | $ 160,414,000 | $ 150,115,000
Goodwill, Acquired During Period |  |  |  |  |  | 9,774,000 |
Amortization of intangible assets |  |  |  |  | 4,300,000 | 6,100,000 | 7,300,000
Goodwill, Written off Related to Sale of Business Unit |  |  |  |  |  | (695,000) |
Goodwill impairment, result of annual impairment analysis | $ 0 |  |  | $ 0 |  |  |
Goodwill, Impairment Loss |  |  | $ (5,500,000) |  | (5,542,000) |  |
Disposal Group, Not Discontinued Operation, Loss (Gain) on Write-down |  | 26,900,000 | $ 51,800,000 |  |  |  |
Disposal Group, Including Discontinued Operation, Property, Plant and Equipment |  | 8,200,000 |  |  | 8,200,000 |  |
Disposal Group, Including Discontinued Operation, Inventory |  | 20,500,000 |  |  | 20,500,000 |  |
Disposal Group, Including Discontinued Operation, Accounts, Notes and Loans Receivable, Net |  | 6,300,000 |  |  | 6,300,000 |  |
Foods [Member] |  |  |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |  |  |
Goodwill |  | 0 |  |  | 0 |  |
Nitrogen Production [Member] |  |  |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |  |  |
Goodwill |  | 0 |  |  | 0 |  |
Ag [Member] |  |  |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |  |  |
Goodwill |  | $ 142,929,000 |  |  | 142,929,000 | 148,916,000 | $ 142,665,000
Goodwill, Acquired During Period |  |  |  |  |  | 5,726,000 |
Finite-lived intangible assets acquired |  |  |  |  | 500,000 | 2,800,000 |
Goodwill, Written off Related to Sale of Business Unit |  |  |  |  |  | (695,000) |
Goodwill, Impairment Loss |  |  |  |  | $ (5,542,000) |  |
Minimum | Other Intangible Assets [Member] |  |  |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life |  |  |  |  | 2 years |  |
Minimum | Major Maintenance Activities Requiring Shutdown |  |  |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life |  |  |  |  | 2 years |  |
Maximum | Other Intangible Assets [Member] |  |  |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life |  |  |  |  | 30 years |  |
Maximum | Major Maintenance Activities Requiring Shutdown |  |  |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life |  |  |  |  | 4 years |  |
Cash Distribution [Member] | Series of Individually Immaterial Business Acquisitions [Member] |  |  |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |  |  |
Payments to Acquire Assets, Investing Activities |  |  |  |  |  | $ 11,900,000 |

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