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Goodwill and Other Intangible Assets (Carrying Amount in Goodwill by Segments) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Aug. 31, 2019 | Aug. 31, 2018
Goodwill [Line Items] |  |
Goodwill, Beginning Balance | $ 64,671 | $ 77,131
Divestiture of businesses |  | (12,294)
Foreign currency translation | (284) | (166)
Goodwill, Ending Balance | 64,387 | 64,671
Irrigation [Member] |  |
Goodwill [Line Items] |  |
Goodwill, Beginning Balance | 48,591 | 60,978
Divestiture of businesses |  | (12,294)
Foreign currency translation | (24) | (93)
Goodwill, Ending Balance | 48,567 | 48,591
Infrastructure [Member] |  |
Goodwill [Line Items] |  |
Goodwill, Beginning Balance | 16,080 | 16,153
Foreign currency translation | (260) | (73)
Goodwill, Ending Balance | $ 15,820 | $ 16,080

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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=77989000&loc=SL49117168-202975 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=99380562&loc=d3e13770-109266 + Details
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- Definition Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267 + Details
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- Definition Amount of divestiture 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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267 + Details
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- Details
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- Details
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