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Goodwill and Other Intangible Assets (Carrying Amount in Goodwill by Segments) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Aug. 31, 2021 | Aug. 31, 2020
Goodwill [Line Items] |  |
Goodwill, Beginning Balance | $ 68,004 | $ 64,387
Acquisition of Net Irrigate |  | 3,265
Foreign currency translation | (36) | 352
Goodwill, Ending Balance | 67,968 | 68,004
Irrigation [Member] |  |
Goodwill [Line Items] |  |
Goodwill, Beginning Balance | 51,802 | 48,567
Acquisition of Net Irrigate |  | 3,265
Foreign currency translation | 9 | (30)
Goodwill, Ending Balance | 51,811 | 51,802
Infrastructure [Member] |  |
Goodwill [Line Items] |  |
Goodwill, Beginning Balance | 16,202 | 15,820
Acquisition of Net Irrigate |  | 0
Foreign currency translation | (45) | 382
Goodwill, Ending Balance | $ 16,157 | $ 16,202

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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/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(10)(1)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 2: 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=120320667&loc=SL49117168-202975 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 852 -SubTopic 10 -Section 55 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=84165509&loc=d3e56426-112766 Reference 4: 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 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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267 + 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=121556970&loc=d3e13816-109267 + Details
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- Details
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- Details
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