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Goodwill And Other Intangible Assets (Carrying Amount In Goodwill By Segments) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Aug. 31, 2015 | Aug. 31, 2014
Goodwill [Line Items] |  |
Goodwill, Beginning Balance | $ 37,021 | $ 37,414
Foreign currency translation | (1,099) | 10
Goodwill, Ending Balance | 76,801 | 37,021
Claude Laval Corp [Member] |  |
Goodwill [Line Items] |  |
Finalization of Claude Laval Corp acquisition |  | (403)
Elecsys [Member] |  |
Goodwill [Line Items] |  |
Acquisition | 39,986 |
SPF Water Engineering [Member] |  |
Goodwill [Line Items] |  |
Acquisition | 893 |
Irrigation [Member] |  |
Goodwill [Line Items] |  |
Goodwill, Beginning Balance | 20,293 | 20,667
Foreign currency translation | (267) | 29
Goodwill, Ending Balance | 60,905 | 20,293
Irrigation [Member] | Claude Laval Corp [Member] |  |
Goodwill [Line Items] |  |
Finalization of Claude Laval Corp acquisition |  | (403)
Irrigation [Member] | Elecsys [Member] |  |
Goodwill [Line Items] |  |
Acquisition | 39,986 |
Irrigation [Member] | SPF Water Engineering [Member] |  |
Goodwill [Line Items] |  |
Acquisition | 893 |
Infrastructure [Member] |  |
Goodwill [Line Items] |  |
Goodwill, Beginning Balance | 16,728 | 16,747
Foreign currency translation | (832) | (19)
Goodwill, Ending Balance | $ 15,896 | $ 16,728

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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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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Amount of increase (decrease) from adjustments after acquisition date under purchase accounting of an asset representing the 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 805 -SubTopic 10 -Section 25 -Paragraph 16 -URI http://asc.fasb.org/extlink&oid=34752592&loc=d3e961-128460 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
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- Definition Amount of increase (decrease) from foreign currency translation adjustments 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 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
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