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Industry Segment Information (Schedule of Segment Reporting Information Impacts on Balance Sheet, by Segment) (Details) - USD ($) $ in Thousands | May 31, 2019 | Aug. 31, 2018 | May 31, 2018
--- | --- | --- | ---
Segment Reporting Information [Line Items] |  |  |
Total assets | $ 505,922 | $ 499,815 | $ 519,778
Irrigation [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Total assets | 306,714 | 277,712 | 326,058
Infrastructure [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Total assets | 80,971 | 69,919 | 88,616
Corporate Segment |  |  |
Segment Reporting Information [Line Items] |  |  |
Total assets | $ 118,237 | $ 152,184 | $ 105,104

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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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- Details
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- Details
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