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Industry Segment Information (Schedule of Segment Reporting Information Impacts on Balance Sheet, by Segment) (Details) - USD ($) $ in Thousands	May 31, 2021	Aug. 31, 2020	May 31, 2020
Segment Reporting Information [Line Items]
Total assets	$ 642,217	$ 570,526	$ 557,486
Irrigation [Member]
Segment Reporting Information [Line Items]
Total assets	402,304	307,537	313,216
Infrastructure [Member]
Segment Reporting Information [Line Items]
Total assets	92,436	113,111	105,832
Corporate Segment
Segment Reporting Information [Line Items]
Total assets	$ 147,477	$ 149,878	$ 138,438

X

- Definition

Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

+ References

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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.

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