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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

X

- 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
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X

- 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

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X

- 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

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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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