Number of manufacturing facilities closed.

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- Definition

Amount classified as assets attributable to disposal group held for sale or disposed of, expected to be disposed of within one year or the normal operating cycle, if longer.

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- Definition

Amount of gain (loss) from sale and disposal of integrated set of activities and assets capable of being conducted and managed for purpose of providing return in form of dividend, lower cost, or other economic benefit to investor, owner, member and participant.

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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.

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- Definition

Amount of noncash consideration received for selling an asset or business through a noncash (or part noncash) transaction.

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Divestitures and Held-For-Sale (Narrative) (Details) $ in Thousands	3 Months Ended
	Nov. 30, 2019 USD ($)	Nov. 30, 2018 USD ($)	Aug. 31, 2019 USD ($)	Aug. 31, 2018 Facility
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Loss on sale of irrigation dealership	$ 0	$ 67
Note receivable from sale of business	0	5,823
Assets held-for-sale	$ 2,744	2,744	$ 2,744
North America [Member] \| Infrastructure [Member]
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Number of manufacturing facilities closed \| Facility				1
General and Administrative Expense [Member]
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Loss on sale of irrigation dealership		$ 100