Summary of Financial Information by Reportable Segment and Product Line (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Feb. 29, 2020	Feb. 28, 2019	Feb. 29, 2020	Feb. 28, 2019	Aug. 31, 2019
Segment Reporting Information [Line Items]
Net Sales	$ 133,386	$ 159,788	$ 280,060	$ 318,340
Operating Profit (Loss)	8,567	12,439	22,937	3,887
Assets	879,342		879,342		$ 1,124,274
Assets of continuing operations	879,342		879,342		838,696
Industrial Tools & Services [Member] [Domain]
Segment Reporting Information [Line Items]
Net Sales	123,361	149,521	258,953	298,177
Operating Profit (Loss)	20,570	26,546	46,624	52,920
Assets	645,163		645,163		553,615
Products [Member]
Segment Reporting Information [Line Items]
Net Sales	93,364	105,584	189,727	208,353
Service & Rental [Member]
Segment Reporting Information [Line Items]
Net Sales	29,997	43,937	69,226	89,824
Other Operating Segment [Member]
Segment Reporting Information [Line Items]
Net Sales	10,025	10,267	21,107	20,163
Operating Profit (Loss)	(972)	(2,447)	(1,227)	(26,408)
Assets	62,111		62,111		54,484
General Corporate
Segment Reporting Information [Line Items]
Operating Profit (Loss)	(11,031)	$ (11,660)	(22,460)	$ (22,625)
Assets	$ 172,068		$ 172,068		$ 230,597

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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.

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The net result for the period of deducting operating expenses from operating revenues.

+ References

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Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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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

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