Summary of Financial Information by Reportable Segment and Product Line (Details) - USD ($) $ in Thousands	3 Months Ended
Nov. 30, 2019	Nov. 30, 2018	Aug. 31, 2019
Segment Reporting Information [Line Items]
Net Sales	$ 146,674	$ 158,551
Operating Profit (Loss)	14,369	(8,554)
Assets	908,512		$ 1,124,274
Assets of continuing operations	908,512		838,696
Industrial Tools & Services [Member] [Domain]
Segment Reporting Information [Line Items]
Net Sales	135,592	148,655
Operating Profit (Loss)	26,055	26,374
Assets	629,705		553,615
Products [Member]
Segment Reporting Information [Line Items]
Net Sales	96,363	102,768
Service & Rental [Member]
Segment Reporting Information [Line Items]
Net Sales	39,229	45,887
Other Operating Segment [Member]
Segment Reporting Information [Line Items]
Net Sales	11,082	9,896
Operating Profit (Loss)	(255)	(23,961)
Assets	61,581		54,484
General Corporate
Segment Reporting Information [Line Items]
Operating Profit (Loss)	(11,431)	$ (10,967)
Assets	$ 217,226		$ 230,597

Assets of continuing operations - total assets less assets of discontinued operations.

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

+ References

No definition available.

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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

No definition available.

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