Restructuring Charges (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Feb. 29, 2020	Feb. 28, 2019	Feb. 29, 2020	Feb. 28, 2019
Restructuring Reserve [Roll Forward]
Restructuring Charges	$ 1,929	$ 46	$ 3,900	$ 17
Industrial Tools & Services [Member] [Domain]
Restructuring Reserve [Roll Forward]
Beginning Balance			2,912	1,687
Restructuring Charges			2,189	20
Cash payments			(2,693)	(1,115)
Other non-cash uses of reserve			(406)	(12)
Impact of changes in foreign currency rates			(4)	(18)
Ending Balance	1,998	562	1,998	562
General Corporate
Restructuring Reserve [Roll Forward]
Beginning Balance			0	46
Restructuring Charges			939	0
Cash payments			(628)	(46)
Other non-cash uses of reserve			(302)	0
Impact of changes in foreign currency rates			0	0
Ending Balance	9	0	9	0
Reportable Segments [Member]
Restructuring Reserve [Roll Forward]
Restructuring Charges	1,700	$ 100	3,100	$ 100
Other Operating Segment [Member]
Restructuring Reserve [Roll Forward]
Beginning Balance			1,900
Restructuring Charges	300		800
Ending Balance	$ 600		$ 600

Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.

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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Amount of decrease in the reserve for full or partial settlement through consideration other than cash.

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Amount of foreign currency translation gain (loss) which decreases (increases) the restructuring reserve.

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