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Business Segments And Foreign Operations (Schedule Of Net Sales By Product Group) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Feb. 28, 2018	Feb. 28, 2017	Feb. 28, 2018	Feb. 28, 2017
Revenue from External Customer [Line Items]
Net sales	$ 101,256	$ 96,519	$ 198,853	$ 185,767
Maintenance Products [Member]
Revenue from External Customer [Line Items]
Net sales	92,319	87,771	180,349	166,930
Homecare And Cleaning Products [Member]
Revenue from External Customer [Line Items]
Net sales	$ 8,937	$ 8,748	$ 18,504	$ 18,837

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+ References

No definition available.

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- Definition

Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1)
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

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