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Business Segments And Foreign Operations (Schedule Of Net Sales By Product Group) (Details) - USD ($) $ in Thousands	12 Months Ended
	Aug. 31, 2017	Aug. 31, 2016	Aug. 31, 2015
Revenue from External Customer [Line Items]
Net sales	$ 380,506	$ 380,670	$ 378,150
Maintenance Products [Member]
Revenue from External Customer [Line Items]
Net sales	342,295	339,974	333,306
Homecare And Cleaning Products [Member]
Revenue from External Customer [Line Items]
Net sales	$ 38,211	$ 40,696	$ 44,844

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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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- 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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