Basis Of Presentation (Condensed Consolidated Statement Of Operations Impacted By Adoption Of New Accounting Standard) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
Nov. 30, 2018	Nov. 30, 2017
Revenue	$ 53,829	$ 47,932
Cost of sales	17,046	15,064
Selling, general, and administrative	34,644	33,824
Income tax provision (benefit)	100	(1,348)
Net loss	$ (1,357)	$ (2,392)
Net loss per share:
Basic and diluted	$ (0.10)	$ (0.17)
Accounting Standards Update 2014-09 [Member]
Revenue	$ 53,829
Cost of sales	17,046
Selling, general, and administrative	34,644
Income tax provision (benefit)	100
Net loss	$ (1,357)
Net loss per share:
Basic and diluted	$ (0.10)
Accounting Standards Update 2014-09 [Member] \| Without ASC 606 [Member]
Revenue	$ 52,757
Cost of sales	17,046
Selling, general, and administrative	34,573
Income tax provision (benefit)	(136)
Net loss	$ (2,122)
Net loss per share:
Basic and diluted	$ (0.15)
Accounting Standards Update 2014-09 [Member] \| Impact Of ASC 606 [Member]
Revenue	$ 1,072
Selling, general, and administrative	71
Income tax provision (benefit)	236
Net loss	$ 765

The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities.

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