Nature Of Operations And Summary Of Significant Accounting Policies (Components Other Current Assets) (Details) - USD ($) $ in Thousands	Aug. 31, 2018	Aug. 31, 2017
Other current assets	$ 10,893	$ 9,387
Deferred Commissions [Member]
Other current assets	6,958	6,150
Other Current Assets [Member]
Other current assets	$ 3,935	$ 3,237

Amount of current assets classified as other.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.8)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Name:	us-gaap_OtherAssetsCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant