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Property And Equipment (Schedule Of Property And Equipment, Net) (Details) (USD $) In Thousands, unless otherwise specified	May 31, 2014	Aug. 31, 2013
Property Plant And Equipment [Line Items]
Property and Equipment, Gross	$ 29,392	$ 26,770
Less: accumulated depreciation and amortization	(19,664)	(18,235)
Total	9,728	8,535
Machinery, Equipment and Vehicles [Member]
Property Plant And Equipment [Line Items]
Property and Equipment, Gross	13,177	12,035
Building and Building Improvements [Member]
Property Plant And Equipment [Line Items]
Property and Equipment, Gross	4,043	3,781
Computer And Office Equipment [Member]
Property Plant And Equipment [Line Items]
Property and Equipment, Gross	3,491	3,389
Software and Software Development Costs [Member]
Property Plant And Equipment [Line Items]
Property and Equipment, Gross	6,952	5,997
Furniture and Fixtures [Member]
Property Plant And Equipment [Line Items]
Property and Equipment, Gross	1,431	1,285
Land [Member]
Property Plant And Equipment [Line Items]
Property and Equipment, Gross	$ 298	$ 283

X

- Definition

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 360

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (c)

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-Name Accounting Standards Codification

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-Publisher SEC

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- Definition

Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 360

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229



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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 360

-SubTopic 10

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229



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-Name Accounting Standards Codification

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-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682



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