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Property And Equipment (Narrative) (Details) - USD ($) $ in Thousands	9 Months Ended
	May 31, 2017	May 31, 2016
Business Acquisition [Line Items]
Purchase price of property	$ 15,410	$ 3,311
9715 Businesspark Avenue, San Diego [Member]
Business Acquisition [Line Items]
Purchase price of property	$ 14,200

X

- Definition

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.

+ Details

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X

- Definition

The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3213-108585

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- Details

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