Segment Information (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
May. 30, 2015	May. 31, 2014	May. 30, 2015	May. 31, 2014
Segment Information [Abstract]
Reduction of contingent earnout liability	$ (51)	$ (350)	$ (79)	$ (936)

Amount of increase (decrease) in the value of a contingent consideration liability, including, but not limited to, differences arising upon settlement.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 30

-Section 50

-Paragraph 4

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e7008-128479

Name:	us-gaap_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration