Restructuring Charges - Additional Information (Detail) $ in Thousands	3 Months Ended	9 Months Ended	12 Months Ended
Jun. 26, 2015 USD ($)	Jun. 27, 2014 USD ($)	Jun. 26, 2015 USD ($)	Jun. 27, 2014 USD ($)	Sep. 27, 2013 Facility
Restructuring Cost and Reserve [Line Items]
Number of consolidated assembly and integration facilities \| Facility					2
Accretion of interest expense	$ 11	$ 10	$ 34	$ 31
Severance benefits			$ 30

Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 420

-SubTopic 10

-Section S99

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-Subparagraph (SAB TOPIC 5.P.4(b))

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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Reference 4: http://www.xbrl.org/2003/role/presentationRef

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Reference 5: http://www.xbrl.org/2003/role/presentationRef

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Reference 6: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 5

-Section P

-Subsection 3, 4

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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