Schedule II (Consolidated Valuation And Qualifying Accounts) (Detail) - USD ($) $ in Thousands	12 Months Ended
	Jun. 27, 2015	Jun. 28, 2014	Jun. 29, 2013
Provision for obsolete inventory
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at beginning of year	$ 332	$ 381	$ 1,146
Provisions	520	257	525
Dispositions	(435)	(306)	(1,290)
Balance at end of year	417	332	381
Allowance for Doubtful Accounts
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at beginning of year	0	40	0
Provisions	97	37	60
Dispositions	0	(77)	(20)
Balance at end of year	$ 97	$ 0	$ 40