Accrued and Other Current Liabilities - Summary of Warranty Liability (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 29, 2014	Jun. 30, 2013
Movement in Standard and Extended Product Warranty, Increase (Decrease) [Roll Forward]
Balance at beginning of period	$ 2,660	$ 2,463
Accrued warranties assumed with the acquisition of Endace	0	35
Accrual for warranties issued	1,402	1,959
Changes to pre-existing warranties (including changes in estimates)	(599)	(81)
Settlements made (in cash or in kind)	(665)	(1,716)
Balance at end of period	$ 2,798	$ 2,660