Income Taxes - Additional Information (Detail) (USD $)	3 Months Ended		9 Months Ended
	Mar. 28, 2015	Mar. 29, 2014	Mar. 28, 2015	Mar. 29, 2014	Jun. 30, 2014
Income Taxes [Line Items]
Provision for (benefit from) income taxes	$ (70,000)	$ 153,000	$ (80,000)	$ 310,000
Unrecognized tax benefits	7,900,000		7,900,000		7,400,000
Unrecognized tax benefits that, if recognized, would reduce the effective tax rate	300,000		300,000		400,000
Accrued interest and penalties, unrecognized tax benefits	0		0
Unrecognized tax benefit [Member]
Income Taxes [Line Items]
Valuation allowance, amount	$ 6,200,000		$ 6,200,000		$ 6,000,000