Fair Value - Assets and Liabilities Measured at Fair Value on Recurring Basis (Detail) (Recurring, USD $) In Thousands, unless otherwise specified	Jun. 28, 2014
Assets:
Money market funds	$ 1,214
Marketable securities	95
Total assets measured at fair value	1,309
Quoted Prices in Active Markets for Identical Assets (Level 1)
Assets:
Money market funds	1,214
Marketable securities	95
Total assets measured at fair value	1,309
Significant Other Observable Inputs (Level 2)
Assets:
Money market funds	0
Marketable securities	0
Total assets measured at fair value	0
Significant Unobservable Inputs (Level 3)
Assets:
Money market funds	0
Marketable securities	0
Total assets measured at fair value	$ 0