Fair Value of Financial Instruments - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	Mar. 29, 2014	Jun. 29, 2013
Fair Value Measurements Of Financial Instruments [Line Items]
Short-term investments	$ 15,551	$ 17,694
Fair value of short term investments	6,325
Portfolio [Member]
Fair Value Measurements Of Financial Instruments [Line Items]
Short-term investments	15,551
Variable Rate Demand Obligation [Member] | Portfolio [Member]
Fair Value Measurements Of Financial Instruments [Line Items]
Short-term investments	6,325
Short-term Investments [Member] | Portfolio [Member]
Fair Value Measurements Of Financial Instruments [Line Items]
Short-term investments	$ 9,226