Income Taxes - Additional Information (Detail) (USD $)	12 Months Ended
	Jun. 28, 2014	Jun. 29, 2013	Jun. 30, 2012	Jul. 02, 2011
Income Tax Disclosure [Line Items]
Tax liability for withholding taxes	$ 339,000	$ 0
Increase (decrease) in valuation allowance	(97,200,000)	177,400,000	3,400,000
Unrecognized deferred tax benefits for federal and sate	3,300,000
Net operating losses	102,331,000	124,795,000	67,673,000
Research and development credits	3,579,000	3,469,000
Total amount of unrecognized tax benefits	4,164,000	8,016,000	7,248,000	6,853,000
Unrecognized tax benefits that would affect effective tax rate	3,600,000
Decrease in unrecognized tax benefits	1,700,000
Unrecognized tax benefits, interest and penalties	200,000	300,000	100,000
Accrued interest and penalties accrued related to unrecognized tax benefits	900,000	700,000
Foreign Tax Authority
Income Tax Disclosure [Line Items]
Foreign tax credit	1,400,000
United Kingdom
Income Tax Disclosure [Line Items]
Foreign net operating loss carry forwards	548,800,000
Japan
Income Tax Disclosure [Line Items]
Foreign net operating loss carry forwards	168,600,000
Israel
Income Tax Disclosure [Line Items]
Foreign net operating loss carry forwards	1,700,000
United States
Income Tax Disclosure [Line Items]
Net operating losses	205,800,000
Research and development credits	100,000
California
Income Tax Disclosure [Line Items]
Net operating losses	161,000,000
Research and development credits	800,000
Foreign Research and Development Credits
Income Tax Disclosure [Line Items]
Foreign research and development credits	$ 1,500,000