Income Taxes - Additional Information (Detail) (USD $)	3 Months Ended	12 Months Ended
	Jun. 29, 2014	Jun. 29, 2014	Jun. 30, 2013	Jul. 01, 2012
Income Taxes Disclosure [Line Items]
Deferred Tax Liabilities, Gross	$ 39,366,000	$ 39,366,000	$ 48,749,000
Non-deductible interest		1,161,000	0	0
Expiration of capital loss carryforward		1,741,000	0	0
Reversal of uncertain tax position accruals		889,000	0	0
Additional research and development credit carryforwards			2,400,000
Section 199 deduction		0	1,357,000	0
Income tax reconciliation, change in federal valuation allowance		10,753,000	10,767,000	12,730,000
IRS NOPA incremental tax liability	70,000,000	70,000,000
Tax impact on unrealized foreign currency gains (losses) on monetary assets and liabilities	3,200,000	3,204,000	(281,000)	0
Valuation allowance	72,100,000	72,100,000	60,091,000
Unrecognized tax benefits	40,245,000	40,245,000	42,730,000	39,757,000
Unrecognized tax benefits if fully recognized that would impact the effective tax rate			26,500,000
Accrued interest and penalties related to unrecognized tax benefits	3,700,000	3,700,000	3,000,000
Capital Loss Carryforward
Income Taxes Disclosure [Line Items]
Capital loss carryforwards	9,200,000	9,200,000
Federal and State
Income Taxes Disclosure [Line Items]
Income tax reconciliation, change in federal valuation allowance				16,400,000
IRS
Income Taxes Disclosure [Line Items]
Net operating loss carryforwards	55,300,000	55,300,000
IRS | Server Engines Corporation
Income Taxes Disclosure [Line Items]
Net operating loss carryforwards	28,600,000	28,600,000
IRS | Aarohi Communications
Income Taxes Disclosure [Line Items]
Net operating loss carryforwards	19,200,000	19,200,000
IRS | Sierra Logic
Income Taxes Disclosure [Line Items]
Net operating loss carryforwards	400,000	400,000
IRS | Research and Development Tax Credit Carryforward
Income Taxes Disclosure [Line Items]
Capital loss carryforwards	16,500,000	16,500,000
State
Income Taxes Disclosure [Line Items]
Net operating loss carryforwards	52,900,000	52,900,000
State | Research and Development Tax Credit Carryforward
Income Taxes Disclosure [Line Items]
Capital loss carryforwards	27,400,000	27,400,000
Foreign Tax Authority
Income Taxes Disclosure [Line Items]
Deferred Tax Liabilities, Gross	15,300,000	15,300,000
Net operating loss carryforwards	$ 12,300,000	$ 12,300,000