Income Taxes - Additional Information (Detail) (USD $)	12 Months Ended
	Jun. 30, 2013	Jul. 01, 2012	Jul. 03, 2011	Jul. 03, 2010
Income Tax [Line Items]
Income tax provision (benefit) attributable to continuing operations	$ (2,196,000)	$ 5,771,000	$ 6,861,000
Income tax provision (benefit) attributable to discontinued operations			143,000
Alternative minimum tax credit carryforwards	4,500,000
Accumulated undistributed earnings of foreign subsidiaries	6,000,000
Valuation allowance	7,193,000	7,307,000
Unrecognized tax benefits	16,200,000	16,166,000	16,249,000	15,424,000
Unrecognized tax benefits that would impact effective tax rate		13,700,000
Accrued interest or penalties	0	0	0
Fiscal 2007 through fiscal 2009 foreign tax credit [Member]
Income Tax [Line Items]
Valuation allowance	900,000
Fiscal 2009 short term investment loss [Member]
Income Tax [Line Items]
Valuation allowance	500,000
State income tax credits [Member]
Income Tax [Line Items]
Valuation allowance	5,500,000
Stock options [Member]
Income Tax [Line Items]
Alternative minimum tax credit carryforwards	100,000
Federal [Member]
Income Tax [Line Items]
Net operating loss carryforwards, expiration dates	2024 through 2033
Net operating loss carryforwards	10,000,000
Federal [Member] | Research and development tax credit carryforwards [Member]
Income Tax [Line Items]
Tax credit carryforwards	11,900,000
Federal [Member] | Research and development tax credit carryforwards [Member] | Minimum [Member]
Income Tax [Line Items]
Tax credit carryforwards, expiration date	2018
Federal [Member] | Research and development tax credit carryforwards [Member] | Maximum [Member]
Income Tax [Line Items]
Tax credit carryforwards, expiration date	2033
Foreign tax credit [Member] | Research and development tax credit carryforwards [Member]
Income Tax [Line Items]
Tax credit carryforwards	1,900,000
Foreign tax credit [Member] | Research and development tax credit carryforwards [Member] | Minimum [Member]
Income Tax [Line Items]
Tax credit carryforwards, expiration date	2016
Foreign tax credit [Member] | Research and development tax credit carryforwards [Member] | Maximum [Member]
Income Tax [Line Items]
Tax credit carryforwards, expiration date	2019
State [Member] | Research and development tax credit carryforwards [Member]
Income Tax [Line Items]
Tax credit carryforwards	14,200,000
California [Member]
Income Tax [Line Items]
Net operating loss carryforwards, expiration dates	2014 through 2033
Net operating loss carryforwards	$ 7,000,000