Income Taxes (Details Textual) (USD $) In Millions, unless otherwise specified								12 Months Ended		12 Months Ended				12 Months Ended
	Jul. 01, 2012	Jul. 03, 2011	Jun. 27, 2010	Jun. 28, 2009	Jul. 01, 2012 Fiscal 2008 and 2009 Short-Term Investment Losses [Member]	Jul. 01, 2012 State Income Tax Credits [Member]	Jul. 01, 2012 Stock Options [Member]	Jul. 01, 2012 Federal [Member]	Jul. 01, 2012 Federal [Member] Research and Development Tax Credit Carryforward [Member]	Jul. 01, 2012 Federal [Member] Research and Development Tax Credit Carryforward [Member] Maximum [Member]	Jul. 01, 2012 Federal [Member] Research and Development Tax Credit Carryforward [Member] Minimum [Member]	Jul. 01, 2012 State [Member] Research and Development Tax Credit Carryforward [Member]	Jul. 01, 2012 Foreign Tax Credit [Member] Research and Development Tax Credit Carryforward [Member]	Jul. 01, 2012 Foreign Tax Credit [Member] Research and Development Tax Credit Carryforward [Member] Maximum [Member]	Jul. 01, 2012 Foreign Tax Credit [Member] Research and Development Tax Credit Carryforward [Member] Minimum [Member]	Jul. 01, 2012 California [Member]
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards								$ 10.0								$ 6.5
Net operating loss carryforwards, expiration dates								2024 through 2025								2014 through 2030
Tax Credit Carryforward [Line Items]
Tax credit carryforwards							0.3		11.1			13.3	1.9
Tax credit carryforwards expiration date										2032	2013			2019	2016
Alternative minimum tax credit carryforwards	4.5						0.1
Valuation Allowance [Line Items]
Valuation allowance					1.5	4.5
Income Taxes (Textual) [Abstract]
Unrecognized tax benefits	16.1	16.2	15.4	14.3
Unrecognized tax benefits that would impact effective tax rate		13.7
Accrued interest or penalties	0	0
Accumulated undistributed earnings of foreign subsidiaries	$ 5.6