Commitments and Contingencies (Details) (USD $)	12 Months Ended		3 Months Ended	12 Months Ended			12 Months Ended		12 Months Ended
	Jun. 24, 2012 Technology Acquisition [Member]	Feb. 03, 2011 Technology Acquisition [Member]	Jun. 24, 2012 Inventories [Member]	Jun. 24, 2012 Inventories [Member]	Jun. 26, 2011 Inventories [Member]	Jun. 24, 2012 Capital Addition Purchase Commitments [Member]	Jul. 01, 2007 Power Control Systems [Member]	Jun. 24, 2012 Power Control Systems [Member]	Jun. 24, 2012 Real Estate and Equipment [Member]	Jun. 26, 2011 Real Estate and Equipment [Member]	Jun. 27, 2010 Real Estate and Equipment [Member]
Operating lease, rent expense [Abstract]
Total rental expense on all operating leases									$ 11,200,000	$ 9,800,000	$ 10,200,000
Minimum fixed rentals required under operating leases [Abstract]
Fiscal year 2013									9,923,000
Fiscal year 2014									7,882,000
Fiscal year 2015									7,567,000
Fiscal year 2016									6,167,000
Fiscal year 2017									4,217,000
Thereafter									8,197,000
Total									43,953,000
Divested entities tax obligations [Abstract]
Provision recorded for certain tax obligations with respect to divested entities							18,600,000
Balance of the divested entities tax obligations								1,900,000
Recorded Unconditional Purchase Obligation [Line Items]
Recorded Unconditional Purchase Obligation, Total						12,600,000
Number of external foundries with which agreements were made to secure wafer fabrication capacity				1	1
Amount advanced to the vendor on account of future purchases					4,800,000
Amount advanced to the foundries on account of future purchases			1,500,000	1,500,000
Time period extension of vendor agreement to purchase minimum quantities of wafers each quarter			0 years 6 months
Time period of vendor agreement to purchase minimum quantities of wafers (in years)					2
Amount subject to provisions requiring forfeiture if minimum purchase commitment is not met					4,800,000
Remaining vendor advance that will be recovered through future purchases under the agreement			3,800,000	3,800,000
Remaining Foundry Advance That Will Be Recovered Through Future Purchases Under Agreement			700,000	700,000
Business Acquisition, Contingent Consideration [Line Items]
Contingent consideration liability resulting from acquisition		400,000
Contingent consideration included in earnings	$ 400,000