Acquisitions (Details) (USD $)	12 Months Ended															12 Months Ended							12 Months Ended							12 Months Ended						12 Months Ended
	Jun. 30, 2012		Jun. 25, 2011		Jun. 26, 2010	Jun. 30, 2012 Intellectual property [Member] years	Jun. 25, 2011 Intellectual property [Member] years	Jun. 30, 2012 Customer relationships [Member] years	Jun. 25, 2011 Customer relationships [Member] years	Jun. 25, 2011 Backlog [Member] years	Jun. 30, 2012 Trademarks [Member] years	Jun. 25, 2011 Trademarks [Member] years	Jun. 25, 2011 Phyworks [Member]		Sep. 07, 2010 Phyworks [Member]	Jun. 25, 2011 Phyworks [Member] Intellectual property [Member] years	Jun. 25, 2011 Phyworks [Member] Customer relationships [Member] years	Jun. 25, 2011 Phyworks [Member] Backlog [Member] years	Jun. 25, 2011 Phyworks [Member] Trademarks [Member] years	Jun. 25, 2011 Other Acquisitions [Member] acquisitions		Jun. 30, 2012 Other Acquisitions [Member]	Jun. 25, 2011 Other Acquisitions [Member] Intellectual property [Member] years	Jun. 25, 2011 Other Acquisitions [Member] Customer relationships [Member] years	Jun. 25, 2011 Other Acquisitions [Member] Backlog [Member] years	Jun. 25, 2011 Other Acquisitions [Member] Trademarks [Member] years	Jun. 30, 2012 SensorDynamics [Member]		Jul. 18, 2011 SensorDynamics [Member]	Jun. 30, 2012 SensorDynamics [Member] Intellectual property [Member] years	Jun. 30, 2012 SensorDynamics [Member] Customer relationships [Member] years	Jun. 30, 2012 SensorDynamics [Member] Trademarks [Member] years	Jun. 30, 2012 Other Acquisition [Member]		Mar. 31, 2012 Other Acquisition [Member]	Jun. 30, 2012 Other Acquisition [Member] Intellectual property [Member] years	Jun. 30, 2012 Other Acquisition [Member] Customer relationships [Member] years	Jun. 30, 2012 Other Acquisition [Member] Trademarks [Member] years	May 11, 2010 Teridian [Member]	Feb. 18, 2009 Zilog [Member]	Dec. 29, 2008 Innova Card [Member]	Oct. 27, 2008 Mobilygen [Member]
Business Acquisition [Line Items]
Business Acquisition, Purchase Price Allocation, Goodwill, Expected Tax Deductible Amount															$ 0																								$ 0	$ 0	$ 0	$ 0
Acquired Finite-lived Intangible Asset, Weighted Average Useful Life						8.1	4.9	5.5	5.0	1.3	3.0	1.0				5.0	5.0	1.3	1.0				3.0	0.0	0.0	0.0				7.0	7.0	3.0				9.2	3.0	0.0
Business Acquisition, Purchase Price Allocation [Abstract]
Tangible assets acquired	19,851,000		6,338,000										5,676,000							662,000							18,692,000						1,159,000
Liabilities assumed			(18,342,000)										(17,524,000)							(818,000)
Business Acquisition Purchase Price Allocation Current And Non Current Debt	(29,078,000)																										(29,078,000)						0
Business Acquisition Purchase Price Allocation Other Liabilities Assumed	(42,288,000)																										(37,559,000)						(4,729,000)
Business Acquisition, Purchase Price Allocation, Net Tangible Liabilities	(51,515,000)		(12,004,000)										(11,848,000)							(156,000)							(47,945,000)						(3,570,000)
Amortizable intangible assets acquired	38,740,000		52,550,000			31,740,000	48,850,000	6,600,000	1,600,000	1,900,000	400,000	200,000	50,800,000			47,100,000	1,600,000	1,900,000	200,000	1,750,000			1,750,000	0	0	0	20,900,000			16,400,000	4,100,000	400,000	17,840,000			15,340,000	2,500,000	0
In-process research and development acquired	19,600,000		8,380,000										5,800,000							2,580,000							19,600,000						0
Goodwill acquired	168,986,000	[1]	40,793,000	[2]									26,606,000	[2]						14,187,000	[2]						130,594,000	[1]					38,392,000	[1]
Business Acquisition, Purchase Price Allocation, Assets Acquired (Liabilities Assumed), Net	175,811,000	[1]	89,719,000	[2]									71,358,000	[2]						18,361,000	[2]						123,149,000	[1]					52,662,000	[1]
Total purchase price																				8,200,000									123,100,000						41,300,000
Cash acquired																				400,000
Research and development expense recognized	1,600,000		0		0
Business Acquisition, Cost of Acquired Entity [Abstract]
Potential additional consideration in cash or stock																				8,800,000															11,400,000
Business Acquisition, Contingent Consideration, Potential Cash Payment																				12,500,000															16,000,000
Number of Businesses Acquired																				2
Business acquisition,cash paid for contingent consideration																						$ 4,100,000

[1] Includes $11.4 million of contingent consideration relating to the other acquisitions

[2] Includes $8.8 million of contingent consideration relating to one of the other acquisitions