Acquisitions (Details) (USD $)	12 Months Ended																			3 Months Ended					12 Months Ended
	Jun. 25, 2011		Jun. 26, 2010	Jun. 27, 2009	Jul. 18, 2011 Acquisition [Member] SensorDynamics [Member]	May 31, 2011 Calvatec [Member]	Sep. 07, 2010 Phyworks [Member]	Sep. 07, 2010 Phyworks [Member] Backlog [Member]	Sep. 07, 2010 Phyworks [Member] Intellectual property [Member]	Sep. 07, 2010 Phyworks [Member] Customer relationships [Member]	Sep. 07, 2010 Phyworks [Member] Tradename [Member]	May 11, 2010 Teridian [Member]	May 11, 2010 Teridian [Member] Backlog [Member]	May 11, 2010 Teridian [Member] Intellectual property [Member]	May 11, 2010 Teridian [Member] Customer relationships [Member]	May 11, 2010 Teridian [Member] Tradename [Member]	Feb. 18, 2009 Zilog [Member]	Feb. 18, 2009 Zilog [Member] Backlog [Member]	Feb. 18, 2009 Zilog [Member] Customer relationships [Member]	Jun. 27, 2009 Innova Card [Member]	Dec. 29, 2008 Innova Card [Member]	Dec. 29, 2008 Innova Card [Member] Backlog [Member]	Dec. 29, 2008 Innova Card [Member] Intellectual property [Member]	Dec. 29, 2008 Innova Card [Member] Customer relationships [Member]	Jun. 27, 2009 Mobilygen [Member]	Oct. 27, 2008 Mobilygen [Member]	Oct. 27, 2008 Mobilygen [Member] Backlog [Member]	Oct. 27, 2008 Mobilygen [Member] Intellectual property [Member]	Oct. 27, 2008 Mobilygen [Member] Customer relationships [Member]	Oct. 27, 2008 Mobilygen [Member] Tradename [Member]
Business Acquisition, Purchase Price Allocation [Abstract]
Net tangible assets acquired	$ (11,500,000)
Amortizable intangible assets acquired	52,600,000							1,900,000	47,100,000	1,600,000	300,000		4,300,000	85,600,000	44,700,000	1,000,000		500,000	12,900,000			200,000	5,300,000	3,000,000			200,000	14,700,000	4,200,000	400,000
In-process research and development acquired	6,000,000						5,800,000					3,100,000
Goodwill acquired	42,600,000	[1]					26,100,000					196,600,000					6,300,000				4,200,000					2,200,000
Total purchase price	89,700,000	[1]			130,000,000	8,200,000	76,000,000					314,900,000					22,600,000				13,500,000					33,500,000
Net working capital acquired																					600,000
Cash acquired						400,000	4,600,000					2,100,000
Accounts receivable acquired							1,200,000					7,300,000
Inventories acquired							2,900,000					14,000,000					2,900,000
Prepaid expenses and other current assets acquired							100,000					2,700,000
Fixed assets acquired							400,000					2,100,000									200,000
Tangible assets acquired																										1,500,000
Accounts payable and accrued liabilities acquired							3,800,000					14,100,000
Deferred tax assets acquired												13,800,000
Deferred tax liabilities acquired							12,200,000					48,300,000
Deferred tax assets (liabilities) acquired																										7,800,000
Liabilities assumed					34,000,000																					4,200,000
Long-term debt assumed																										2,700,000
Research and development expense recognized	0		0	3,900,000																					3,900,000
Business Acquisition, Cost of Acquired Entity [Abstract]
Cash paid																	21,700,000									33,000,000
Equity issued																					8,100,000
Debt repayment																					1,100,000
Future payments																					3,800,000
Legal and related acquisition costs																	900,000				500,000					500,000
Additional payment to shareholders for working capital																				1,100,000
Potential additional consideration in cash or stock						8,800,000
Business Acquisition, Contingent Consideration, Potential Cash Payment						12,500,000
Goodwill amount expected to be deductible for tax purposes							$ 0					$ 0					$ 6,300,000				$ 0					$ 0

[1] Includes $8.8 million of contingent consideration relating to the Calvatec acquisition.