Restructuring Activities (Details) (USD $)	12 Months Ended								3 Months Ended			12 Months Ended	3 Months Ended
	Jun. 25, 2011	Jun. 26, 2010	Jun. 27, 2009	Jun. 26, 2010 Ireland Sales Operations Restructuring [Member]	Jun. 26, 2010 Shutdown of Dallas Wafer Fabrication Facility [Member]	Jun. 27, 2009 San Jose Fab Rampdown [Member]	Jun. 27, 2009 Dallas Fab Closure [Member]	Jun. 27, 2009 Test Operation Cost Reduction [Member]	Dec. 27, 2008 Cost Reduction of Business Units [Member]	Mar. 28, 2009 Cost Reduction of Business Units [Member] International Employees [Member]	Dec. 27, 2008 Cost Reduction of Business Units [Member] Domestic Employees [Member]	Jun. 27, 2009 Cost Reduction of Selling General and Administrative Groups [Member]	Mar. 28, 2009 Cost Reduction in Domestic Manufacturing and Support Functions [Member]	Mar. 28, 2009 Cost Reduction in Domestic Manufacturing and Support Functions [Member] Fab Employees [Member]	Mar. 28, 2009 Cost Reduction in Domestic Manufacturing and Support Functions [Member] Other Employees [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 1,247,000	$ (699,000)	$ 28,124,000
Number of positions eliminated						78		95	128			44	382	189	193
Severance and benefits costs						2,100,000	3,100,000	3,400,000		600,000	6,100,000	1,700,000	11,300,000
Restructuring Costs				3,000,000	1,600,000
Lease impairment costs			500,000
Restructuring Reserve [Roll Forward]
Balance	748,000	7,694,000
Restructuring accrual	3,007,000	4,558,000
Cash payments	(3,640,000)	(6,247,000)
Changes in estimates		(5,257,000)	(4,600,000)
Balance	$ 115,000	$ 748,000	$ 7,694,000