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Impairment of Long-Lived Assets, Dallas Wafer Fab Closure (Details) (USD $)
In Millions
12 Months Ended
Jun. 25, 2011
Jun. 26, 2010
Jun. 27, 2009
Change in Accounting Estimate [Line Items]      
Additional depreciation expense recognized $ 156.3 $ 146.1 $ 191.1
Service Life [Member] | Dallas Wafer Fab Closure [Member]
     
Change in Accounting Estimate [Line Items]      
Additional depreciation expense recognized     $ 54.7