Note 4. Balance Sheet Components (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 29, 2013
Dec. 30, 2012
Dec. 25, 2011
Note 4. Balance Sheet Components (Details) [Line Items]      
Cash, Cash Equivalents, and Short-term Investments $ 311.5 $ 313.9  
Depreciation 51.6 67.3 124.9
Cash Available Inside the USA [Member]
     
Note 4. Balance Sheet Components (Details) [Line Items]      
Cash, Cash Equivalents, and Short-term Investments 298.3 303.1  
Outside The United States Of America [Member]
     
Note 4. Balance Sheet Components (Details) [Line Items]      
Cash, Cash Equivalents, and Short-term Investments $ 13.2 $ 10.8