v2.4.0.6
Marketable Securities (Amortized Cost and Estimated Fair Value of Marketable Securities by Contractual Maturity) (Details) (USD $)
In Thousands, unless otherwise specified
Sep. 28, 2013
Dec. 29, 2012
Cost    
Due in one year or less $ 136,835  
Due after one year through five years 688,846  
Due after five years through ten years 257,244  
Due after ten years 621,050  
Other (No contractual maturity dates) 58,884  
Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, Total 1,762,859  
Estimated Fair Value    
Due in one year or less 134,253  
Due after one year through five years 686,299  
Due after five years through ten years 249,112  
Due after ten years 592,932  
Other (No contractual maturity dates) 65,801  
Estimated Fair Value (Net Carrying Amount) $ 1,728,397 $ 1,641,395