Quarterly report pursuant to Section 13 or 15(d)

Financial Instruments (Details) (Quantitative Information about Level 3 Fair Value Measurements)

v2.4.0.6
Financial Instruments (Details) (Quantitative Information about Level 3 Fair Value Measurements)
Mar. 30, 2013
Dec. 29, 2012
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Discount rate for periodic interest payment 0.73% 0.84%
Discount rate for principle repayment 1.18% 1.31%
Liquidity discount 0.90% 0.90%
Minimum
    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Credit discounts 2.00% 2.00%
Estimated period (years) 17 years 17 years
Maximum
    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Credit discounts 12.00% 12.00%
Estimated period (years) 20 years 20 years