v2.4.0.8
Debt - Credit Facilities (Details) (USD $)
12 Months Ended
Dec. 28, 2013
Sep. 11, 2012
Line of Credit Facility [Line Items]    
Weighted average interest rate on borrowings under credit lines at period end (in hundredths) 2.73%  
Revolving credit facility [Member]
   
Line of Credit Facility [Line Items]    
Revolving credit facility borrowing capacity $ 500,000,000 $ 400,000,000
Additional credit available under expansion feature of revolving credit facility 200,000,000 100,000,000
Revolving credit facility expiration date Sep. 12, 2017  
Outstanding letters of credit provided to third parties 10,100,000  
Line of credit facility, amount outstanding 0  
Various other short-term bank credit lines [Member]
   
Line of Credit Facility [Line Items]    
Line of credit facility, amount outstanding $ 29,500,000