XML 44 R33.htm IDEA: XBRL DOCUMENT v3.5.0.2
Debt - Bank Credit Lines (Details) - USD ($)
$ in Millions
 9 Months Ended
Sep. 24, 2016
Dec. 26, 2015
Line of Credit Facility [Line Items]    
Weighted average interest rate on borrowings under credit lines at period end (in hundredths) 1.41% 1.21%
Revolving credit facility [Member]    
Line of Credit Facility [Line Items]    
Line of Credit Facility, Initiation Date Sep. 12, 2012  
Revolving credit facility borrowing capacity $ 500.0  
Additional credit available under expansion feature of revolving credit facility $ 200.0  
Revolving credit facility expiration date Sep. 22, 2019  
Line of credit facility, amount outstanding $ 0.0 $ 40.0
Outstanding letters of credit provided to third parties 13.4 11.4
Various other short-term bank credit lines [Member]    
Line of Credit Facility [Line Items]    
Line of credit facility, amount outstanding $ 333.1 $ 288.6