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Piedmont Coca-Cola Bottling Partnership - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 29, 2013
Dec. 30, 2012
Jan. 01, 2012
Noncontrolling Interest [Abstract]      
Minority interest 22.70% 22.70% 22.70%
Subsidiary's intercompany interest rate over the Company's average rate 0.50%    
Amounts outstanding under financing agreement with subsidiary $ 0 $ 0 $ 17.8