Piedmont Coca-Cola Bottling Partnership - Additional Information (Detail)	Sep. 28, 2014	Dec. 29, 2013	Sep. 29, 2013
Noncontrolling Interest [Abstract]
Minority interest	22.70%	22.70%	22.70%

The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

No definition available.

Name:	us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant