Commitments and Contingencies (Details)	0 Months Ended	6 Months Ended
Jun. 28, 2013 item	Jun. 29, 2013
Commitments and Contingencies
Maximum period for purchase commitments for certain ingredients, packaging materials and energy		12 months
Number of new plaintiffs under the legal proceedings	2

Number of plaintiffs that have filed claims pertaining to a loss contingency.

No definition available.

Name:	us-gaap_LossContingencyNumberOfPlaintiffs
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration