Risks and Uncertainties - Additional Information (Detail)	9 Months Ended			12 Months Ended	3 Months Ended	9 Months Ended	3 Months Ended	9 Months Ended
	Sep. 28, 2014 Customer Supplier Entity	Sep. 29, 2013 Customer	Sep. 28, 2014 Collective Bargaining Agreements [Member]	Dec. 29, 2013 Collective Bargaining Arrangements Expired in 2013 [Member] Agreement	Jun. 29, 2014 Collective Bargaining Arrangements Expiring in Third Quarter of 2014 [Member]	Sep. 28, 2014 Collective Bargaining Arrangements Expiring in Third Quarter of 2014 [Member]	Jun. 29, 2014 Collective Bargaining Arrangements Expired in Second Quarter of 2014 [Member] Agreement	Sep. 28, 2014 Collective Bargaining Arrangements Expiring in Second Half of 2014 [Member] Agreement	Sep. 28, 2014 Wal-Mart [Member]	Sep. 29, 2013 Wal-Mart [Member]	Sep. 28, 2014 Food Lion [Member]	Sep. 29, 2013 Food Lion [Member]
Concentration Risk [Line Items]
Concentration risk percentage of related party products volume to customers	89.00%
Concentration risk percentage of other beverage companies	11.00%
Future consumption	68.00%	68.00%
Immediate consumption	32.00%	32.00%
Bottle and can volume to retail customers									22.00%	21.00%	9.00%	8.00%
Concentration risk major customer sales									15.00%	14.00%
Number of other concentration risk major customers representing more than ten percent of sales	0	0
Number of domestic supplier of aluminum cans	2
Number of entities in which reporting entity is shareholder and purchases majority plastic bottles	2
Concentration risk percentage of employees covered by collective bargaining agreements			6.00%
Concentration risk percentage of employees covered by collective bargaining agreements expired during fiscal year and new agreements entered into during the fiscal year				0.70%	1.00%	4.00%
Concentration of risk number of collective bargaining agreements				2			1	1