Risks and Uncertainties - Summary of Percentage of Total Bottle/Can Sales Volume and Percentage Total Net Sales to Its Largest Customers (Detail)	12 Months Ended
	Dec. 31, 2017	Jan. 01, 2017	Jan. 03, 2016
Coke Bottle Can Sales Volume Product [Member] | Product Concentration Risk [Member]
Concentration Risk [Line Items]
Concentration risk, percentage	35.00%	34.00%	35.00%
Sales Revenue, Net [Member] | Customer Concentration Risk [Member]
Concentration Risk [Line Items]
Concentration risk, percentage	24.00%	24.00%	25.00%
Wal-Mart Stores, Inc. [Member] | Coke Bottle Can Sales Volume Product [Member] | Product Concentration Risk [Member]
Concentration Risk [Line Items]
Concentration risk, percentage	19.00%	20.00%	22.00%
Wal-Mart Stores, Inc. [Member] | Sales Revenue, Net [Member] | Customer Concentration Risk [Member]
Concentration Risk [Line Items]
Concentration risk, percentage	13.00%	14.00%	15.00%
The Kroger Company [Member] | Coke Bottle Can Sales Volume Product [Member] | Product Concentration Risk [Member]
Concentration Risk [Line Items]
Concentration risk, percentage	10.00%	6.00%	6.00%
The Kroger Company [Member] | Sales Revenue, Net [Member] | Customer Concentration Risk [Member]
Concentration Risk [Line Items]
Concentration risk, percentage	7.00%	5.00%	5.00%
Food Lion, LLC [Member] | Coke Bottle Can Sales Volume Product [Member] | Product Concentration Risk [Member]
Concentration Risk [Line Items]
Concentration risk, percentage	6.00%	8.00%	7.00%
Food Lion, LLC [Member] | Sales Revenue, Net [Member] | Customer Concentration Risk [Member]
Concentration Risk [Line Items]
Concentration risk, percentage	4.00%	5.00%	5.00%