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. 30, 2018	Dec. 31, 2017	Jan. 01, 2017
Coke Bottle Can Sales Volume Product [Member] | Product Concentration Risk [Member]
Concentration Risk [Line Items]
Concentration risk, percentage	30.00%	29.00%	26.00%
Sales Revenue, Net [Member] | Customer Concentration Risk [Member]
Concentration Risk [Line Items]
Concentration risk, percentage	22.00%	20.00%	19.00%
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%	19.00%	20.00%
Wal-Mart Stores, Inc. [Member] | Sales Revenue, Net [Member] | Customer Concentration Risk [Member]
Concentration Risk [Line Items]
Concentration risk, percentage	14.00%	13.00%	14.00%
The Kroger Company [Member] | Coke Bottle Can Sales Volume Product [Member] | Product Concentration Risk [Member]
Concentration Risk [Line Items]
Concentration risk, percentage	11.00%	10.00%	6.00%
The Kroger Company [Member] | Sales Revenue, Net [Member] | Customer Concentration Risk [Member]
Concentration Risk [Line Items]
Concentration risk, percentage	8.00%	7.00%	5.00%