Related Party Transactions - Summary of Significant Transactions between Company and The Coca-Cola Company (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 29, 2019	Sep. 30, 2018	Sep. 29, 2019	Sep. 30, 2018
Related Party Transaction [Line Items]
Cold drink equipment				$ 3,789
The Coca-Cola Company [Member]
Related Party Transaction [Line Items]
Concentrate, syrup, sweetener and other purchases	$ 306,588	$ 341,949	$ 893,123	904,244
Customer marketing programs	36,597	34,005	109,110	110,062
Cold drink equipment parts	4,519	7,958	18,568	22,188
Brand investment programs	3,616	2,546	10,209	6,440
Marketing funding support payments	25,931	22,632	74,954	65,325
Fountain delivery and equipment repair fees	10,873	10,199	31,507	29,899
Presence marketing funding support on the Company’s behalf	2,879	1,108	7,816	6,203
Facilitating the distribution of certain brands and packages to other Coca-Cola bottlers	$ 1,602	$ 1,937	$ 3,952	7,663
Cold drink equipment				$ 3,789