Related Party Transactions - Summary of Significant Transactions between Company and The Coca-Cola Company (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jul. 01, 2018	Jun. 30, 2019	Jul. 01, 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	$ 344,841	$ 328,689	$ 611,484	571,157
Customer marketing programs	39,221	41,475	72,513	76,057
Cold drink equipment parts	7,067	8,089	14,049	14,230
Marketing funding support payments	26,311	22,656	49,023	42,693
Fountain delivery and equipment repair fees	9,885	10,353	20,634	19,700
Presence marketing funding support on the Company’s behalf	4,502	4,614	4,937	5,095
Facilitating the distribution of certain brands and packages to other Coca-Cola bottlers	$ 1,351	4,256	$ 2,350	8,124
Cold drink equipment		$ 3,789		$ 3,789