Related Party Transactions - Summary of Significant Transactions between Company and The Coca-Cola Company (Detail) - The Coca-Cola Company - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 27, 2020	Sep. 29, 2019	Sep. 27, 2020	Sep. 29, 2019
Payments made by the Company to The Coca‑Cola Company for:
Concentrate, syrup, sweetener and other purchases	$ 324,312	$ 306,588	$ 873,827	$ 893,123
Customer marketing programs	34,550	36,597	99,941	109,110
Cold drink equipment parts	5,965	4,519	16,345	18,568
Brand investment programs	4,359	3,616	11,609	10,209
Payments made by The Coca‑Cola Company to the Company for:
Marketing funding support payments	21,187	25,931	58,182	74,954
Fountain delivery and equipment repair fees	7,555	10,873	22,990	31,507
Presence marketing funding support on the Company’s behalf	565	2,879	6,445	7,816
Facilitating the distribution of certain brands and packages to other Coca‑Cola bottlers	$ 1,151	$ 1,602	$ 3,469	$ 3,952