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
	Apr. 02, 2021	Mar. 29, 2020
Payments made by the Company to The Coca‑Cola Company for:
Concentrate, syrup, sweetener, finished products, and other purchases	$ 307,425	$ 287,707
Customer marketing programs	32,694	32,991
Cold drink equipment parts	5,036	6,341
Brand investment programs	4,190	3,262
Payments made by The Coca‑Cola Company to the Company for:
Marketing funding support payments	18,351	21,546
Fountain delivery and equipment repair fees	8,818	9,090
Facilitating the distribution of certain brands and packages	2,508	1,157
Presence marketing funding support on the Company’s behalf	$ 0	$ 1,735