Related Party Transactions - Summary of Significant Transactions between Company and The Coca-Cola Company (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 30, 2018	Dec. 31, 2017	Jan. 01, 2017
Related Party Transaction [Line Items]
Glacéau distribution agreement consideration		$ 15,598
Legacy Facilities Credit (excluding portion related to Mobile, Alabama facility)	$ 1,320	30,647
Portion of Legacy Facilities Credit related to Mobile, Alabama facility		12,364
Cold drink equipment	3,789	8,400
The Coca-Cola Company [Member]
Related Party Transaction [Line Items]
Concentrate, syrup, sweetener and other purchases	1,188,818	1,085,898	$ 669,783
Customer marketing programs	145,019	139,542	116,537
Cold drink equipment parts	30,065	25,381	21,558
Glacéau distribution agreement consideration		15,598
Conversion of bottling agreements		91,450
Marketing funding support payments	86,483	83,177	73,513
Fountain delivery and equipment repair fees	40,023	35,335	27,624
Legacy Facilities Credit (excluding portion related to Mobile, Alabama facility)	1,320	30,647
Portion of Legacy Facilities Credit related to Mobile, Alabama facility		12,364
Facilitating the distribution of certain brands and packages to other Coca-Cola bottlers	9,683	10,474	7,193
Cold drink equipment	3,789	8,400
Presence marketing funding support on the Company’s behalf	$ 8,311	$ 4,843	$ 2,064