Related Party Transactions - Summary of Significant Transactions between Company and The Coca-Cola Company (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Jan. 01, 2017	Jan. 03, 2016
Related Party Transaction [Line Items]
Glacéau distribution agreement consideration	$ 15,598
Conversion of bottling agreements	91,450
Legacy Facilities Credit (excluding portion related to Mobile, Alabama facility)	30,647
Portion of Legacy Facilities Credit related to Mobile, Alabama facility	12,364
Cold drink equipment	8,400
The Coca-Cola Company [Member]
Related Party Transaction [Line Items]
Concentrate, syrup, sweetener and other purchases	1,085,898	$ 669,783	$ 482,673
Customer marketing programs	139,542	116,537	70,754
Cold drink equipment parts	25,381	21,558	16,260
Glacéau distribution agreement consideration	15,598
Conversion of bottling agreements	91,450
Marketing funding support payments	83,177	73,513	56,284
Fountain delivery and equipment repair fees	35,335	27,624	17,400
Legacy Facilities Credit (excluding portion related to Mobile, Alabama facility)	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	10,474	7,193	4,670
Cold drink equipment	8,400
Presence marketing funding support on the Company’s behalf	$ 4,843	$ 2,064	$ 2,415