Piedmont Coca-Cola Bottling Partnership - Additional Information (Detail) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2020	Dec. 29, 2019	Dec. 30, 2018	Dec. 08, 2020
Noncontrolling Interest [Line Items]
Payments to Noncontrolling Interests	$ 100,000	$ 0	$ 0
Noncontrolling interest income	9,604	7,185	$ 4,774
Noncontrolling interest	$ 0	$ 104,164
Piedmont Coca-Cola Bottling Partnership
Noncontrolling Interest [Line Items]
Minority interest	22.70%			22.70%

Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which is directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent (that is, noncontrolling interest, previously referred to as minority interest).

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