Commitments and Contingencies - Additional Information (Detail)	12 Months Ended
	Dec. 31, 2020 USD ($) product	Dec. 29, 2019 USD ($) product	Dec. 30, 2018 USD ($) product
Loss Contingencies [Line Items]
Letters of credit totaled	$ 37,600,000	$ 35,600,000
Long-term marketing contractual arrangements	$ 164,900,000
Southeastern
Loss Contingencies [Line Items]
Purchase requirements of plastic bottles	80.00%
SAC
Loss Contingencies [Line Items]
Cases of finished product obligated to purchase on an annual basis | product	17,500,000
Purchased number of cases finished product from SAC | product	28,300,000	29,400,000	29,200,000
Debt guarantee for related party	$ 14,700,000	$ 14,700,000
Impairment of investment	$ 0	$ 0	$ 0