Commitments and Contingencies - Additional Information (Detail)	3 Months Ended		12 Months Ended
	Apr. 02, 2021 USD ($) product	Mar. 29, 2020 product	Dec. 31, 2020 USD ($)
Loss Contingencies [Line Items]
Letters of credit totaled	$ 37,600,000		$ 37,600,000
Long-term marketing contractual arrangements	$ 155,700,000
Southeastern
Loss Contingencies [Line Items]
Purchase requirements of plastic bottles, percentage (at least)	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	7,200,000	7,700,000
Debt guarantee for related party	$ 14,700,000		14,700,000
Impairment of investment	$ 0		$ 0