Commitments and Contingencies - Narrative (Details) case in Millions	3 Months Ended	9 Months Ended		12 Months Ended
	Sep. 26, 2025 USD ($) case	Sep. 26, 2025 USD ($) case	Sep. 27, 2024 case	Dec. 31, 2024 USD ($)
Loss Contingencies [Line Items]
Letters of credit totaled	$ 47,500,000	$ 47,500,000		$ 39,000,000
Long-term marketing contractual arrangements	$ 141,600,000			135,500,000
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 | case	16.0	16.0
Purchased number of cases, finished product from SAC | case		20.4	19.0
Impairment of investment	$ 0			$ 0