Commitments and Contingencies - Additional Information (Detail)	9 Months Ended	12 Months Ended
Sep. 27, 2020 USD ($) product	Sep. 29, 2019 product	Dec. 29, 2019 USD ($)
Loss Contingencies [Line Items]
Letters of credit totaled	$ 37,600,000		$ 35,600,000
Long-term marketing contractual arrangements	$ 168,100,000
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	21,900,000	22,200,000
Debt guarantee for related party	$ 14,700,000		14,700,000
Impairment of investment	$ 0		$ 0

The amount of debt guarantied by the company for related parties of the company.

No definition available.

Name:	coke_DebtGuaranteeForRelatedParty
Namespace Prefix:	coke_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Minimum purchase percentage requirement of total plastic bottles purchased in certain territories.

+ References

No definition available.

+ Details

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Namespace Prefix:	coke_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The amount by which the fair value of an investment is less than the amortized cost basis or carrying amount of that investment at the balance sheet date and the decline in fair value is deemed to be other than temporary, before considering whether or not such amount is recognized in earnings or other comprehensive income.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 45
-Paragraph 8A
-URI http://asc.fasb.org/extlink&oid=118954083&loc=SL6284422-111562

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

+ Details

Name:	us-gaap_LettersOfCreditOutstandingAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The minimum amount the entity agreed to spend under the long-term purchase commitment.

+ References

No definition available.

+ Details

Name:	us-gaap_LongTermPurchaseCommitmentAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_LossContingenciesLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The minimum number of units that must be purchased, in connection with an unconditional purchase obligation that has not been recognized for financial reporting purposes.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant

- Definition

The number of units that have been purchased during the period, in connection with an unconditional purchase obligation that has not been recognized for financial reporting purposes.

+ References

No definition available.

+ Details

Name:	us-gaap_UnrecordedUnconditionalPurchaseObligationPeriodQuantityPurchased
Namespace Prefix:	us-gaap_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=coke_SoutheasternMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=coke_SouthAtlanticCannersMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: