Related Party Transactions - Additional Information (Detail)		3 Months Ended	6 Months Ended
	Oct. 30, 2015 USD ($)	Sep. 27, 2015 USD ($)	Jul. 03, 2016 USD ($) Entity	Jun. 28, 2015 USD ($)	Jan. 03, 2016 USD ($)
Related Party Transaction [Line Items]
Contingent consideration liability			$ 228,768,000	$ 94,068,000
Payments to related party			7,926,000	789,000
Accounts receivable from related party			$ 51,620,000	41,324,000	$ 28,564,000
Number of entities in which reporting entity is shareholder and purchases all plastic bottles | Entity			2
Capital contribution			$ 6,634,000
Annapolis, Maryland Make Ready Center Acquisition [Member]
Related Party Transaction [Line Items]
Business combination, consideration transferred	$ 5,300,000
Bargain purchase gain	2,000,000
Deferred tax liability, bargain purchase gain	$ 1,300,000
The Coca-Cola Company [Member]
Related Party Transaction [Line Items]
Percentage of interest held in outstanding common stock by The Coca-Cola Company			35.00%
Voting power of stock held by The Coca-Cola Company			5.00%
Purchases from related party			$ 308,200,000	231,800,000
Gain on sale of business		$ 22,700,000
CCR [Member] | Tum-E Yummies [Member]
Related Party Transaction [Line Items]
Sales to related parties				11,100,000
CCR [Member] | Transportation [Member]
Related Party Transaction [Line Items]
Sales to related parties			11,500,000	6,700,000
CCR [Member] | Production Agreement [Member]
Related Party Transaction [Line Items]
Sales to related parties			32,500,000	17,300,000
Purchases from related party			139,500,000	94,100,000
CCR [Member] | Comprehensive Beverage Agreement [Member]
Related Party Transaction [Line Items]
Contingent consideration liability			228,768,000	94,068,000	136,570,000
Payments to related party			7,926,000	789,000
CCBSS [Member]
Related Party Transaction [Line Items]
Payments to CCBSS as administration fees for its services			500,000	200,000
Accounts receivable from related party			6,400,000	4,900,000	5,900,000
SAC [Member]
Related Party Transaction [Line Items]
Sales to related parties			4,600,000	3,900,000
Purchases from related party			75,700,000	68,700,000
Management fees earned from SAC			1,100,000	900,000
Related party debt guarantee			23,900,000
Equity investment			4,100,000	4,100,000	4,100,000
SAC and Southeastern [Member]
Related Party Transaction [Line Items]
Purchases from related party			42,400,000	37,800,000
Related party debt guarantee			32,500,000	33,700,000	30,600,000
Collateral assets held against Southeastern or SAC guarantees			0
Impairment of investments			0	0
Southeastern [Member]
Related Party Transaction [Line Items]
Related party debt guarantee			8,600,000
Equity investment			$ 18,200,000	18,300,000	18,300,000
HLP, SPC & Adjacent Sales Facility [Member]
Related Party Transaction [Line Items]
Lease expiration date			Dec. 31, 2020
Principal balance outstanding under capital lease			$ 16,100,000	18,800,000	17,500,000
Rental payments related to the lease			$ 2,000,000	1,900,000
Beacon [Member]
Related Party Transaction [Line Items]
Lease expiration date			Dec. 31, 2021
Principal balance outstanding under capital lease			$ 16,800,000	19,400,000	$ 18,100,000
Rental payments related to the lease			2,200,000	$ 2,100,000
CONA [Member]
Related Party Transaction [Line Items]
Capital contribution			$ 6,600,000
Percentage interest in subsidiary			19.00%
Service fees			$ 3,200,000