Acquisitions and Divestitures - Summary of Fair Value of Acquired Assets and Assumed Liabilities of System Transformation Transactions that Closed during 2017, as of Acquisition Date (Detail) - USD ($) $ in Thousands	Apr. 01, 2018	Dec. 31, 2017	Oct. 02, 2017	Apr. 28, 2017	Apr. 02, 2017	Mar. 31, 2017	Jan. 27, 2017	Jan. 01, 2017
Business Acquisition [Line Items]
Goodwill	$ 170,262	$ 169,316			$ 149,383			$ 144,586
Current liabilities (acquisition related contingent consideration)	23,372	23,339
Other liabilities (acquisition related contingent consideration)	$ 345,432	357,952
Anderson, Fort Wayne, Lafayette, South Bend and Terre Haute, Indiana Expansion Territories Acquisitions [Member]
Business Acquisition [Line Items]
Cash							$ 107
Inventories							5,953
Prepaid expenses and other current assets							1,155
Accounts receivable from The Coca-Cola Company							1,042
Property, plant and equipment							25,708
Other assets (including deferred taxes)							1,158
Goodwill							1,544
Total acquired assets							60,167
Current liabilities (acquisition related contingent consideration)							1,350
Other current liabilities							324
Other liabilities (acquisition related contingent consideration)							26,377
Other liabilities							43
Total assumed liabilities							28,094
Bloomington and Indianapolis, Indiana and Columbus and Mansfield, Ohio regional manufacturing facilities and Indianapolis and Portland, Indiana Expansion Facilities Acquisitions [Member]
Business Acquisition [Line Items]
Cash						$ 211
Inventories						20,952
Prepaid expenses and other current assets						5,117
Accounts receivable from The Coca-Cola Company						1,807
Property, plant and equipment						81,638
Other assets (including deferred taxes)						3,227
Goodwill						2,527
Total acquired assets						163,979
Current liabilities (acquisition related contingent consideration)						2,958
Other current liabilities						3,760
Other liabilities (acquisition related contingent consideration)						49,739
Other liabilities						2,953
Total assumed liabilities						59,410
Akron, Elyria, Toledo, Willoughby and Youngstown, Ohio Distribution Territories and Twinsburg, Ohio Regional Manufacturing Facility Acquisition [Member]
Business Acquisition [Line Items]
Cash				$ 103
Inventories				14,554
Prepaid expenses and other current assets				4,068
Accounts receivable from The Coca-Cola Company				2,552
Property, plant and equipment				52,263
Other assets (including deferred taxes)				3,960
Goodwill				17,154
Total acquired assets				115,154
Current liabilities (acquisition related contingent consideration)				1,475
Other current liabilities				2,860
Other liabilities (acquisition related contingent consideration)				25,616
Other liabilities				2,005
Total assumed liabilities				31,956
October 2017 Transactions Acquisitions [Member]
Business Acquisition [Line Items]
Cash			$ 191
Inventories			14,850
Prepaid expenses and other current assets			4,573
Accounts receivable from The Coca-Cola Company			2,391
Property, plant and equipment			70,645
Other assets (including deferred taxes)			1,300
Goodwill			15,588
Total acquired assets			239,238
Current liabilities (acquisition related contingent consideration)			1,458
Other current liabilities			8,311
Other liabilities (acquisition related contingent consideration)			18,848
Other liabilities			102
Total assumed liabilities			28,719
2017 System Transformation Transactions Acquisitions [Member]
Business Acquisition [Line Items]
Cash		612
Inventories		56,309
Prepaid expenses and other current assets		14,913
Accounts receivable from The Coca-Cola Company		7,792
Property, plant and equipment		230,254
Other assets (including deferred taxes)		9,645
Goodwill		36,813
Total acquired assets		578,538
Current liabilities (acquisition related contingent consideration)		7,241
Other current liabilities		15,255
Other liabilities (acquisition related contingent consideration)		120,580
Other liabilities		5,103
Total assumed liabilities		148,179
Distribution Agreements [Member] | Anderson, Fort Wayne, Lafayette, South Bend and Terre Haute, Indiana Expansion Territories Acquisitions [Member]
Business Acquisition [Line Items]
Other identifiable intangible assets							22,000
Distribution Agreements [Member] | Bloomington and Indianapolis, Indiana and Columbus and Mansfield, Ohio regional manufacturing facilities and Indianapolis and Portland, Indiana Expansion Facilities Acquisitions [Member]
Business Acquisition [Line Items]
Other identifiable intangible assets						46,750
Distribution Agreements [Member] | Akron, Elyria, Toledo, Willoughby and Youngstown, Ohio Distribution Territories and Twinsburg, Ohio Regional Manufacturing Facility Acquisition [Member]
Business Acquisition [Line Items]
Other identifiable intangible assets				19,500
Distribution Agreements [Member] | October 2017 Transactions Acquisitions [Member]
Business Acquisition [Line Items]
Other identifiable intangible assets			124,750
Distribution Agreements [Member] | 2017 System Transformation Transactions Acquisitions [Member]
Business Acquisition [Line Items]
Other identifiable intangible assets		213,000
Customer Lists [Member] | Anderson, Fort Wayne, Lafayette, South Bend and Terre Haute, Indiana Expansion Territories Acquisitions [Member]
Business Acquisition [Line Items]
Other identifiable intangible assets							$ 1,500
Customer Lists [Member] | Bloomington and Indianapolis, Indiana and Columbus and Mansfield, Ohio regional manufacturing facilities and Indianapolis and Portland, Indiana Expansion Facilities Acquisitions [Member]
Business Acquisition [Line Items]
Other identifiable intangible assets						$ 1,750
Customer Lists [Member] | Akron, Elyria, Toledo, Willoughby and Youngstown, Ohio Distribution Territories and Twinsburg, Ohio Regional Manufacturing Facility Acquisition [Member]
Business Acquisition [Line Items]
Other identifiable intangible assets				$ 1,000
Customer Lists [Member] | October 2017 Transactions Acquisitions [Member]
Business Acquisition [Line Items]
Other identifiable intangible assets			$ 4,950
Customer Lists [Member] | 2017 System Transformation Transactions Acquisitions [Member]
Business Acquisition [Line Items]
Other identifiable intangible assets		$ 9,200