Acquisitions and Divestitures - Summary of Fair Value of Acquired Assets and Assumed Liabilities as of Acquisition Date (Detail) - USD ($) $ in Thousands	Jan. 01, 2017	Oct. 28, 2016	Apr. 29, 2016	Apr. 01, 2016	Jan. 29, 2016	Jan. 03, 2016	Oct. 30, 2015	May 01, 2015	Feb. 27, 2015	Jan. 30, 2015	Dec. 28, 2014
Business Acquisition [Line Items]
Goodwill	$ 144,586					$ 117,954					$ 106,220
Current liabilities (acquisition related contingent consideration)	15,782					7,902
Other liabilities (acquisition related contingent consideration)	237,655					128,668
Cleveland and Cookeville, Tennessee Territory Acquisitions [Member]
Business Acquisition [Line Items]
Cash										$ 59
Inventories										1,238
Prepaid expenses and other current assets										714
Accounts receivable from The Coca-Cola Company										322
Property, plant and equipment										6,291
Other assets (including deferred taxes)										336
Goodwill										1,388
Other identifiable intangible assets										12,950
Total acquired assets										23,298
Current liabilities (acquisition related contingent consideration)										843
Other current liabilities										125
Other liabilities (acquisition related contingent consideration)										9,131
Total assumed liabilities										$ 10,099
Louisville, Kentucky and Evansville, Indiana [Member]
Business Acquisition [Line Items]
Cash									$ 105
Inventories									1,268
Prepaid expenses and other current assets									1,108
Accounts receivable from The Coca-Cola Company									740
Property, plant and equipment									15,656
Other assets (including deferred taxes)									1,352
Goodwill									1,520
Other identifiable intangible assets									20,350
Total acquired assets									42,099
Current liabilities (acquisition related contingent consideration)									1,659
Other current liabilities									974
Other liabilities									823
Other liabilities (acquisition related contingent consideration)									20,625
Total assumed liabilities									$ 24,081
Paducah And Pikeville Kentucky Territory Acquisitions [Member]
Business Acquisition [Line Items]
Cash								$ 45
Inventories								1,045
Prepaid expenses and other current assets								224
Accounts receivable from The Coca-Cola Company								294
Property, plant and equipment								6,210
Other assets (including deferred taxes)								494
Goodwill								1,027
Other identifiable intangible assets								1,700
Total acquired assets								11,039
Current liabilities (acquisition related contingent consideration)								281
Other current liabilities								494
Other liabilities								10
Other liabilities (acquisition related contingent consideration)								2,748
Total assumed liabilities								3,533
Norfolk, Fredericksburg and Staunton, Virginia; and Elizabeth City, North Carolina Territory Acquisitions [Member]
Business Acquisition [Line Items]
Cash							$ 160
Inventories							2,563
Prepaid expenses and other current assets							1,306
Accounts receivable from The Coca-Cola Company							824
Property, plant and equipment							24,832
Other assets (including deferred taxes)							4,392
Goodwill							6,723
Other identifiable intangible assets							49,100
Total acquired assets							89,900
Current liabilities (acquisition related contingent consideration)							547
Other current liabilities							4,222
Other liabilities (acquisition related contingent consideration)							58,925
Total assumed liabilities							63,694
Annapolis, Maryland Make Ready Center Acquisition [Member]
Business Acquisition [Line Items]
Inventories							109
Property, plant and equipment							8,492
Total acquired assets							8,601
Other liabilities							1,265
Total assumed liabilities							$ 1,265
2015 Acquisition [Member]
Business Acquisition [Line Items]
Cash						369
Inventories						6,223
Prepaid expenses and other current assets						3,352
Accounts receivable from The Coca-Cola Company						2,180
Property, plant and equipment						61,481
Other assets (including deferred taxes)						6,574
Goodwill						10,658
Other identifiable intangible assets						84,100
Total acquired assets						174,937
Current liabilities (acquisition related contingent consideration)						3,330
Other current liabilities						5,815
Other liabilities						2,098
Other liabilities (acquisition related contingent consideration)						91,429
Total assumed liabilities						$ 102,672
Lexington Exchange Transaction [Member]
Business Acquisition [Line Items]
Cash								56
Inventories								2,231
Prepaid expenses and other current assets								345
Accounts receivable from The Coca-Cola Company								362
Property, plant and equipment								12,216
Other assets (including deferred taxes)								48
Goodwill								1,856
Other identifiable intangible assets								1,100
Total acquired assets								41,914
Current liabilities								926
Lexington Exchange Transaction [Member] | Franchise rights [Member]
Business Acquisition [Line Items]
Franchise rights								$ 23,700
Easton and Salisbury Maryland and Richmond, and Yorktown Virginia, and Sandston, Virginia Regional Manufacturing Facility Acquisitions [Member]
Business Acquisition [Line Items]
Cash					$ 179
Inventories					10,159
Prepaid expenses and other current assets					2,775
Accounts receivable from The Coca-Cola Company					1,135
Property, plant and equipment					46,149
Other assets (including deferred taxes)					2,351
Goodwill					9,388
Other identifiable intangible assets					1,300
Total acquired assets					73,436
Current liabilities (acquisition related contingent consideration)					361
Other current liabilities					591
Accounts payable to The Coca-Cola Company					650
Other liabilities (acquisition related contingent consideration)					6,144
Total assumed liabilities					$ 7,746
Alexandria, Virginia and Capitol Heights and La Plata, Maryland Acquisitions [Member]
Business Acquisition [Line Items]
Cash				$ 219
Inventories				3,748
Prepaid expenses and other current assets				1,945
Accounts receivable from The Coca-Cola Company				1,176
Property, plant and equipment				54,135
Other assets (including deferred taxes)				1,536
Goodwill				1,956
Total acquired assets				64,715
Current liabilities (acquisition related contingent consideration)				742
Other current liabilities				4,231
Other liabilities				266
Other liabilities (acquisition related contingent consideration)				23,924
Total assumed liabilities				$ 29,163
Baltimore, Hagerstown and Cumberland Maryland, and Silver Spring and Baltimore, Maryland Regional Manufacturing Facilities Acquisitions [Member]
Business Acquisition [Line Items]
Cash			$ 161
Inventories			13,850
Prepaid expenses and other current assets			3,774
Accounts receivable from The Coca-Cola Company			1,140
Property, plant and equipment			58,679
Other assets (including deferred taxes)			5,146
Goodwill			7,795
Other identifiable intangible assets			23,450
Total acquired assets			113,995
Current liabilities (acquisition related contingent consideration)			1,307
Other current liabilities			5,482
Other liabilities			2,635
Other liabilities (acquisition related contingent consideration)			35,561
Total assumed liabilities			$ 44,985
Cincinnati, Dayton, Lima and Portsmouth, Ohio and Louisa, Kentucky and Cincinnati, Ohio Regional Manufacturing Facility Acquisition [Member]
Business Acquisition [Line Items]
Cash		$ 150
Inventories		18,513
Prepaid expenses and other current assets		4,181
Accounts receivable from The Coca-Cola Company		1,253
Property, plant and equipment		68,130
Other assets (including deferred taxes)		666
Goodwill		7,133
Other identifiable intangible assets		66,500
Total acquired assets		166,526
Current liabilities (acquisition related contingent consideration)		3,318
Other current liabilities		7,165
Other liabilities		761
Other liabilities (acquisition related contingent consideration)		57,066
Total assumed liabilities		$ 68,310
2016 Acquisition [Member]
Business Acquisition [Line Items]
Cash	709
Inventories	46,270
Prepaid expenses and other current assets	12,675
Accounts receivable from The Coca-Cola Company	4,704
Property, plant and equipment	227,093
Other assets (including deferred taxes)	9,699
Goodwill	26,272
Other identifiable intangible assets	91,250
Total acquired assets	418,672
Current liabilities (acquisition related contingent consideration)	5,728
Other current liabilities	17,469
Accounts payable to The Coca-Cola Company	650
Other liabilities	3,662
Other liabilities (acquisition related contingent consideration)	122,695
Total assumed liabilities	$ 150,204