Acquisitions and Divestitures - Summary of Fair Values of Acquired Assets and Assumed Liabilities as of Acquisition Date (Detail) - USD ($) $ in Thousands	Sep. 27, 2015	May. 01, 2015	Feb. 27, 2015	Jan. 30, 2015	Dec. 28, 2014	Oct. 24, 2014	Sep. 28, 2014	May. 23, 2014
Business Acquisition [Line Items]
Accounts receivable from The Coca-Cola Company	$ 42,349				$ 22,741		$ 33,074
Franchise rights	527,540				520,672		520,672
Goodwill	113,835				106,220		103,294
Accounts payable to The Coca-Cola Company	$ 85,890				$ 51,227		47,093
Johnson City And Morristown Territory Acquisition [Member]
Business Acquisition [Line Items]
Cash								$ 46
Inventories								1,150
Prepaid expenses and other current assets								548
Accounts receivable from The Coca-Cola Company								496
Property, plant and equipment								8,495
Other assets								142
Goodwill							600	557
Other identifiable intangible assets								13,800
Total acquired assets								25,234
Current liabilities								23
Accounts payable to The Coca-Cola Company								0
Other liabilities								473
Other liabilities (acquisition related contingent consideration)								11,564
Total assumed liabilities								13,065
Johnson City And Morristown Territory Acquisition [Member] | Contingent Consideration [Member]
Business Acquisition [Line Items]
Current liabilities								$ 1,005
Knoxville Tennessee Territory Acquisition [Member]
Business Acquisition [Line Items]
Cash						$ 108
Inventories						2,100
Prepaid expenses and other current assets						1,905
Accounts receivable from The Coca-Cola Company						0
Property, plant and equipment						17,229
Other assets						1,019
Goodwill						4,684	$ 4,700
Other identifiable intangible assets						37,400
Total acquired assets						64,445
Current liabilities						2,351
Accounts payable to The Coca-Cola Company						105
Other liabilities						796
Other liabilities (acquisition related contingent consideration)						27,834
Total assumed liabilities						33,512
Knoxville Tennessee Territory Acquisition [Member] | Contingent Consideration [Member]
Business Acquisition [Line Items]
Current liabilities						$ 2,426
Cleveland and Cookeville, Tennessee Territory Acquisitions [Member]
Business Acquisition [Line Items]
Cash				$ 59
Inventories				1,238
Prepaid expenses and other current assets				1,040
Property, plant and equipment				6,695
Other assets				435
Goodwill				1,238
Other identifiable intangible assets				17,750
Total acquired assets				28,455
Other current liabilities				125
Other liabilities				0
Other liabilities (acquisition related contingent consideration)				13,729
Total assumed liabilities				14,697
Cleveland and Cookeville, Tennessee Territory Acquisitions [Member] | Contingent Consideration [Member]
Business Acquisition [Line Items]
Current liabilities				$ 843
Louisville, Kentucky and Evansville, Indiana [Member]
Business Acquisition [Line Items]
Cash			$ 105
Inventories			1,268
Prepaid expenses and other current assets			1,748
Property, plant and equipment			16,574
Other assets			965
Goodwill			4,042
Other identifiable intangible assets			29,600
Total acquired assets			54,302
Other current liabilities			806
Other liabilities			992
Other liabilities (acquisition related contingent consideration)			31,052
Total assumed liabilities			34,509
Louisville, Kentucky and Evansville, Indiana [Member] | Contingent Consideration [Member]
Business Acquisition [Line Items]
Current liabilities			$ 1,659
Paducah And Pikeville Kentucky Territory Acquisitions [Member]
Business Acquisition [Line Items]
Cash		$ 45
Inventories		1,045
Prepaid expenses and other current assets		332
Property, plant and equipment		6,584
Other assets		422
Goodwill		952
Other identifiable intangible assets		1,700
Total acquired assets		11,080
Other current liabilities		524
Other liabilities		10
Other liabilities (acquisition related contingent consideration)		2,748
Total assumed liabilities		3,563
Paducah And Pikeville Kentucky Territory Acquisitions [Member] | Contingent Consideration [Member]
Business Acquisition [Line Items]
Current liabilities		281
Lexington Expansion [Member]
Business Acquisition [Line Items]
Cash		56
Inventories		2,712
Prepaid expenses and other current assets		447
Property, plant and equipment		12,682
Other assets		48
Franchise rights		18,200
Goodwill		2,533
Other identifiable intangible assets		1,000
Total acquired assets		37,678
Current liabilities		926
Total assumed liabilities		$ 926