Acquisitions and Divestitures - Additional Information (Detail) - USD ($)										3 Months Ended		12 Months Ended
	Oct. 28, 2016	Apr. 29, 2016	Apr. 01, 2016	Jan. 29, 2016	Oct. 30, 2015	Aug. 24, 2015	May 01, 2015	Feb. 27, 2015	Jan. 30, 2015	Jul. 03, 2016	Jun. 28, 2015	Jan. 01, 2017	Jan. 03, 2016	Dec. 28, 2014	Feb. 16, 2017
Business Acquisition [Line Items]
Bargain purchase gain													$ 2,011,000
Goodwill												$ 144,586,000	117,954,000	$ 106,220,000
Gain on exchange of franchise territory												(692,000)	8,807,000
Cash purchase												272,637,000	81,707,000	41,588,000
Transaction related expenses incurred												6,100,000	5,800,000	$ 5,300,000
Acquisition related contingent consideration in other liabilities												237,655,000	128,668,000
Glacéau Distribution Agreement												21,032,000
Gain on sale of business													$ 22,651,000
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | BYB Brands Inc [Member]
Business Acquisition [Line Items]
Cash purchase price on sale of brands						$ 26,400,000
Gain on sale of business						$ 22,700,000
Distribution Rights And Related Assets [Member]
Business Acquisition [Line Items]
Glacéau Distribution Agreement												$ 21,032,000
Johnson City And Morristown Territory Acquisition [Member] | CCR [Member]
Business Acquisition [Line Items]
Effective date of business acquisition														May 23, 2014
Johnson City And Morristown Territory Acquisition [Member] | Distribution Rights And Related Assets [Member]
Business Acquisition [Line Items]
Effective date of business acquisition														May 23, 2014
Knoxville Tennessee Territory Acquisition [Member] | CCR [Member]
Business Acquisition [Line Items]
Effective date of business acquisition														Oct. 24, 2014
Knoxville Tennessee Territory Acquisition [Member] | Distribution Rights And Related Assets [Member]
Business Acquisition [Line Items]
Effective date of business acquisition														Oct. 24, 2014
2014 Expansion Territories [Member] | CCR [Member]
Business Acquisition [Line Items]
Cash purchase														$ 43,100,000
Cleveland and Cookeville, Tennessee Territory Acquisitions [Member]
Business Acquisition [Line Items]
Goodwill									$ 1,388,000
Goodwill recognized, expected to be deductible for tax purposes									1,100,000
Acquisition related contingent consideration in other liabilities									9,131,000
Cleveland and Cookeville, Tennessee Territory Acquisitions [Member] | Nonalcoholic Beverages [Member]
Business Acquisition [Line Items]
Goodwill									1,388,000
Cleveland and Cookeville, Tennessee Territory Acquisitions [Member] | CCR [Member]
Business Acquisition [Line Items]
Effective date of business acquisition												Jan. 30, 2015
Cash purchase									$ 13,200,000
Louisville, Kentucky and Evansville, Indiana [Member]
Business Acquisition [Line Items]
Goodwill								$ 1,520,000
Goodwill recognized, expected to be deductible for tax purposes								0
Acquisition related contingent consideration in other liabilities								20,625,000
Louisville, Kentucky and Evansville, Indiana [Member] | Nonalcoholic Beverages [Member]
Business Acquisition [Line Items]
Goodwill								1,520,000
Louisville, Kentucky and Evansville, Indiana [Member] | CCR [Member]
Business Acquisition [Line Items]
Effective date of business acquisition													Feb. 27, 2015
Cash purchase								$ 18,000,000
Paducah And Pikeville Kentucky Territory Acquisitions [Member]
Business Acquisition [Line Items]
Goodwill							$ 1,027,000
Goodwill recognized, expected to be deductible for tax purposes							200,000
Acquisition related contingent consideration in other liabilities							2,748,000
Paducah And Pikeville Kentucky Territory Acquisitions [Member] | Nonalcoholic Beverages [Member]
Business Acquisition [Line Items]
Goodwill							1,027,000
Paducah And Pikeville Kentucky Territory Acquisitions [Member] | CCR [Member]
Business Acquisition [Line Items]
Effective date of business acquisition													May 01, 2015
Cash purchase							7,500,000
Norfolk, Fredericksburg and Staunton, Virginia; and Elizabeth City, North Carolina Territory Acquisitions [Member]
Business Acquisition [Line Items]
Goodwill					$ 6,723,000
Goodwill recognized, expected to be deductible for tax purposes					200,000
Acquisition related contingent consideration in other liabilities					58,925,000
Norfolk, Fredericksburg and Staunton, Virginia; and Elizabeth City, North Carolina Territory Acquisitions [Member] | Nonalcoholic Beverages [Member]
Business Acquisition [Line Items]
Goodwill					6,723,000
Norfolk, Fredericksburg and Staunton, Virginia; and Elizabeth City, North Carolina Territory Acquisitions [Member] | CCR [Member]
Business Acquisition [Line Items]
Effective date of business acquisition												Oct. 30, 2015
Cash purchase					26,700,000
Annapolis, Maryland Make Ready Center Acquisition [Member]
Business Acquisition [Line Items]
Effective date of business acquisition												Oct. 30, 2015
Cash purchase					5,400,000
Bargain purchase gain					2,011,000
Deferred tax liability, bargain purchase gain					$ 1,265,000
Lexington Exchange Transaction [Member]
Business Acquisition [Line Items]
Goodwill							1,856,000
Increase in net asset value after deducting retained assets and liabilities										$ 4,200,000
Decrease in gain on asset exchange transaction										$ 700,000
Lexington Exchange Transaction [Member] | Disposal Group, Disposed of by Means Other than Sale, Not Discontinued Operations, Exchange [Member] | Jackson, Tennessee Territory [Member]
Business Acquisition [Line Items]
Carrying value of assets exchanged											$ 17,500,000
Gain on exchange of franchise territory											$ 8,800,000
Lexington Exchange Transaction [Member] | Nonalcoholic Beverages [Member]
Business Acquisition [Line Items]
Goodwill							1,856,000
Lexington Exchange Transaction [Member] | CCR [Member]
Business Acquisition [Line Items]
Effective date of business acquisition												May 01, 2015
Net asset value after deducting retained assets and liabilities							$ 15,300,000
Easton and Salisbury Maryland and Richmond, and Yorktown Virginia, and Sandston, Virginia Regional Manufacturing Facility Acquisitions [Member]
Business Acquisition [Line Items]
Effective date of business acquisition												Jan. 29, 2016
Goodwill				$ 9,388,000
Goodwill recognized, expected to be deductible for tax purposes				5,900,000
Cash purchase				65,700,000
Accounts payable to the coca-cola company				650,000
Acquisition related contingent consideration in other liabilities				6,144,000
Easton and Salisbury Maryland and Richmond, and Yorktown Virginia, and Sandston, Virginia Regional Manufacturing Facility Acquisitions [Member] | Nonalcoholic Beverages [Member]
Business Acquisition [Line Items]
Goodwill				$ 9,388,000
Alexandria, Virginia and Capitol Heights and La Plata, Maryland Acquisitions [Member]
Business Acquisition [Line Items]
Goodwill			$ 1,956,000
Goodwill recognized, expected to be deductible for tax purposes			0
Acquisition related contingent consideration in other liabilities			23,924,000
Alexandria, Virginia and Capitol Heights and La Plata, Maryland Acquisitions [Member] | Nonalcoholic Beverages [Member]
Business Acquisition [Line Items]
Goodwill			1,956,000
Alexandria, Virginia and Capitol Heights and La Plata, Maryland Acquisitions [Member] | CCR [Member]
Business Acquisition [Line Items]
Effective date of business acquisition												Apr. 01, 2016
Cash purchase			$ 35,600,000
Baltimore, Hagerstown and Cumberland Maryland, and Silver Spring and Baltimore, Maryland Regional Manufacturing Facilities Acquisitions [Member]
Business Acquisition [Line Items]
Effective date of business acquisition												Apr. 29, 2016
Cash purchase		$ 69,000,000
Goodwill		7,795,000
Goodwill recognized, expected to be deductible for tax purposes		0
Acquisition related contingent consideration in other liabilities		35,561,000
Baltimore, Hagerstown and Cumberland Maryland, and Silver Spring and Baltimore, Maryland Regional Manufacturing Facilities Acquisitions [Member] | Nonalcoholic Beverages [Member]
Business Acquisition [Line Items]
Goodwill		$ 7,795,000
Cincinnati, Dayton, Lima and Portsmouth, Ohio and Louisa, Kentucky and Cincinnati, Ohio Regional Manufacturing Facility Acquisition [Member]
Business Acquisition [Line Items]
Effective date of business acquisition												Oct. 28, 2016
Cash purchase	$ 98,200,000
Goodwill	7,133,000
Goodwill recognized, expected to be deductible for tax purposes	13,100,000
Acquisition related contingent consideration in other liabilities	57,066,000
Cincinnati, Dayton, Lima and Portsmouth, Ohio and Louisa, Kentucky and Cincinnati, Ohio Regional Manufacturing Facility Acquisition [Member] | Nonalcoholic Beverages [Member]
Business Acquisition [Line Items]
Goodwill	$ 7,133,000
Asset Purchase Agreements [Member]
Business Acquisition [Line Items]
Contingent consideration liability range, low												$ 14,000,000
Contingent consideration liability range, high												25,000,000
Glaceau Distribution Termination Agreement [Member]
Business Acquisition [Line Items]
Acquisition related contingent consideration in other liabilities												5,400,000
Glacéau Distribution Agreement												$ 21,032,000
Glaceau Distribution Termination Agreement [Member] | Subsequent Event [Member]
Business Acquisition [Line Items]
Accounts payable to the coca-cola company															$ 15,600,000
Comprehensive Beverage Agreement [Member]
Business Acquisition [Line Items]
Agreement expiration period												10 years