Acquisitions and Divestitures - Summary of Fair Value Acquired Identifiable Intangible Assets (Detail) - USD ($) $ in Thousands	Jan. 01, 2017	Oct. 28, 2016	Apr. 29, 2016	Jan. 29, 2016	Jan. 03, 2016	Oct. 30, 2015	May 01, 2015	Feb. 27, 2015	Jan. 30, 2015	Dec. 28, 2014
Acquired Intangible Assets [Line Items]
Franchise rights	$ 533,040				$ 527,540					$ 520,672
Cleveland and Cookeville, Tennessee Territory Acquisitions [Member]
Acquired Intangible Assets [Line Items]
Total other acquired identifiable intangible assets									$ 12,950
Louisville, Kentucky and Evansville, Indiana [Member]
Acquired Intangible Assets [Line Items]
Total other acquired identifiable intangible assets								$ 20,350
Paducah And Pikeville Kentucky Territory Acquisitions [Member]
Acquired Intangible Assets [Line Items]
Total other acquired identifiable intangible assets							$ 1,700
Norfolk, Fredericksburg and Staunton, Virginia; and Elizabeth City, North Carolina Territory Acquisitions [Member]
Acquired Intangible Assets [Line Items]
Total other acquired identifiable intangible assets						$ 49,100
2015 Acquisition [Member]
Acquired Intangible Assets [Line Items]
Total other acquired identifiable intangible assets					84,100
Lexington Exchange Transaction [Member]
Acquired Intangible Assets [Line Items]
Franchise rights							23,700
Total other acquired identifiable intangible assets							1,100
Total acquired identifiable intangible assets							24,800
Easton and Salisbury Maryland and Richmond, and Yorktown Virginia, and Sandston, Virginia Regional Manufacturing Facility Acquisitions [Member]
Acquired Intangible Assets [Line Items]
Total other acquired identifiable intangible assets				$ 1,300
Baltimore, Hagerstown and Cumberland Maryland, and Silver Spring and Baltimore, Maryland Regional Manufacturing Facilities Acquisitions [Member]
Acquired Intangible Assets [Line Items]
Total other acquired identifiable intangible assets			$ 23,450
Cincinnati, Dayton, Lima and Portsmouth, Ohio and Louisa, Kentucky and Cincinnati, Ohio Regional Manufacturing Facility Acquisition [Member]
Acquired Intangible Assets [Line Items]
Total other acquired identifiable intangible assets		$ 66,500
2016 Acquisition [Member]
Acquired Intangible Assets [Line Items]
Total other acquired identifiable intangible assets	91,250
Distribution Agreements [Member] | Cleveland and Cookeville, Tennessee Territory Acquisitions [Member]
Acquired Intangible Assets [Line Items]
Total other acquired identifiable intangible assets									$ 12,400
Estimated useful life									40 years
Distribution Agreements [Member] | Louisville, Kentucky and Evansville, Indiana [Member]
Acquired Intangible Assets [Line Items]
Total other acquired identifiable intangible assets								$ 19,200
Estimated useful life								40 years
Distribution Agreements [Member] | Paducah And Pikeville Kentucky Territory Acquisitions [Member]
Acquired Intangible Assets [Line Items]
Total other acquired identifiable intangible assets							$ 1,500
Estimated useful life							40 years
Distribution Agreements [Member] | Norfolk, Fredericksburg and Staunton, Virginia; and Elizabeth City, North Carolina Territory Acquisitions [Member]
Acquired Intangible Assets [Line Items]
Total other acquired identifiable intangible assets						$ 47,900
Estimated useful life						40 years
Distribution Agreements [Member] | 2015 Acquisition [Member]
Acquired Intangible Assets [Line Items]
Total other acquired identifiable intangible assets					$ 81,000
Estimated useful life					40 years
Distribution Agreements [Member] | Lexington Exchange Transaction [Member]
Acquired Intangible Assets [Line Items]
Total other acquired identifiable intangible assets							$ 300
Estimated useful life							40 years
Distribution Agreements [Member] | Easton and Salisbury Maryland and Richmond, and Yorktown Virginia, and Sandston, Virginia Regional Manufacturing Facility Acquisitions [Member]
Acquired Intangible Assets [Line Items]
Total other acquired identifiable intangible assets				$ 750
Estimated useful life				40 years
Distribution Agreements [Member] | Baltimore, Hagerstown and Cumberland Maryland, and Silver Spring and Baltimore, Maryland Regional Manufacturing Facilities Acquisitions [Member]
Acquired Intangible Assets [Line Items]
Total other acquired identifiable intangible assets			$ 22,000
Estimated useful life			40 years
Distribution Agreements [Member] | Cincinnati, Dayton, Lima and Portsmouth, Ohio and Louisa, Kentucky and Cincinnati, Ohio Regional Manufacturing Facility Acquisition [Member]
Acquired Intangible Assets [Line Items]
Total other acquired identifiable intangible assets		$ 63,900
Estimated useful life		40 years
Distribution Agreements [Member] | 2016 Acquisition [Member]
Acquired Intangible Assets [Line Items]
Total other acquired identifiable intangible assets	$ 86,650
Estimated useful life	40 years
Customer Lists [Member] | Cleveland and Cookeville, Tennessee Territory Acquisitions [Member]
Acquired Intangible Assets [Line Items]
Total other acquired identifiable intangible assets									$ 550
Estimated useful life									12 years
Customer Lists [Member] | Louisville, Kentucky and Evansville, Indiana [Member]
Acquired Intangible Assets [Line Items]
Total other acquired identifiable intangible assets								$ 1,150
Estimated useful life								12 years
Customer Lists [Member] | Paducah And Pikeville Kentucky Territory Acquisitions [Member]
Acquired Intangible Assets [Line Items]
Total other acquired identifiable intangible assets							$ 200
Estimated useful life							12 years
Customer Lists [Member] | Norfolk, Fredericksburg and Staunton, Virginia; and Elizabeth City, North Carolina Territory Acquisitions [Member]
Acquired Intangible Assets [Line Items]
Total other acquired identifiable intangible assets						$ 1,200
Estimated useful life						12 years
Customer Lists [Member] | 2015 Acquisition [Member]
Acquired Intangible Assets [Line Items]
Total other acquired identifiable intangible assets					$ 3,100
Estimated useful life					12 years
Customer Lists [Member] | Lexington Exchange Transaction [Member]
Acquired Intangible Assets [Line Items]
Total other acquired identifiable intangible assets							$ 800
Estimated useful life							12 years
Customer Lists [Member] | Easton and Salisbury Maryland and Richmond, and Yorktown Virginia, and Sandston, Virginia Regional Manufacturing Facility Acquisitions [Member]
Acquired Intangible Assets [Line Items]
Total other acquired identifiable intangible assets				$ 550
Estimated useful life				12 years
Customer Lists [Member] | Baltimore, Hagerstown and Cumberland Maryland, and Silver Spring and Baltimore, Maryland Regional Manufacturing Facilities Acquisitions [Member]
Acquired Intangible Assets [Line Items]
Total other acquired identifiable intangible assets			$ 1,450
Estimated useful life			12 years
Customer Lists [Member] | Cincinnati, Dayton, Lima and Portsmouth, Ohio and Louisa, Kentucky and Cincinnati, Ohio Regional Manufacturing Facility Acquisition [Member]
Acquired Intangible Assets [Line Items]
Total other acquired identifiable intangible assets		$ 2,600
Estimated useful life		12 years
Customer Lists [Member] | 2016 Acquisition [Member]
Acquired Intangible Assets [Line Items]
Total other acquired identifiable intangible assets	$ 4,600
Estimated useful life	12 years