Acquisitions and Divestitures - Additional Information (Detail) - USD ($)									3 Months Ended			9 Months Ended		12 Months Ended
	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	Sep. 27, 2015	Jun. 28, 2015	Oct. 02, 2016	Sep. 27, 2015	Jan. 03, 2016	Dec. 28, 2014
Business Acquisition [Line Items]
Goodwill										$ 113,835,000		$ 141,271,000	$ 113,835,000	$ 117,954,000	$ 106,220,000
Gain on exchange of franchise territory												$ (692,000)	8,807,000
Gain on sale of business										$ 22,651,000			$ 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
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
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
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							$ 1,517,000
Goodwill recognized, expected to be deductible for tax purposes							0
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						$ 1,011,000
Goodwill recognized, expected to be deductible for tax purposes						200,000
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				$ 7,668,000
Goodwill recognized, expected to be deductible for tax purposes				1,100,000
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				26,100,000
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				2,000,000
Deferred tax liability, bargain purchase gain				$ 1,300,000
Easton and Salisbury, Maryland and Richmond, Sandston and Yorktown, Virginia Acquisitions [Member]
Business Acquisition [Line Items]
Effective date of business acquisition												Jan. 29, 2016
Cash purchase			$ 65,700,000
Goodwill			10,569,000
Goodwill recognized, expected to be deductible for tax purposes			$ 7,100,000
Alexandria, Virginia and Capitol Heights and La Plata, Maryland Acquisitions [Member]
Business Acquisition [Line Items]
Goodwill		$ 2,742,000
Goodwill recognized, expected to be deductible for tax purposes		0
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	8,720,000
Goodwill recognized, expected to be deductible for tax purposes	$ 0
Asset Purchase Agreements [Member]
Business Acquisition [Line Items]
Contingent consideration liability range, low												$ 10,000,000
Contingent consideration liability range, high												$ 18,000,000
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] | 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