Summary Of Significant Accounting Policies - Additional Information (Detail) - USD ($)			3 Months Ended							4 Months Ended		12 Months Ended
	Sep. 28, 2016	Apr. 03, 2012	Dec. 31, 2016	Oct. 08, 2016	Jul. 16, 2016	Jan. 02, 2016	Oct. 10, 2015	Jul. 18, 2015	Jul. 12, 2014	Apr. 23, 2016	Apr. 25, 2015	Dec. 31, 2016	Jan. 02, 2016	Jan. 03, 2015
Significant Accounting Policies [Line Items]
Sales			$ 868,717,000	$ 918,791,000	$ 935,025,000	$ 858,363,000	$ 885,302,000	$ 888,795,000		$ 1,204,352,000	$ 1,146,045,000	$ 3,926,885,000	$ 3,778,505,000	$ 3,748,973,000
Inventory			110,882,000			111,177,000						110,882,000	111,177,000
Deferred gain on sale of assets held for sale			28,300,000			26,200,000						28,300,000	26,200,000
Net gain on sale of distribution rights												3,100,000	4,100,000	3,800,000
Shipping costs												855,100,000	852,300,000	847,600,000
Equipment held under capital leases			44,200,000			29,900,000						44,200,000	29,900,000
Total accumulated depreciation for assets held under capital leases			13,700,000			9,700,000						13,700,000	9,700,000
Capitalized interest			0			0						0	0	0
Impairment charge of long-lived assets held for use												9,900,000	1,500,000	0
Impairment of other Intangible Assets excluding goodwill			2,300,000										0	0
Goodwill impairment loss									$ 2,600,000			0	0
Advertising and marketing costs												33,900,000	23,500,000	22,900,000
Capitalized software development costs			23,400,000			15,000,000						23,400,000	15,000,000
Amortization expense of capitalized software development costs												$ 3,300,000	3,500,000	2,400,000
Plan asset amortization conditional percentage												10.00%
Debt instrument face amount			817,500,000			660,000,000						$ 817,500,000	660,000,000
Research and development costs												3,000,000	3,300,000	$ 3,200,000
3.5% Senior Notes Due 2026
Significant Accounting Policies [Line Items]
Debt instrument face amount	$ 400,000,000		400,000,000									400,000,000
Debt instrument discount and issuance cost amortization period	10 years
4.375% Senior Notes Due 2022
Significant Accounting Policies [Line Items]
Debt instrument face amount		$ 400,000,000	400,000,000			400,000,000						400,000,000	$ 400,000,000
Debt instrument discount and issuance cost amortization period		10 years
Selling, Distribution, and Administrative Expense
Significant Accounting Policies [Line Items]
Hedge ineffectiveness												$ 100,000
Trademarks
Significant Accounting Policies [Line Items]
Finite-lived intangible asset amortization periods					40 years							40 years
Impairment charge of indefinite intangible assets					$ 15,000,000							$ 15,000,000
Customer Concentration Risk | Outstanding Trade Receivables | Wal-Mart/Sam's Club
Significant Accounting Policies [Line Items]
Concentration risk percentage												18.80%	18.90%
Customer Concentration Risk | Sales Revenue, Net | Top 10 Customers
Significant Accounting Policies [Line Items]
Concentration risk percentage												46.80%	43.50%	43.90%
Customer Concentration Risk | Sales Revenue, Net | Wal-Mart/Sam's Club
Significant Accounting Policies [Line Items]
Concentration risk percentage												19.60%	19.30%	19.40%
Maximum
Significant Accounting Policies [Line Items]
Finite-lived intangible asset amortization periods												40 years
Maximum | Capitalized Software Development Costs
Significant Accounting Policies [Line Items]
Estimated useful life, years												8 years
Maximum | Direct Financing To Distributor
Significant Accounting Policies [Line Items]
Notes receivable maturity period												10 years
Minimum
Significant Accounting Policies [Line Items]
Finite-lived intangible asset amortization periods												2 years
Minimum | Capitalized Software Development Costs
Significant Accounting Policies [Line Items]
Estimated useful life, years												3 years
Pay By Scan
Significant Accounting Policies [Line Items]
Sales												$ 1,300,000,000	$ 1,200,000,000	$ 1,200,000,000
Inventory			$ 7,600,000			$ 6,200,000						$ 7,600,000	$ 6,200,000