Significant Accounting Policies - Additional Information (Detail) $ in Thousands		12 Months Ended
	Apr. 29, 2008 shares	Jan. 03, 2016 USD ($) Pension_Plan Vote	Dec. 28, 2014 USD ($)	Dec. 29, 2013 USD ($)
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net income attributable to noncontrolling interest		$ 6,042	$ 4,728	$ 4,427
Noncontrolling interest		$ 79,376	73,334	68,600
Period of collection of trade account receivable		30 days
Amortization expenses of internal-use software		$ 9,300	7,600	7,500
Number of nonunion noncontributory pension plans | Pension_Plan		1
Number of union noncontributory pension plans | Pension_Plan		1
Percentage of maximum tax benefit		50.00%
Cost of marketing programs and sales incentives		$ 71,400	61,700	57,100
Shipping and handling costs		$ 222,900	211,600	201,000
Number of votes per share | Vote		1
Percentage control of total voting power		86.00%
Class B Common Stock is convertible into Common Stock Ratio		one-for-one per share
Class B Common Stock [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Performance units authorized | shares	400,000
Common B stock per performance unit | shares	1
Term of performance unit award agreement	10 years
Maximum overall goal achievement factor	100.00%
Annual performance units granted | shares	40,000
Number of votes per share | Vote		20
Nonalcoholic Beverages [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Percentage of service revenue		1.00%
Delivery fees in net sales		$ 6,300	$ 6,200	$ 6,300
All Other [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Percentage of third party freight revenue		2.00%