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Significant Accounting Policies - Additional Information (Detail) (USD $)
 12 Months Ended 0 Months Ended 12 Months Ended
Dec. 29, 2013
Pension_Plan
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Segment
Dec. 30, 2012
Jan. 01, 2012
Dec. 29, 2013
Common Stock [Member]
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Apr. 29, 2008
Class B Common Stock [Member]
Dec. 29, 2013
Class B Common Stock [Member]
Vote
Dec. 29, 2013
Class B Common Stock [Member]
Common Stock [Member]
Vote
New Accounting Pronouncements or Change in Accounting Principle [Line Items]              
Number of reportable segment 1            
Net income attributable to noncontrolling interest $ 4,400,000 $ 4,200,000 $ 3,400,000        
Noncontrolling interest 68,606,000 64,179,000 59,900,000        
Period of collection of trade account receivable 30 days            
Amortization expenses of internal-use software 7,500,000 7,300,000 7,000,000        
Number of nonunion noncontributory plan 1            
Number of union noncontributory plans 1            
Percentage of maximum tax benefit 50.00%            
Percentage of service revenue 1.00%            
Percentage of third party freight revenue 1.00%            
Cost of marketing programs and sales incentives 57,100,000 58,100,000 53,000,000        
Shipping and handling costs 201,000,000 200,000,000 191,900,000        
Delivery fees in net sales $ 6,300,000 $ 7,000,000 $ 7,100,000        
Performance units authorized         400,000    
Term of performance unit award agreement         10 years    
Common B stock per performance unit         1    
Annual performance units granted         40,000    
Maximum overall goal achievement factor         100.00%    
Number of votes per share 1     1   20 20
Percentage control of total voting power             86.00%
Class B Common Stock is convertible into Common Stock Ratio 1