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Computation of Depreciation by Straight Line Method Over Estimated Useful Lives (Detail)
12 Months Ended
Dec. 29, 2012
Property Plant and Equipment Estimated Useful Lives [Line Items]  
Vessels and equipment under capital leases, estimated useful life Shorter of useful life or life of lease
Land Improvements | Minimum
 
Property Plant and Equipment Estimated Useful Lives [Line Items]  
Property plant equipment estimated useful life 3 years
Land Improvements | Maximum
 
Property Plant and Equipment Estimated Useful Lives [Line Items]  
Property plant equipment estimated useful life 40 years
Buildings and Leasehold Improvements | Minimum
 
Property Plant and Equipment Estimated Useful Lives [Line Items]  
Property plant equipment estimated useful life 2 years
Buildings and Leasehold Improvements | Maximum
 
Property Plant and Equipment Estimated Useful Lives [Line Items]  
Property plant equipment estimated useful life 50 years
Machinery and Equipment | Minimum
 
Property Plant and Equipment Estimated Useful Lives [Line Items]  
Property plant equipment estimated useful life 3 years
Machinery and Equipment | Maximum
 
Property Plant and Equipment Estimated Useful Lives [Line Items]  
Property plant equipment estimated useful life 20 years
Vessels and Containers | Minimum
 
Property Plant and Equipment Estimated Useful Lives [Line Items]  
Property plant equipment estimated useful life 5 years
Vessels and Containers | Maximum
 
Property Plant and Equipment Estimated Useful Lives [Line Items]  
Property plant equipment estimated useful life 20 years