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Property, Plant and Equipment
12 Months Ended
Dec. 29, 2012
Property, Plant and Equipment

Note 10 — Property, Plant and Equipment

Major classes of property, plant and equipment were as follows:

 

     December 29,
2012
    December 31,
2011
 
     (In thousands)  

Land and land improvements

   $ 411,245      $ 484,805   

Buildings and leasehold improvements

     307,655        417,619   

Machinery and equipment

     511,070        853,127   

Vessels and containers

     149,173        156,356   

Vessels and equipment under capital leases

     84,322        85,987   

Construction in progress

     44,643        63,139   
  

 

 

   

 

 

 
     1,508,108        2,061,033   

Accumulated depreciation

     (819,218     (1,150,304
  

 

 

   

 

 

 
   $ 688,890      $ 910,729   
  

 

 

   

 

 

 

Depreciation is computed by the straight-line method over the estimated useful lives of the assets as follows:

 

     Years

Land improvements

   3 to 40

Buildings and leasehold improvements

   2 to 50

Machinery and equipment

   3 to 20

Vessels and containers

   5 to 20

Vessels and equipment under capital leases

   Shorter of useful life

or life of lease

Depreciation expense on property, plant and equipment for continuing operations totaled $61.9 million, $63.1 million and $75.8 million for the years ended December 29, 2012, December 31, 2011 and January 1, 2011 respectively. Depreciation expense on property, plant and equipment for discontinued operations totaled $34.1 million, $36.4 million and $34.6 million for the years ended December 29, 2012, December 31, 2011 and January 1, 2011, respectively.