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Property, Plant and Equipment
12 Months Ended
Dec. 30, 2011
Property, Plant and Equipment [Abstract]  
PROPERTY, PLANT AND EQUIPMENT

5. PROPERTY, PLANT AND EQUIPMENT

 Property, plant and equipment are comprised of the following (in thousands):
       
  At
   December 30, December 31,
  2011 2010
 Manufacturing machinery and equipment$ 149,136 $ 135,108
 Buildings and building improvements  75,229   71,160
 Information technology hardware and software  33,881   32,700
 Leasehold improvements  17,426   17,282
 Furniture and fixtures  11,282   10,475
 Land and land improvements  11,075   10,332
 Construction work in process  13,302   11,639
 Other  993   808
    312,324   289,504
 Accumulated depreciation  (166,518)   (143,124)
 Total$ 145,806 $ 146,380

 Depreciation expense for property, plant and equipment was as follows (in thousands):
            
   Year Ended 
   December 30, December 31, January 1, 
   2011 2010 2010 
 Depreciation expense$ 25,672 $ 26,104 $ 27,059 

Construction work in process at December 30, 2011 primarily relates to the construction of the Company's Orthopaedic manufacturing facility in Allen County, IN. See Note 12 for a description of the Company's significant capital investment projects.