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Property, Plant and Equipment
12 Months Ended
Dec. 28, 2012
Property Plant and Equipment [Abstract]  
Property Plant and Equipment

D. Property, Plant and Equipment

 

Property, plant and equipment were as follows (in thousands):

 2012 2011
Land and improvements$ 16,261 $ 11,373
Buildings and improvements  115,774   104,567
Manufacturing equipment  214,073   205,522
Office, warehouse and automotive equipment  33,388   29,499
Additions in progress  9,571   7,274
Total property, plant and equipment  389,067   358,235
Accumulated depreciation  (237,523)   (219,987)
Net property, plant and equipment$ 151,544 $ 138,248

Depreciation expense was $22.2 million in 2012, $20.6 million in 2011 and $21.2 million in 2010.