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Property, Plant and Equipment
12 Months Ended
Dec. 31, 2013
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment

Note 6. Property, Plant and Equipment

Property, plant and equipment consisted of the following at December 31:

in thousands 2013       2012
Machinery and equipment $ 58,443     $ 45,034  
Buildings and improvements   34,820       22,501  
Computer equipment and software   31,103       19,873  
Office equipment   4,324       3,785  
Furniture and fixtures   5,606       5,019  
Land   12,906       8,772  
          147,202             104,984  
Accumulated depreciation and amortization   (61,439 )     (46,523 )
    85,763       58,461  
Capital work-in-progress   5,242       3,609  
  $ 91,005     $ 62,070  

Depreciation expenses were $14.6 million, $7.6 million and $5.9 million in the years ended December 31, 2013, 2012 and 2011, respectively.