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Property, Plant and Equipment
12 Months Ended
Dec. 31, 2014
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment

Note 6. Property, Plant and Equipment

 

Property, plant and equipment, net consisted of the following

 

December 31, December 31,
2014 2013
(U.S. $ in thousands) 
 
Machinery and equipment $ 95,558 $ $ 58,443
Buildings and improvements 53,171 34,820
Computer equipment and software 40,556 31,103
Office equipment, furniture and fixtures 14,559 9,930
Land 11,102 11,121
214,946 145,417
Accumulated depreciation (84,228 ) (61,439 )
130,718 83,978
Capital work-in-progress 26,318 7,027
$ 157,036 $ $ 91,005

 

Depreciation expenses were $26.2 million, $14.6 million and $7.6 million in the years ended December 31, 2014, 2013 and 2012, respectively.