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Property, Plant and Equipment
12 Months Ended
Dec. 31, 2013
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment Disclosure [Text Block]
PROPERTY, PLANT AND EQUIPMENT
Property, plant and equipment consisted of the following (in thousands):
 
December 31,
 
2013
 
2012
Land
$
25,535

 
$
7,806

Buildings and improvements
36,778

 
21,645

Leasehold improvements
23,948

 
16,503

Machinery and equipment
103,180

 
108,982

Demonstration systems
44,700

 
29,986

Other fixed assets
49,093

 
46,510

Gross property, plant and equipment
283,234

 
231,432

Accumulated depreciation
(125,405
)
 
(121,560
)
Total property, plant and equipment, net
$
157,829

 
$
109,872