Property, Plant and Equipment

12 Months Ended

Dec. 31, 2015

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,
	2015			2014
Land	$	21,827		$	23,440
Buildings and improvements	34,543			35,269
Leasehold improvements	36,069			42,836
Machinery and equipment	98,816			95,977
Demonstration systems	41,588			47,693
Other fixed assets	52,794			51,386
Gross property, plant and equipment	285,637			296,601
Accumulated depreciation	(130,029		)	(132,807		)
Total property, plant and equipment, net	$	155,608		$	163,794