Segment Reporting (Details Textuals) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Segment Reporting (Textuals) [Abstract]
Restructuring Charges	$ 2,205	$ 1,720	$ 3,085	$ 2,627
US Operations [Member]
Segment Reporting (Textuals) [Abstract]
Restructuring Charges	800	100	1,100	100
Swiss Operations [Member]
Segment Reporting (Textuals) [Abstract]
Restructuring Charges	200	400	600	1,100
Western European Operations [Member]
Segment Reporting (Textuals) [Abstract]
Restructuring Charges	$ 1,200	700	1,200	500
Chinese Operations [Member]
Segment Reporting (Textuals) [Abstract]
Restructuring Charges		200	100	300
Other Operations [Member]
Segment Reporting (Textuals) [Abstract]
Restructuring Charges		$ 300	$ 100	$ 600