Segment Reporting (Details Textuals) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Segment Reporting (Textuals) [Abstract]
Restructuring Charges	$ 1,494	$ 2,561	$ 4,579	$ 5,188
US Operations [Member]
Segment Reporting (Textuals) [Abstract]
Restructuring Charges	600		1,700	100
Swiss Operations [Member]
Segment Reporting (Textuals) [Abstract]
Restructuring Charges	300	600	900	1,700
Western European Operations [Member]
Segment Reporting (Textuals) [Abstract]
Restructuring Charges	500	1,900	1,700	2,400
Chinese Operations [Member]
Segment Reporting (Textuals) [Abstract]
Restructuring Charges		$ 100	100	400
Other Operations [Member]
Segment Reporting (Textuals) [Abstract]
Restructuring Charges	$ 100		$ 200	$ 600