Segment Reporting (Details Textuals) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Segment Reporting (Textuals) [Abstract]
Restructuring Charges	$ 4,413	$ 1,432
Western European Operations [Member]
Segment Reporting (Textuals) [Abstract]
Restructuring Charges	400
Chinese Operations [Member]
Segment Reporting (Textuals) [Abstract]
Restructuring Charges	100
Other Operations [Member]
Segment Reporting (Textuals) [Abstract]
Restructuring Charges	100
Us Operations segment Member
Segment Reporting (Textuals) [Abstract]
Restructuring Charges	3,600	$ 800
Swiss Operations segment Member
Segment Reporting (Textuals) [Abstract]
Restructuring Charges	$ 400