Segment Reporting (Details Textuals) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Segment Reporting (Textuals) [Abstract]
Restructuring Charges	$ 4,570	$ 6,732	$ 7,335	$ 11,146
US Operations [Member]
Segment Reporting (Textuals) [Abstract]
Restructuring Charges	2,300	2,000	2,900	3,600
Swiss Operations [Member]
Segment Reporting (Textuals) [Abstract]
Restructuring Charges	100	2,900	800	3,200
Western European Operations [Member]
Segment Reporting (Textuals) [Abstract]
Restructuring Charges	1,800	1,700	2,900	3,800
Chinese Operations [Member]
Segment Reporting (Textuals) [Abstract]
Restructuring Charges		$ 100	100	$ 500
Other Operations [Member]
Segment Reporting (Textuals) [Abstract]
Restructuring Charges	$ 400		$ 600