Segment Information (Details 1) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Segment Reporting Information [Line Items]
Corporate and unallocated costs	$ 131,311	$ 135,782	$ 437,032	$ 387,309
Cost of sales
Segment Reporting Information [Line Items]
Corporate and unallocated costs	16,141	16,792	70,322	44,815
Selling, general and administrative expenses
Segment Reporting Information [Line Items]
Corporate and unallocated costs	92,276	92,895	286,766	268,741
Research and development expenses
Segment Reporting Information [Line Items]
Corporate and unallocated costs	$ 22,894	$ 26,095	$ 79,944	$ 73,753