Goodwill - Schedule of Goodwill Allocated to Reporting Segments (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2018	Dec. 31, 2017
Goodwill [Line Items]
Goodwill, Purchase Accounting Adjustments		$ 4,960
Goodwill [Roll Forward]
Goodwill beginning balance	$ 1,121,895	555,762	$ 452,494
Effect of change in exchange rates	(10,322)	(14,979)	43,593
Goodwill ending balance	1,116,533	1,116,533	$ 555,762
Device Solutions [Member]
Goodwill [Line Items]
Goodwill, Purchase Accounting Adjustments		0
Goodwill [Roll Forward]
Goodwill beginning balance	55,770
Effect of change in exchange rates	(511)
Goodwill ending balance	55,259	55,259
Networked Solutions Segment [Member]
Goodwill [Line Items]
Goodwill, Purchase Accounting Adjustments		4,097
Goodwill [Roll Forward]
Goodwill beginning balance	922,889
Effect of change in exchange rates	(8,491)
Goodwill ending balance	918,495	918,495
Outcomes Segment [Member]
Goodwill [Line Items]
Goodwill, Purchase Accounting Adjustments		863
Goodwill [Roll Forward]
Goodwill beginning balance	143,236
Effect of change in exchange rates	(1,320)
Goodwill ending balance	$ 142,779	$ 142,779