Depreciation and Amortization, by Segment (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Property, Plant and Equipment [Line Items]
Depreciation and amortization	$ 24,076	$ 28,623	$ 72,306	$ 85,691
Device Solutions [Member]
Property, Plant and Equipment [Line Items]
Depreciation and amortization	5,926	6,373	18,423	19,155
Networked Solutions Segment [Member]
Property, Plant and Equipment [Line Items]
Depreciation and amortization	4,377	3,077	12,447	9,530
Outcomes Segment [Member]
Property, Plant and Equipment [Line Items]
Depreciation and amortization	1,327	1,408	4,132	3,995
Corporate Unallocated [Member]
Property, Plant and Equipment [Line Items]
Depreciation and amortization	$ 12,446	$ 17,765	$ 37,304	$ 53,011