Depreciation and Amortization, by Segment (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Property, Plant and Equipment [Line Items]
Depreciation and amortization of intangible assets	$ 28,427	$ 31,072
Device Solutions [Member]
Property, Plant and Equipment [Line Items]
Depreciation and amortization of intangible assets	6,436	6,474
Networked Solutions Segment [Member]
Property, Plant and Equipment [Line Items]
Depreciation and amortization of intangible assets	3,248	3,244
Outcomes Segment [Member]
Property, Plant and Equipment [Line Items]
Depreciation and amortization of intangible assets	1,302	1,709
Corporate Unallocated [Member]
Property, Plant and Equipment [Line Items]
Depreciation and amortization of intangible assets	$ 17,441	$ 19,645