Information By Segment (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Segment Reporting Information [Line Items]
Revenues	$ 540,184	$ 624,474	$ 1,648,193	$ 1,874,087
Gross profit	143,251	196,404	453,334	574,881
Operating income (loss)	(23,980)	39,439	(42,997)	103,820
Total other income (expense)	(13,063)	(15,110)	(35,020)	(44,983)
Income (loss) before income taxes	(37,043)	24,329	(78,017)	58,837
Device Solutions [Member]
Segment Reporting Information [Line Items]
Revenues	176,128	213,349	507,572	652,827
Gross profit	20,528	40,945	64,843	122,451
Operating income (loss)	11,017	27,905	28,095	81,717
Networked Solutions Segment [Member]
Segment Reporting Information [Line Items]
Revenues	306,659	356,221	971,984	1,048,564
Gross profit	102,295	135,406	332,368	388,717
Operating income (loss)	71,404	105,637	237,466	298,994
Outcomes Segment [Member]
Segment Reporting Information [Line Items]
Revenues	57,397	54,904	168,637	172,696
Gross profit	20,428	20,053	56,123	63,713
Operating income (loss)	12,044	10,843	29,468	35,620
Corporate Unallocated [Member]
Segment Reporting Information [Line Items]
Operating income (loss)	(118,445)	(104,946)	(338,026)	(312,511)
Product [Member]
Segment Reporting Information [Line Items]
Revenues	470,658	552,897	1,437,780	1,663,794
Product [Member] | Device Solutions [Member]
Segment Reporting Information [Line Items]
Revenues	174,039	211,096	501,157	644,254
Product [Member] | Networked Solutions Segment [Member]
Segment Reporting Information [Line Items]
Revenues	282,677	330,487	898,465	978,259
Product [Member] | Outcomes Segment [Member]
Segment Reporting Information [Line Items]
Revenues	13,942	11,314	38,158	41,281
Service [Member]
Segment Reporting Information [Line Items]
Revenues	69,526	71,577	210,413	210,293
Service [Member] | Device Solutions [Member]
Segment Reporting Information [Line Items]
Revenues	2,089	2,253	6,415	8,573
Service [Member] | Networked Solutions Segment [Member]
Segment Reporting Information [Line Items]
Revenues	23,982	25,734	73,519	70,305
Service [Member] | Outcomes Segment [Member]
Segment Reporting Information [Line Items]
Revenues	$ 43,455	$ 43,590	$ 130,479	$ 131,415