Information By Segment (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
Segment Reporting Information [Line Items]
Revenues	$ 598,415	$ 614,576
Gross profit	171,566	187,263
Operating income (loss)	26,370	20,823
Total other income (expense)	(9,658)	(14,851)
Income (loss) before income taxes	16,712	5,972
Device Solutions [Member]
Segment Reporting Information [Line Items]
Revenues	202,279	221,755
Gross profit	32,367	39,916
Operating income (loss)	18,198	25,457
Networked Solutions Segment [Member]
Segment Reporting Information [Line Items]
Revenues	340,845	336,427
Gross profit	121,750	127,068
Operating income (loss)	88,680	95,322
Outcomes Segment [Member]
Segment Reporting Information [Line Items]
Revenues	55,291	56,394
Gross profit	17,449	20,279
Operating income (loss)	8,198	10,410
Corporate Unallocated [Member]
Segment Reporting Information [Line Items]
Operating income (loss)	(88,706)	(110,366)
Product [Member]
Segment Reporting Information [Line Items]
Revenues	528,137	544,850
Product [Member] \| Device Solutions [Member]
Segment Reporting Information [Line Items]
Revenues	200,168	218,569
Product [Member] \| Networked Solutions Segment [Member]
Segment Reporting Information [Line Items]
Revenues	315,437	314,350
Product [Member] \| Outcomes Segment [Member]
Segment Reporting Information [Line Items]
Revenues	12,532	11,931
Service [Member]
Segment Reporting Information [Line Items]
Revenues	70,278	69,726
Service [Member] \| Device Solutions [Member]
Segment Reporting Information [Line Items]
Revenues	2,111	3,186
Service [Member] \| Networked Solutions Segment [Member]
Segment Reporting Information [Line Items]
Revenues	25,408	22,077
Service [Member] \| Outcomes Segment [Member]
Segment Reporting Information [Line Items]
Revenues	$ 42,759	$ 44,463

Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity.

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