Information By Segment (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Segment Reporting Information [Line Items]
Revenues	$ 519,574	$ 598,415
Gross profit	167,044	171,566
Operating income (loss)	30,940	26,370
Total other income (expense)	(12,699)	(9,658)
Income (loss) before income taxes	18,241	16,712
Device Solutions [Member]
Segment Reporting Information [Line Items]
Revenues	172,781	202,279
Gross profit	32,296	32,367
Operating income (loss)	21,701	18,198
Networked Solutions Segment [Member]
Segment Reporting Information [Line Items]
Revenues	288,314	340,845
Gross profit	112,759	121,750
Operating income (loss)	79,291	88,680
Outcomes Segment [Member]
Segment Reporting Information [Line Items]
Revenues	58,479	55,291
Gross profit	21,989	17,449
Operating income (loss)	10,336	8,198
Corporate Unallocated [Member]
Segment Reporting Information [Line Items]
Operating income (loss)	(80,388)	(88,706)
Product [Member]
Segment Reporting Information [Line Items]
Revenues	442,804	528,137
Product [Member] | Device Solutions [Member]
Segment Reporting Information [Line Items]
Revenues	170,331	200,168
Product [Member] | Networked Solutions Segment [Member]
Segment Reporting Information [Line Items]
Revenues	258,703	315,437
Product [Member] | Outcomes Segment [Member]
Segment Reporting Information [Line Items]
Revenues	13,770	12,532
Service [Member]
Segment Reporting Information [Line Items]
Revenues	76,770	70,278
Service [Member] | Device Solutions [Member]
Segment Reporting Information [Line Items]
Revenues	2,450	2,111
Service [Member] | Networked Solutions Segment [Member]
Segment Reporting Information [Line Items]
Revenues	29,611	25,408
Service [Member] | Outcomes Segment [Member]
Segment Reporting Information [Line Items]
Revenues	$ 44,709	$ 42,759