Revenue Disaggregated Revenue by Product Line (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Disaggregation of Revenue [Line Items]
Revenues	$ 318,567	$ 307,471	$ 950,553	$ 950,685
Infusion Consumables [Member]
Disaggregation of Revenue [Line Items]
Revenues	116,054	119,745	350,554	357,994
Infusion Systems [Member]
Disaggregation of Revenue [Line Items]
Revenues	88,388	78,932	267,856	244,523
IV Solutions [Member]
Disaggregation of Revenue [Line Items]
Revenues	101,900	98,159	295,369	313,976
Critical Care [Member]
Disaggregation of Revenue [Line Items]
Revenues	$ 12,225	$ 10,635	$ 36,774	$ 34,192