Revenue Disaggregated Revenue by Product Line (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Disaggregation of Revenue [Line Items]
Revenues	$ 312,282	$ 360,460	$ 643,214	$ 732,493
Infusion Consumables [Member]
Disaggregation of Revenue [Line Items]
Revenues	117,669	123,782	238,249	243,693
IV Solutions [Member]
Disaggregation of Revenue [Line Items]
Revenues	102,635	135,325	215,817	279,765
Infusion Systems [Member]
Disaggregation of Revenue [Line Items]
Revenues	81,309	88,376	165,591	181,815
Critical Care [Member]
Disaggregation of Revenue [Line Items]
Revenues	$ 10,669	$ 12,977	$ 23,557	$ 27,220