Revenue Disaggregated Revenue by Product Line (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Disaggregation of Revenue [Line Items]
Revenues	$ 321,677	$ 303,379	$ 639,723	$ 631,986
Infusion Consumables [Member]
Disaggregation of Revenue [Line Items]
Revenues	136,200	110,993	262,569	234,500
Infusion Systems [Member]
Disaggregation of Revenue [Line Items]
Revenues	84,661	91,088	168,995	179,468
IV Solutions [Member]
Disaggregation of Revenue [Line Items]
Revenues	88,421	89,178	182,597	193,469
Critical Care [Member]
Disaggregation of Revenue [Line Items]
Revenues	$ 12,395	$ 12,120	$ 25,562	$ 24,549