Revenue Disaggregated Revenue by Product Line (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Disaggregation of Revenue [Line Items]
Revenues	$ 307,471	$ 327,169	$ 950,685	$ 1,059,662
Infusion Consumables [Member]
Disaggregation of Revenue [Line Items]
Revenues	119,745	117,797	357,994	361,490
IV Solutions [Member]
Disaggregation of Revenue [Line Items]
Revenues	98,159	114,433	313,976	394,198
Infusion Systems [Member]
Disaggregation of Revenue [Line Items]
Revenues	78,932	81,456	244,523	263,271
Critical Care [Member]
Disaggregation of Revenue [Line Items]
Revenues	$ 10,635	$ 13,483	$ 34,192	$ 40,703