Commitments and Contingencies Contingencies (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Business Acquisition [Line Items]
contract settlement	$ 12.7		$ 28.9
Hospira [Member]
Business Acquisition [Line Items]
contingent consideration gross		$ 225.0		$ 225.0
Pursuit Vascular, Inc. [Member]
Business Acquisition [Line Items]
contingent consideration gross		$ 50.0