Fair Value Measurement Fair Value Measurement (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Hospira [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
contingent consideration gross		$ 225.0
Pursuit Vascular, Inc. [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
contingent consideration gross	$ 50.0	$ 50.0