Acquisitions Hospira Contingent Consideration (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2017
Business Acquisition, Contingent Consideration [Line Items]
Business Combination, Contingent Consideration, Liability, Noncurrent	$ 17,300	$ 19,000
Hospira [Member]
Business Acquisition, Contingent Consideration [Line Items]
Business Combination, Contingent Consideration, Liability, Noncurrent		19,000
contingent consideration gross	$ 225,000	225,000
Minimum [Member]
Business Acquisition, Contingent Consideration [Line Items]
Adjusted EBITDA		35,000
Maximum [Member]
Business Acquisition, Contingent Consideration [Line Items]
Adjusted EBITDA		$ 40,000