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Acquisitions Hospira Contingent Consideration (Details) - USD ($) $ in Thousands | 12 Months Ended
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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

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