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Discontinued Operations - Acquisitions (Details) - Daylight Medical
$ in Millions
Apr. 01, 2017
USD ($)
Business Acquisition [Line Items]  
Consideration transferred $ 25.2
Cash paid at closing 3.5
Preliminary fair value of contingent consideration 21.7
Noncontingent consideration to be paid in the future 14.4
Preliminary fair value for liability-classified contingent consideration $ 7.3