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Discontinued Operation (Details) - Discontinued Operations - Healthy Directions LLC - USD ($)
$ in Millions
12 Months Ended
Feb. 28, 2019
Dec. 31, 2017
Discontinued Operations    
Purchase price from sale   $ 46.0
Supplemental payment with a target value $ 10.8 $ 25.0
Reduction of supplemental payment 5.8  
Reduction of supplemental payment after tax 4.4  
Resolution of certain contingencies 1.5  
Resolution of certain contingencies, after tax $ 1.3