XML 96 R57.htm IDEA: XBRL DOCUMENT v3.20.2
Fair Value Measurements (Details 2) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Business Acquisition, Contingent Consideration [Line Items]        
Contingent consideration impairment $ 29.0 $ 57.8 $ 23.5 $ 66.3
Payments 0.0 0.0 0.0 0.0
Fair Value, Measurements, Recurring        
Business Acquisition, Contingent Consideration [Line Items]        
Fair value, beginning of period 351.6 401.3 346.1 409.8
Fair value, end of period $ 322.6 $ 343.5 $ 322.6 $ 343.5