v3.19.2
Fair Value of Financial Instruments - Schedule of Changes in Level 3 Financial Liabilities (Details) - USD ($)
$ in Millions
12 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning balance $ 18.6 $ 6.7
Additional contingent consideration incurred 7.9 13.5
Net increase (decrease) in contingent consideration liability 3.6 (1.1)
Foreign currency impact on contingent consideration liability (0.6) 0.2
Payments (1.0) (0.7)
Ending balance 28.4 $ 18.6
Estimate of Fair Value Measurement | Level 3    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Fair value asset impairment $ 1.1