v3.19.2
Employee Benefit Plans - Defined Contribution Savings Plans (Details) - USD ($)
$ in Millions
12 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2017
Defined Benefit Plan Disclosure [Line Items]      
Defined Contribution Saving Plan costs recorded $ 37.8 $ 36.3 $ 37.0
Domestic Plan | 401(k) savings plan      
Defined Benefit Plan Disclosure [Line Items]      
Defined Contribution Saving Plan costs recorded 35.5 34.4 35.2
Domestic Plan | ERSP      
Defined Benefit Plan Disclosure [Line Items]      
Defined Contribution Saving Plan costs recorded $ 2.3 $ 1.9 $ 1.8