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 |