Employee Benefit Plans - Defined Contribution Savings Plans (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Jun. 30, 2024 |
Jun. 30, 2023 |
Jun. 30, 2022 |
|
| Defined Benefit Plan Disclosure [Line Items] | |||
| Defined contribution saving plan costs recorded | $ 50.9 | $ 58.1 | $ 51.1 |
| 401(k) savings plan | |||
| Defined Benefit Plan Disclosure [Line Items] | |||
| Defined contribution saving plan costs recorded | 47.2 | 54.0 | 47.5 |
| ERSP | |||
| Defined Benefit Plan Disclosure [Line Items] | |||
| Defined contribution saving plan costs recorded | $ 3.7 | $ 4.1 | $ 3.6 |