v3.19.2

Employee Benefit Plans - Defined Benefit Pension Plans (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2017
Defined Benefit Plan Disclosure [Line Items] |  |  |
Benefit expense | $ 4.4 | $ 4.9 | $ 4.3
Benefit obligation | 50.8 | 42.8 | 39.7
SORP | Supplemental Employee Retirement Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Benefit expense | 3.9 | 4.3 | 3.6
Benefit obligation | 45.5 | 38.3 | 35.4
SERP | Supplemental Employee Retirement Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Benefit expense | 0.5 | 0.6 | 0.7
Benefit obligation | $ 5.4 | $ 4.5 | $ 4.3

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