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Equity, Long-Term Incentive Compensation Plans and Non-controlling Interest - Cash-Based Long-Term Incentive Compensation (Details) - Cash long-term incentive plan - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Mar. 31, 2019 | Mar. 31, 2018 | Mar. 31, 2019 | Mar. 31, 2018
Cash Long-Term Incentive Plan |  |  |  |
Cash-based long-term incentive plan, granted amount |  |  | $ 7.9 | $ 5.9
Cash long-term incentive plan, compensation expense | $ 12.2 | $ 11.6 | 39.4 | $ 37.9
Cash long-term incentive plan, unrecognized compensation balance | $ 93.7 |  | $ 93.7 |

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- Details
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