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Income Taxes (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Mar. 31, 2022 | Mar. 31, 2021 | Mar. 31, 2022 | Mar. 31, 2021
Net discrete tax benefits for equity-based compensation |  | $ 2.2 |  |
ASU 2016-09 |  |  |  |
Net discrete tax benefits for equity-based compensation | $ 0.2 | $ 0.2 | $ 2.0 | $ 0.5
Effective income tax rate (as a percent) | 20.10% | 33.70% | 20.80% | 30.10%
Return-to-provision true-up adjustments |  |  |  | $ 2.3
Change in prior year tax estimates |  | $ 2.4 |  | $ 2.8

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