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Stock-Based Compensation - Narratives (Details) - USD ($) $ in Millions | 12 Months Ended
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Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2021
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |
Excess tax benefits recognized | $ 2.9 | $ 1.1 | $ 5.2 |
Restricted stock units |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |
EBITDA target performance condition, years | 3 years | 3 years | 3 years |
Non-performance-based awards vesting period | 3 years | 3 years | 3 years |
Percentage of earned award vesting after three years |  |  |  | 50.00%
Vesting period for first half of award (in years) |  |  |  | 3 years
Percentage of earned award vesting after four years |  |  |  | 50.00%
Vesting period for second half of award (in years) |  |  |  | 4 years
Period to establish average share price for performance measurement |  |  |  | 90 days
Restricted stock units | Maximum |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |
Average share price milestone (as a percent) | 200.00% |  |  |
2016 Plan |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |
Number of shares authorized for grants (in shares) | 2,400,000 |  |  |
Cumulative equity instruments awarded (in shares) | 1,681,869 |  |  |
Cumulative equity instruments forfeited (in shares) | 298,988 |  |  |

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