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Stock-Based Compensation - Narrative (Details) - USD ($) | 12 Months Ended
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Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2021
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Income tax benefit realized | $ 10,110,000 | $ 8,218,000 | $ 8,009,000
ESPP Plan |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Number of shares authorized for grants (in shares) | 1,500,000 |  |
Percentage of fair market value | 95.00% |  |
Percentage of employee compensation | 20.00% |  |
Stock-based compensation expense | $ 0 |  |
Cumulative shares purchased under ESPP Plan (in shares) | 1,330,161 |  |
Cumulative weighted-average purchase price per share (in dollars per shares) | $ 77.17 |  |
Shares purchased under ESPP Plan (in shares) | 36,695 |  |
Weighted-average price per share (in dollars per shares) | $ 263.40 |  |
MSPP Plan |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Number of shares authorized for grants (in shares) | 500,000 |  |
Percentage of annual bonus in lieu of which RSU received | 100.00% | 100.00% | 100.00%
MSPP Plan | Maximum |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Percentage of annual bonus in lieu of which RSU received | 100.00% |  |
DSPP Plan |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Number of shares authorized for grants (in shares) | 75,000 |  |
Percentage of annual bonus in lieu of which RSU received | 100.00% |  |
Number of awards outstanding (in shares) | 0 |  |
Restricted Stock Units |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Total intrinsic value of RSUs that vested | $ 41,900,000 | $ 49,600,000 | $ 52,700,000
Income tax benefit realized | 10,700,000 | $ 12,900,000 | $ 13,900,000
Unrecognized compensation cost | $ 56,000,000 |  |
Weighted-average period to recognize unrecognized compensation cost (in years) | 1 year 10 months 13 days |  |
Vesting period (in years) | 3 years | 3 years | 3 years

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