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Stock-Based Compensation (Details 1) - USD ($) | 12 Months Ended
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Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2020
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Income tax benefit realized | $ 8,218,000 | $ 8,009,000 | $ 5,849,000
ESPP Plan |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Number of shares authorized for grants | 1,500,000 |  |
Percentage of fair market value | 95.00% |  |
Maximum number of shares that an eligible employee can purchase | The maximum number of shares that an eligible employee can purchase during any quarter is equal to two times an amount determined as follows: 20% of such employee’s compensation over the quarter, divided by 95% of the fair market value of a share of common stock on the last day of the quarter. |  |
Cumulative shares purchased under ESPP Plan | 1,293,466 |  |
Cumulative weighted-average purchase price per share | $ 71.89 |  |
Shares purchased under ESPP Plan | 35,404 |  |
Weighted-average price per share | $ 257.40 |  |
MSPP Plan |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Number of shares authorized for grants | 500,000 |  |
Percentage of annual bonus in lieu of which RSU received | 85.00% | 85.00% | 85.00%
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 | 75,000 |  |
Percentage of annual bonus in lieu of which RSU received | 100.00% |  |
Number of awards outstanding | 0 |  |
Restricted Stock Units |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Weighted-average fair value of RSUs granted | $ 249.04 | $ 243.87 | $ 252.25
Vesting period (in years) | 3 years |  |
Total intrinsic value of RSUs that vested | $ 49,600,000 | $ 52,700,000 | $ 79,600,000
Income tax benefit realized | 12,900,000 | $ 13,900,000 | $ 15,900,000
Unrecognized compensation cost | $ 59,300,000 |  |
Weighted-average period to recognize unrecognized compensation cost (in years) | 2 years 3 months 18 days |  |
SSARs and Stock Options |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Unrecognized compensation cost | $ 0 |  |

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