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Retirement Plans (Details) - USD ($) | 12 Months Ended
--- | ---
Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2020
Supplemental Savings Plan |  |  |
Defined Contribution Plan Disclosure [Line Items] |  |  |
Contribution expense | $ 900,000 | $ 1,600,000 | $ 1,900,000
Employee contribution maximum, percentage of base compensation | 50.00% |  |
Employee contribution maximum, percentage of bonuses | 100.00% |  |
Employer contribution percentage | 5.00% |  |
Employer contribution vesting period | 5 years |  |
Annual IRC compensation limit | $ 305,000 |  |
Supplemental savings plan obligation | 109,700,000 |  |
Supplemental savings plan obligation, current portion | 7,500,000 |  |
Increase (decrease) in supplemental savings plan obligation | (14,300,000) |  |
Supplemental savings plan investment gains (losses) | (5,500,000) |  |
Distributions paid to participants | 23,600,000 |  |
Supplemental savings plan participant compensation deferral | 13,800,000 |  |
Company contributions | 1,000,000.0 |  |
Supplemental savings plan COLI gains (losses) | (5,000,000.0) | 9,700,000 |
COLI portion of supplemental savings plan assets | 96,100,000 | 103,000,000.0 |
Defined Contribution Plans |  |  |
Defined Contribution Plan Disclosure [Line Items] |  |  |
Contribution expense | $ 100,300,000 | $ 97,600,000 | $ 94,800,000

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