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Notes Payable and Lines of Credit (Details) - USD ($) | 12 Months Ended |  |
--- | --- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 07, 2018
Notes Payable and Lines of Credit (Textual) [Abstract] |  |  |
Notes Payable | $ 8,365,000 | $ 500,368,000 |
Notes Payable |  | 400,000 |
Line of Credit |  |  |
Notes Payable and Lines of Credit (Textual) [Abstract] |  |  |
Debt, Weighted Average Interest Rate | 3.10% |  |
Net Debt to EBITDA Ratio, domestic cash allowed to net debt, amount, minimum | $ 25,000,000 |  |
Net Debt to EBITDA Ratio, Maximum | 3.5 |  |
Amended Net Debt to EBITDA Ratio, allowable adjustment for cash restructuring charges, amount | 120,000,000 |  |
Consolidated Interest Coverage Ratio, Minimum | 3.5 |  |
Amended Net Debt to EBITDA Ratio, Maximum | 4.25 |  |
Notes Payable to Banks [Member] |  |  |
Notes Payable and Lines of Credit (Textual) [Abstract] |  |  |
Line of Credit Facility, Maximum Borrowing Capacity | 65,000,000.0 |  |
Line of Credit Facility Unused | 700,000,000.0 |  |
Twenty Eighteen Credit Agreement [Member] [Domain] |  |  |
Notes Payable and Lines of Credit (Textual) [Abstract] |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  | $ 700,000,000.0
Line of Credit Facility, Fair Value of Amount Outstanding | $ 0 | $ 500,000,000.0 |
Term of Long Term Debt | 5 years |  |

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