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Revolving and Other Lines of Credit and Notes Payable (Details) - USD ($) | Jun. 30, 2020 | Jun. 30, 2019 | Jun. 07, 2018
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Notes Payable and Lines of Credit (Textual) [Abstract] |  |  |
Notes Payable | $ 400,000 | $ 200,000 |
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 | 500,000,000.0 | $ 0 |
Notes Payable to Banks [Member] |  |  |
Notes Payable and Lines of Credit (Textual) [Abstract] |  |  |
Line of Credit Facility, Maximum Borrowing Capacity | 92,200,000 |  |
Line of Credit Facility Unused | 200,000,000.0 |  |
Line of Credit [Member] |  |  |
Notes Payable and Lines of Credit (Textual) [Abstract] |  |  |
Net Debt to EBITDA Ratio, domestic cash allowed to net debt, amount, minimum | 25,000,000 |  |
Net debt to EBITDA Ratio, Maximum | 3.5 |  |
Net Debt to EBITDA Ratio, allowable adjustment for cash restructuring charges, amount | 80,000,000 |  |
Consolidated Interest Coverage Ratio, Minimum | $ 3.5 |  |
Debt, Weighted Average Interest Rate | 2.17% |  |

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- Definition Net Debt to EBITDA Ratio, allowable adjustment for cash restructuring charges, amount + References No definition available. + Details
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- Definition Net Debt to EBITDA Ratio, domestic cash allowed to net debt, amount, minimum + References No definition available. + Details
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- Definition Notes payable and lines of credit. + References No definition available. + Details
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- Definition Fair value of the amount outstanding under the credit facility. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=118260190&loc=d3e13433-108611 + Details
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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