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Long-Term Debt (Details) - USD ($) | Sep. 30, 2021 | Jun. 30, 2021 | Jun. 07, 2018
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Long-Term Debt (Additional Textual) [Abstract] |  |  |
Fixed rate at fair market value | $ 641,600,000 | $ 644,200,000 |
Debt Instrument [Line Items] |  |  |
Long-term Debt and Lease Obligation | 592,510,000 | 592,108,000 |
2018 Credit Agreement [Member] |  |  |
Long-Term Debt (Textual) [Abstract] |  |  |
Line of Credit Facility, Remaining Borrowing Capacity | 700,000,000 |  |
Borrowing outstanding under 2018 Credit Agreement | 0 | $ 0 |
Line of Credit Facility, Maximum Borrowing Capacity |  |  | $ 700,000,000
Line of Credit [Member] |  |  |
Long-Term Debt (Textual) [Abstract] |  |  |
Amended Net Debt to EBITDA Ratio, allowable adjustment for cash restructuring charges, amount | 120,000,000 |  |
Amended Net Debt to EBITDA Ratio, Maximum | 4.25 |  |
Consolidated Interest Coverage Ratio, Minimum | 3.5 |  |
Net Debt to EBITDA Ratio, Maximum | 3.5 |  |
Net Debt to EBITDA Ratio, domestic cash allowed to net debt, amount, minimum | $ 25,000,000 |  |

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- Definition Amended Net Debt to EBITDA Ratio, allowable adjustment for cash restructuring charges, amount + References No definition available. + Details
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- Definition Amended Net Debt to EBITDA Ratio, Maximum + References No definition available. + Details
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- Definition Consolidated Interest Coverage Ratio, Minimum + References No definition available. + Details
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- Definition Long term debt and capital leases. + References No definition available. + Details
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- Definition Long term debt and capital leases. + References No definition available. + Details
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- Definition Net Debt to EBITDA Ratio, Maximum + 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 Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + 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=123594938&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=120391452&loc=d3e13212-122682 + Details
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- Definition Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding). + 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=120391452&loc=d3e13212-122682 + Details
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- Definition Amount of long-term debt and lease obligation, classified as noncurrent. + 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(22)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. + References No definition available. + Details
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