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Debt And Liquidity (Narrative) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021 | Dec. 31, 2021
Debt Instrument [Line Items] |  |  |  |  |
Repayments of Long-term Debt |  |  | $ 110,000 | $ 300,000 |
Fair Value, Inputs, Level 3 |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Fair Value of Debt | $ 778,600 |  | 778,600 |  | $ 1,051,600
2018 Term Loan Facility |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Repayments of Long-term Debt | $ 0 | $ 100,000 | $ 110,000 | $ 300,000 |

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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 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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- Definition The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3291-108585 + Details
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