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Fair Value Measurements And Derivative Instruments (Narrative) (Details 4) - USD ($) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019 | Jun. 30, 2018
Derivatives, Fair Value [Line Items] |  |  |  |
Effective interest rate | 4.20% |  |  |
Repayments of Secured Debt | $ 400,000,000 | $ 896,214,000 | $ 350,140,000 |
Interest expense | 68,760,000 | 98,074,000 | $ 127,331,000 |
host financial instrument |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |
Liability Derivatives | 7,000,000 |  |  |
Derivatives not designated as hedges: |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |
Liability Derivatives | 2,000 | 1,063,000 |  |
Other long-term obligations | host financial instrument |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |
Liability Derivatives | 4,400,000 |  |  |
2018 Credit Agreement [Member] | Senior Subordinated Notes [Member] |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |
Repayments of Secured Debt |  | 500,000,000 |  |
Interest rate swap |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |
Derivative, notional amount | $ 500,000,000 |  |  |
Derivative, Term of Contract | 2 years |  |  |
Effective interest rate |  |  |  | 5.10%
Assets, Fair Value Disclosure | $ 5,900,000 |  |  |
Interest rate swap | Derivatives not designated as hedges: |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |
Interest expense | 900,000 |  |  |
Interest rate swap | Other Current Liabilities [Member] | Derivatives not designated as hedges: |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |
Liability Derivatives |  | $ 952,000 |  |
Interest rate swap | Derivatives not designated as hedges: |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |
Derivative, notional amount | 250,000,000 |  |  |
Interest rate swap 2 |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |
Derivative, notional amount | $ 500,000,000 |  |  |
Derivative, Term of Contract | 5 years |  |  |
Interest Rate Swap Four |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |
Derivative, notional amount | $ 250,000,000 |  |  |
Plan |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |
Effective interest rate | 3.95% |  |  |
Plan | Interest rate swap |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |
Effective interest rate |  |  |  | 4.85%

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- Definition Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 + Details
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- Definition Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 6 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123466204&loc=SL6036836-161870 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=124435984&loc=d3e28551-108399 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=124429444&loc=SL124452920-239629 Reference 4: 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(a)(1)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 20 -Section 50 -Paragraph 4D -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=121570589&loc=SL51823488-111719 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (a),(c) -URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5624163-113959 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226000-175313 Reference 5: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 22 -URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226052-175313 + Details
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