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v3.23.1

Debt and Credit Arrangements - Senior Secured and Unsecured Notes (Details) - USD ($) |  | 3 Months Ended |
--- | --- | --- | ---
Dec. 22, 2022 | Mar. 31, 2023 | Mar. 31, 2022 | Dec. 31, 2022
Debt Instrument |  |  |  |
Unamortized discount |  | $ 29,200,000 |  | $ 29,900,000
Payments for debt issuance costs |  | 121,500,000 | $ 0 |
Financing costs amortization |  | 2,800,000 | $ 700,000 |
Secured And Unsecured Debt |  |  |  |
Debt Instrument |  |  |  |
Redemption price, percentage of principal amount redeemed (percent) | 40.00% |  |  |
Redemption price (percent) | 101.00% |  |  |
Unamortized discount | $ 30,000,000.0 |  |  |
Deferred debt issuance cost | 36,800,000 |  |  |
Payments for debt issuance costs |  | 32,000,000.0 |  |
Financing costs amortization |  | 1,000,000.0 |  |
Senior Secured Notes Due 2030 | Secured Debt |  |  |  |
Debt Instrument |  |  |  |
Principal amount | $ 1,460,000,000 | $ 1,460,000,000 |  | 1,460,000,000
Debt instrument stated interest rate (percent) | 7.50% | 7.50% |  |
Issue price (percent) | 98.661% |  |  |
Senior Unsecured Notes Due 2031 | Unsecured Debt |  |  |  |
Debt Instrument |  |  |  |
Principal amount | $ 510,000,000.0 | $ 510,000,000.0 |  | $ 510,000,000.0
Debt instrument stated interest rate (percent) | 9.50% | 9.50% |  |
Issue price (percent) | 97.949% |  |  |

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- Definition Amount of amortization expense attributable to debt issuance costs. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(8)) -URI https://asc.fasb.org/extlink&oid=126953954&loc=SL114868664-224227 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1F -Subparagraph (b)(2) -URI https://asc.fasb.org/extlink&oid=123466505&loc=SL123495355-112611 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 3 -URI https://asc.fasb.org/extlink&oid=124435984&loc=d3e28555-108399 + Details
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