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Long-Term and Other Debt - Gain (Loss) on Debt Financing Transactions (Details) - USD ($) $ in Millions | 1 Months Ended | 12 Months Ended
--- | --- | ---
Feb. 28, 2018 | Aug. 31, 2017 | Feb. 28, 2017 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Debt Disclosure [Abstract] |  |  |  |  |  |
Repurchase and cancellation of principal balance at premium (discount) |  |  |  | $ 110.3 | $ 0.0 | $ (26.0)
Unamortized debt (premium) discount and deferred financing costs. net |  |  |  | (29.8) | 26.4 | 0.8
Third party debt issuance fees |  |  |  | 12.7 | 11.7 | 0.0
Loss (gain) on debt financing transactions | $ 93.2 | $ 8.4 | $ 29.7 | $ 93.2 | $ 38.1 | $ (25.2)

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- Definition Repurchase And Cancellation Of Principal Balance At Premium (Discount) + References No definition available. + Details
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- Definition Write Off Of Deferred Debt Issuance Costs And Discount (Premium) + References No definition available. + Details
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- Definition Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 50 -Section 40 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=114001942&loc=d3e12355-112629 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 50 -Section 40 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=114001942&loc=d3e12317-112629 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585 + Details
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- Definition Amount of cash outflow for cost from early extinguishment and prepayment of debt. Includes, but is not limited to, third-party cost, premium paid, and other fee paid to lender directly for debt extinguishment or debt prepayment. Excludes accrued interest. + 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 (g) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3291-108585 + Details
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