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Supplemental Financial Information (Accrued Liabilities) (Details) - USD ($) $ in Millions	Jun. 30, 2019	Dec. 31, 2018
Supplemental Financial Information [Abstract]
Accrued interest	$ 136.9	$ 100.6
Personnel costs	101.2	82.5
Taxes	53.7	36.9
Deferred revenue	46.2	56.9
Other Accrued Liabilities, Current	26.5	14.3
Operating Lease, Liability, Current	21.5	0.0
Liability, Pension and Other Postretirement and Postemployment Benefits, Current	19.7	0.0
Derivative liabilities	5.1	10.9
Other	27.5	15.9
Accrued liabilities and other	$ 438.3	$ 318.0

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The carrying amount of consideration received or receivable as of the balance sheet date on potential earnings that were not recognized as revenue in conformity with GAAP, and which are expected to be recognized as such within one year or the normal operating cycle, if longer, including sales, license fees, and royalties, but excluding interest income.

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Carrying value as of the balance sheet date of obligations incurred and payable for statutory income, sales, use, payroll, excise, real, property and other taxes. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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