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Supplemental Financial Information (Accrued Liabilities) (Details) - USD ($) $ in Millions	Sep. 30, 2019	Dec. 31, 2018
Supplemental Financial Information [Abstract]
Accrued interest	$ 99.0	$ 100.6
Personnel costs	117.9	82.5
Taxes	65.3	36.9
Deferred revenue	24.6	56.9
Other Accrued Liabilities, Current	7.2	14.3
Current lease liability	23.4	0.0
Liability, Pension and Other Postretirement and Postemployment Benefits, Current	34.1	0.0
Derivative liabilities	7.8	10.9
Other	28.4	15.9
Accrued liabilities and other	$ 407.7	$ 318.0

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Amount of deferred income and obligation to transfer product and service to customer for which consideration has been received or is receivable, classified as current.

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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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