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Supplemental Financial Information (Accrued Liabilities And Other) (Details) - USD ($) $ in Millions	Dec. 31, 2017	Dec. 31, 2016
Supplemental Financial Information [Abstract]
Personnel costs	$ 112.0	$ 124.0
Deferred revenue	73.0	116.7
Accrued interest	83.1	71.7
Taxes	46.4	40.7
Derivative Liability	0.4	12.7
Other	11.0	10.8
Accrued liabilities and other	$ 325.9	$ 376.6

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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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Fair value, after the 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, expected to be settled within one year or normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.

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