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Supplemental Financial Information (Other Current Assets) (Details) - USD ($) $ in Millions	Mar. 31, 2018	Dec. 31, 2017
Supplemental Financial Information [Abstract]
Inventory	$ 281.9	$ 278.8
Prepaid taxes	47.3	43.5
Deferred costs	38.8	29.7
Prepaid expenses	14.2	14.2
Derivative Asset, Current	7.1	6.8
Assets Held-for-sale, Not Part of Disposal Group, Current	5.2	1.5
Other	15.7	6.7
Other current assets	$ 410.2	$ 381.2

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Supplemental Financial Information [Abstract]

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Amount of assets held-for-sale that are not part of a disposal group, expected to be sold within a year or the normal operating cycle, if longer.

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Fair value, after the effects of master netting arrangements, of a financial asset or other 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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Gross amount, as of the balance sheet date, of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process.

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Net amount of other deferred costs capitalized at the end of the reporting period. Does not include deferred finance costs or deferred acquisition costs of insurance companies.

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