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Supplemental Financial Information (Other Current Assets) (Details) - USD ($) $ in Millions	Jun. 30, 2018	Dec. 31, 2017
Supplemental Financial Information [Abstract]
Inventory	$ 274.8	$ 278.8
Prepaid taxes	44.7	43.5
Prepaid expenses	13.3	14.2
Assets held-for-sale	3.4	1.5
Deferred costs	38.2	29.7
Derivative asset	1.3	6.8
Other	13.9	6.7
Other current assets	$ 389.6	$ 381.2

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Amount of assets held-for-sale that are not part of a disposal group.

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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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