Segment Reporting (Income From Operations And Total Assets) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014	Dec. 31, 2013
Income from Operations
Segment income from operations	$ 46.8us-gaap_OperatingIncomeLoss	$ 155.7us-gaap_OperatingIncomeLoss
Stock compensation	(2.2)	(5.9)
Restructuring and other infrequent expenses	(10.6)	0
Amortization of intangibles	(10.5)us-gaap_AmortizationOfIntangibleAssets	(10.0)us-gaap_AmortizationOfIntangibleAssets
Consolidated income from operations	46.8us-gaap_OperatingIncomeLoss	155.7us-gaap_OperatingIncomeLoss
Total Assets
Segment assets	7,395.9us-gaap_Assets
Cash and cash equivalents	338.9	193.9	363.7	1,047.2
Receivables from affiliates	124.3us-gaap_DueFromAffiliates		108.4us-gaap_DueFromAffiliates
Investments in affiliates	398.7		424.1
Deferred tax assets, other current and noncurrent assets	616.2		616.6
Intangible assets, net	533.3		553.8
Goodwill	1,120.1us-gaap_Goodwill		1,192.8us-gaap_Goodwill
Consolidated total assets	7,264.5us-gaap_Assets
Operating Segments [Member]
Income from Operations
Segment income from operations	99.1	203.0
Consolidated income from operations	99.1	203.0
Corporate [Member]
Income from Operations
Corporate expenses	$ (29.0)	$ (31.4)

Deferred tax assets, other current and noncurrent assets.

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The amount of expense, net of income tax, recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

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For an unclassified balance sheet, amount of receivables due from an entity that is affiliated with the reporting entity by means of direct or indirect ownership.

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The aggregate total of expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.

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Total investments in (A) an entity in which the entity has significant influence, but does not have control, (B) subsidiaries that are not required to be consolidated and are accounted for using the equity and or cost method, and (C) an entity in which the reporting entity shares control of the entity with another party or group. Includes long-term advances receivable from a party that is affiliated with the reporting entity by means of direct or indirect ownership.

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The net result for the period of deducting operating expenses from operating revenues.

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The aggregate amount provided for estimated restructuring charges, remediation costs, and asset impairment loss during an accounting period. Generally, these items are either unusual or infrequent, but not both (in which case they would be extraordinary items).

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