Segment Information (Reconciliation of Operating Profit from Segment to Consolidated) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Segment Reporting [Abstract]
Operating income from continuing operations	$ 141.3us-gaap_OperatingIncomeLoss	$ 142.2us-gaap_OperatingIncomeLoss	$ 106.5us-gaap_OperatingIncomeLoss
Less: interest expense	92.9us-gaap_InterestExpense	85.5us-gaap_InterestExpense	84.0us-gaap_InterestExpense
Less: loss on debt extinguishment	7.2	0	0
Earnings from continuing operations before income taxes and equity in earnings (loss) of unconsolidated entities	$ 41.2	$ 56.7	$ 22.5

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

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Sum of operating profit and nonoperating income or expense before Income or Loss from equity method investments, income taxes, extraordinary items, and noncontrolling interest.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

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Amount of the cost of borrowed funds accounted for as interest expense.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

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