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Goodwill and Other Intangibles Other Intangibles (Footnote) (Details) - USD ($)
$ in Millions
Mar. 31, 2016
Dec. 31, 2015
Trade names and trademarks    
Finite-Lived Intangible Assets [Line Items]    
Indefinite-lived intangible asset, gross carrying amount $ 113.2 $ 113.1
Other    
Finite-Lived Intangible Assets [Line Items]    
Indefinite-lived intangible asset, gross carrying amount $ 22.1 $ 21.9