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CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) (Parenthetical) - USD ($)
shares in Millions, $ in Millions
Mar. 31, 2017
Dec. 31, 2016
Statement of Financial Position [Abstract]    
Receivables, allowances (in dollars) $ 4.4 $ 4.4
Common Stock, par value (in dollars per share) $ 0.01 $ 0.01
Common Stock, authorized 3,000.0 3,000.0
Common Stock, Shares, Issued 188.6 188.3