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CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares
shares in Millions
Sep. 30, 2016
Dec. 31, 2015
SHAREHOLDERS' EQUITY:    
Treasury shares 0.6 1.1
Common Class A [Member]    
SHAREHOLDERS' EQUITY:    
Common stock, par value (in dollars per share) $ 0.125 $ 0.125
Common stock, shares issued 126.0 125.9