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CONDENSED CONSOLIDATED BALANCE SHEETS (UNAUDITED) (Parenthetical) - $ / shares
shares in Millions
Mar. 31, 2020
Dec. 31, 2019
Balance Sheet Related Disclosures [Abstract]    
Preferred stock, shares authorized (in shares) 3.0 3.0
Preferred stock, shares issued (in shares) 0.0 0.0
Preferred stock, shares outstanding (in shares) 0.0 0.0
Common stock, par value (in dollars per share) $ 0.25 $ 0.25
Common stock, shares authorized (in shares) 100.0 100.0
Common stock, shares issued (in shares) 75.3 75.3
Common stock, shares outstanding (in shares) 73.6 74.1
Treasury stock, at cost (in shares) 1.7 1.2