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Stock-Based Compensation Plans - Narrative (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
 3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Long-Term Incentive Plan    
Stock-based compensation expense $ 10.6 $ 8.7
Options granted (shares) 3.9  
Options granted exercise price (in dollars per share) $ 10.64  
Performance-based restricted stock units and Restricted stock units granted (in shares) 5.0  
Performance-based restricted stock units and Restricted stock units weighted average grant date fair value (in dollars per share) $ 10.65  
Number of options outstanding (in shares) 12.3  
Exercise price of options outstanding (in dollars per share) $ 13.52  
Number of options exercisable (in shares) 4.6  
Exercise price of options exercisable (in dollars per share) $ 15.78  
Number of non-vested Performance-based restricted stock units and Restricted stock units (in shares) 10.9  
Grant date fair value of Performance-based restricted stock units and Restricted stock units (in dollars per share) $ 12.27