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(Loss) Earnings Per Common Share (Tables)
 12 Months Ended
Dec. 31, 2024
Earnings Per Share [Abstract]  
Schedule of Computation of Basic and Diluted Earnings Per Share
The following table summarizes the computation of Basic and Diluted EPS (in millions, except per share data):
Year Ended December 31,
 202420232022
(Loss) earnings per common share—basic
Net (loss) income$(1,447.7)$95.0 $157.9 
Weighted-average common shares outstanding—basic183.7 185.0 184.9 
(Loss) earnings per common share—basic$(7.88)$0.51 $0.85 
Earnings per common share—diluted
Net (loss) income$(1,447.7)$95.0 $157.9 
Interest expense— 6.5 6.4 
Net (loss) income attributable to earnings per common share—diluted$(1,447.7)$101.5 $164.3 
Weighted-average common shares outstanding—basic183.7 185.0 184.9 
Incremental shares for assumed conversion of Convertible Notes— 14.7 14.7 
Outstanding options, restricted stock units and performance share units— 1.4 1.7 
Weighted-average common shares outstanding—diluted183.7 201.1 201.3 
(Loss) earnings per common share—diluted$(7.88)$0.50 $0.82