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Earnings Per Share (Tables)
12 Months Ended
Dec. 31, 2023
Earnings Per Share [Abstract]  
Net income and weighted average common shares outstanding used in earnings per share calculations table
The following table presents the net income and the weighted average number of shares outstanding used in the earnings per common share calculations.
Years Ended December 31,
202320222021
(in millions, except share data)
Net income$118.1 $48.4 $119.3 
Weighted average number of shares outstanding–basic26,368,801 27,503,941 28,289,118 
Effect of dilutive securities:
Stock options2,072 11,256 27,033 
PSUs110,342 131,465 237,999 
RSUs42,436 34,326 46,843 
Dilutive potential shares154,850 177,047 311,875 
Weighted average number of shares outstanding–diluted26,523,651 27,680,988 28,600,993