v3.25.0.1
Earnings Per Share
 12 Months Ended
Dec. 31, 2024
Earnings Per Share [Abstract]  
Earnings Per Share EARNINGS PER SHARE
Basic and diluted earnings per common share were calculated as follows:
 Year Ended December 31
(in millions, except per share amounts)202420232022
Net earnings$550 $681 $579 
Weighted-average common shares outstanding39.4 39.9 40.1 
Net effect of dilutive stock options and awards— — — 
Dilutive weighted-average common shares outstanding39.4 39.9 40.1 
Earnings per share - basic$13.96 $17.07 $14.44 
Earnings per share - diluted$13.96 $17.07 $14.44 

The Company's calculation of diluted earnings per common share includes the dilutive effects of the assumed exercise of stock options and vesting of restricted stock based on the treasury stock method. Under the treasury stock method, the Company has excluded from the diluted share amounts presented above the effects of 0.4 million
Restricted Performance Stock Rights ("RPSRs") and 0.1 million Restricted Stock Rights ("RSRs") for the year ended December 31, 2024, and 0.4 million RPSRs for each of the years ended December 31, 2023 and 2022.