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Earnings Per Share
 12 Months Ended
Dec. 31, 2024
Earnings Per Share [Abstract]  
Earnings Per Share Earnings Per Share
The numerator for both basic and diluted earnings per share is Net income. The denominator for basic earnings per share is the weighted-average shares outstanding during the period.
A reconciliation of basic weighted-average shares outstanding to diluted weighted-average shares outstanding is as follows:
Year Ended December 31,
202420232022
Basic weighted-average shares outstanding133.8 134.6 135.2 
Effect of dilutive securities(1)
1.4 1.7 1.8 
Diluted weighted-average shares outstanding(2)
135.2 136.3 137.0 
(1)The dilutive effect of outstanding stock options, restricted stock units, performance share units and Coworker Stock Purchase Plan (“CSPP”) units is reflected in the diluted weighted-average shares outstanding using the treasury stock method.
(2)There were fewer than 0.2 million potential common shares excluded from diluted weighted-average shares outstanding for the years ended December 31, 2024, 2023 and 2022, respectively. Inclusion of these common shares in diluted weighted average shares outstanding would have had an anti-dilutive effect.