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Earnings Per Share
 9 Months Ended
Sep. 30, 2023
Earnings Per Share [Abstract]  
Earnings Per Share Earnings Per Share
Basic earnings per share (“EPS”) is computed by dividing Net income attributable to Orion by the weighted average number of common stock outstanding during the period. Diluted EPS equals Net income attributable to Orion divided by the weighted average number of common stock outstanding during the period, adjusted for the dilutive effect of our stock–based and other equity compensation awards.
The following table reflects the income and share data used in the basic and diluted EPS computations:
Three Months Ended September 30,Nine Months Ended September 30,
2023202220232022
(In millions, except share and per share data)
Net income attributable to ordinary equity holders$26.2 $31.8 $98.6 $94.0 
Weighted average number of Common stock (in thousands)58,572 60,936 59,284 60,899 
Basic EPS$0.45 $0.52 $1.66 $1.54 
Dilutive effect of share based payments (in thousands)680 279 650 415 
Weighted average number of diluted Common stock (in thousands)59,252 61,215 59,934 61,314 
Diluted EPS$0.44 $0.52 $1.65 $1.53