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EARNINGS PER SHARE
 3 Months Ended
Mar. 31, 2023
Earnings Per Share [Abstract]  
EARNINGS PER SHARE EARNINGS PER SHARE The computation of basic and diluted earnings per share for Net income attributable to Wabtec shareholders is as follows:
Three Months Ended
March 31,
In millions, except per share data20232022
Numerator
Net income attributable to Wabtec shareholders$169 $149 
Denominator
Weighted average shares outstanding - basic179.9 184.5 
Effect of dilutive securities:
Assumed conversion of dilutive stock-based compensation plans0.7 0.5 
Weighted average shares outstanding - diluted180.6 185.0 
Net income attributable to Wabtec shareholders per common share
Basic$0.94 $0.80 
Diluted$0.93 $0.80