EARNINGS PER SHARE (Tables)

12 Months Ended

Dec. 31, 2021

Earnings Per Share [Abstract]

Computation of Earnings Per Share

The computation of earnings per share from operations is as follows:

	For the Year Ended December 31,
In millions, except per share data	2021		2020		2019
Numerator
Net income attributable to Wabtec common shareholders - basic	$	556	$	413	$	325
Add: dividends declared - preferred shares	—		—		1
Net income attributable to Wabtec common shareholders - diluted	$	556	$	413	$	326
Denominator
Weighted average shares outstanding - basic	187.7		189.9		170.5
Effect of dilutive securities:
Assumed conversion of preferred shares	—		—		6.4
Assumed conversion of dilutive stock-based compensation plans	0.4		0.5		0.4
Weighted average shares outstanding - diluted	188.1		190.4		177.3
Net income per common share attributable to Wabtec shareholders
Basic	$	2.96	$	2.18	$	1.91
Diluted	$	2.96	$	2.17	$	1.84