Earnings per Share (Tables)

3 Months Ended

Mar. 31, 2023

Earnings Per Share [Abstract]

Components of Basic and Diluted Earnings Per Share

The components of basic and diluted earnings per share are as follows:

	Three Months Ended March 31,
In millions, except per share amounts	2023		2022
Net income attributable to common stockholders	$	40	$	36
Weighted average outstanding shares of common stock	101.4		105.0
Dilutive effect of employee stock options, restricted stock and other stock awards	2.4		3.6
Common stock and common stock equivalents	103.8		108.6
Net income per share:
Basic	$	0.39	$	0.34
Diluted	$	0.39	$	0.33