EARNINGS (LOSS) PER COMMON SHARE (Tables)

6 Months Ended

Jun. 30, 2022

Earnings Per Share [Abstract]

Computation of Basic and Diluted Earnings (Loss) Per Share

The following table shows the effect of stock-based awards on the weighted average number of shares outstanding used in calculating diluted earnings per share:

In millions of shares
	Three Months Ended June 30,		Six Months Ended June 30,
	2022	2021	2022	2021
Weighted average common shares outstanding - basic	92.1	91.8	92.0	91.7
Incremental shares outstanding related to stock-based awards (1)	0.1	0.3	—	0.4
Weighted average common shares outstanding - diluted	92.2	92.1	92.0	92.1

(1)In periods of net loss, stock-based awards are anti-dilutive and therefore excluded from the earnings (loss) per share calculation.

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share

Anti-dilutive stock-based awards excluded from the computation of diluted earnings (loss) per share using the treasury stock method includes the following:

In thousands of shares
	Three Months Ended June 30,		Six Months Ended June 30,
	2022	2021	2022	2021
Option awards	1,233	1,958	1,395	2,131
RSU awards	579	8	235	5