Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2023

Earnings Per Share [Abstract]

Schedule of Computation of Earnings Per Share and Effect on Weighted-Average Number of Shares

The following table shows the computation of basic and diluted earnings per share:

	First Quarter of
	2023		2022
(In millions, except per share amounts)
Numerator:
Net income	$	128.8	$	110.3
Denominator:
Weighted-average number of common shares used in basic earnings per share	247.2		250.8
Effect of dilutive securities	1.5		2.0
Weighted-average number of common shares and dilutive potential common shares used in diluted earnings per share	248.7		252.8
Basic earnings per share	$	0.52	$	0.44
Diluted earnings per share	$	0.52	$	0.44
Antidilutive weighted-average shares (1)	1.6		0.7

(1)    Antidilutive stock-based awards are excluded from the calculation of diluted shares and diluted earnings per share because their impact would increase diluted earnings per share.