Earnings Per Share

9 Months Ended

Sep. 30, 2023

Basic and diluted earnings per share were calculated as follows:


	Three months ended				Nine months ended
In millions, except per-share data	September 30, 2023		September 30, 2022		September 30, 2023		September 30, 2022
Net income	$	132.1	$	115.4	$	414.7	$	385.9
Net income from continuing operations	$	132.1	$	115.4	$	414.8	$	386.9
Weighted average ordinary shares outstanding
Basic	165.2		164.5		165.0		164.8
Dilutive impact of stock options, restricted stock units and performance share units	1.4		0.7		1.2		1.0
Diluted	166.6		165.2		166.2		165.8
Earnings (loss) per ordinary share
Basic
Continuing operations	$	0.80	$	0.70	$	2.51	$	2.35
Discontinued operations	—		—		—		(0.01)
Basic earnings per ordinary share	$	0.80	$	0.70	$	2.51	$	2.34
Diluted
Continuing operations	$	0.79	$	0.70	$	2.50	$	2.33
Discontinued operations	—		—		—		(0.01)
Diluted earnings per ordinary share	$	0.79	$	0.70	$	2.50	$	2.32
Anti-dilutive stock options excluded from the calculation of diluted earnings per share	0.2		1.0		0.3		0.7