Earnings Per Share

6 Months Ended

Jun. 30, 2021

Basic and diluted earnings per share were calculated as follows:


	Three months ended				Six months ended
In millions, except per-share data	June 30, 2021		June 30, 2020		June 30, 2021		June 30, 2020
Net income	$	132.1	$	72.1	$	260.7	$	144.8
Net income from continuing operations	$	132.6	$	73.8	$	263.7	$	146.5
Weighted average ordinary shares outstanding
Basic	166.0		165.8		166.1		166.8
Dilutive impact of stock options, restricted stock units and performance share units	1.8		0.6		1.6		0.7
Diluted	167.8		166.4		167.7		167.5
Earnings (loss) per ordinary share
Basic
Continuing operations	$	0.80	$	0.44	$	1.59	$	0.88
Discontinued operations	—		(0.01)		(0.02)		(0.01)
Basic earnings per ordinary share	$	0.80	$	0.43	$	1.57	$	0.87
Diluted
Continuing operations	$	0.79	$	0.44	$	1.57	$	0.87
Discontinued operations	—		(0.01)		(0.02)		(0.01)
Diluted earnings per ordinary share	$	0.79	$	0.43	$	1.55	$	0.86
Anti-dilutive stock options excluded from the calculation of diluted earnings per share	0.1		3.1		0.3		2.8