Year ended May 31,

In millions, except per share amounts

2021

2020

2019

Basic earnings per share:

Net income

$

1,097.5

$

1,098.1

$

1,034.4

Weighted-average common shares outstanding

359.9

358.5

359.2

Basic earnings per share

$

3.05

$

3.06

$

2.88

Diluted earnings per share:

Net income

$

1,097.5

$

1,098.1

$

1,034.4

Weighted-average common shares outstanding

359.9

358.5

359.2

Dilutive effect of common share equivalents

2.2

2.5

2.6

Weighted-average common shares outstanding, assuming dilution

362.1

361.0

361.8

Diluted earnings per share

$

3.03

$

3.04

$

2.86

Weighted-average anti-dilutive common share equivalents

0.6

0.7

0.4