Year ended May 31,

In millions, except per share amounts

2020

2019

2018

Basic earnings per share:

Net income

$

1,098.1

$

1,034.4

$

994.1

Weighted-average common shares outstanding

358.5

359.2

359.0

Basic earnings per share

$

3.06

$

2.88

$

2.77

Diluted earnings per share:

Net income

$

1,098.1

$

1,034.4

$

994.1

Weighted-average common shares outstanding

358.5

359.2

359.0

Dilutive effect of common share equivalents

2.5

2.6

2.5

Weighted-average common shares outstanding, assuming dilution

361.0

361.8

361.5

Diluted earnings per share

$

3.04

$

2.86

$

2.75

Weighted-average anti-dilutive common share equivalents

0.7

0.4

0.7