(In millions, except per share amounts)

2021

2020

2019

(A) Net income

$

740.1

$

555.9

$

303.6

(B) Weighted average number of common shares outstanding

82.9

83.4

84.0

Dilutive shares (additional common shares issuable under stock-based awards)

.9

.7

1.0

(C) Weighted average number of common shares outstanding, assuming dilution

83.8

84.1

85.0

Net income per common share (A) ÷ (B)

$

8.93

$

6.67

$

3.61

Net income per common share, assuming dilution (A) ÷ (C)

$

8.83

$

6.61

$

3.57