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EARNINGS PER-SHARE
6 Months Ended
Jun. 30, 2020
EARNINGS PER-SHARE  
EARNINGS PER-SHARE

10.          EARNINGS PER SHARE

Basic earnings per share is determined by dividing net income by the weighted average common shares outstanding during the period. The calculation of diluted earnings per share includes the dilutive effect of unexercised non-qualified stock options and non-vested restricted stock units. The computation of weighted average common shares outstanding excluded a nominal amount of anti-dilutive non-qualified stock options for each period ended June 30, 2020 and 2019.

The denominators used to compute basic and diluted earnings per share for the three and six months ended June 30, 2020 and 2019 are as follows:

Three Months Ended June 30, 2020

Six Months Ended June 30, 2020

    

    

Weighted

    

Per

    

    

Weighted

    

Per

Average

Common

Average

Common

Net

Common

Share

Net

Common

Share

(In millions, except per share amounts)

Income

Shares

Amount

Income

Shares

Amount

Basic

$

32.8

 

43.1

$

0.76

$

36.6

 

43.0

$

0.85

Effect of Dilutive Securities

 

0.2

 

0.3

Diluted

$

32.8

43.3

$

0.76

$

36.6

43.3

$

0.85

   

Three Months Ended June 30, 2019

Six Months Ended June 30, 2019

    

Weighted

    

Per

    

    

Weighted

    

Per

Average

Common

Average

Common

Net

Common

Share

Net

Common

Share

(In millions, except per share amounts)

Income

Shares

Amount

Income

Shares

Amount

Basic

$

18.4

 

42.8

$

0.43

$

30.9

 

42.8

$

0.72

Effect of Dilutive Securities

 

0.4

 

0.4

Diluted

$

18.4

43.2

$

0.43

$

30.9

43.2

$

0.72