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Earnings Per Share and Shareholders' Equity Transactions (Tables)
 3 Months Ended
Mar. 31, 2021
Earnings Per Share [Abstract]  
Information Regarding Basic and Diluted Earnings Per Share

The following table provides weighted average share information used in the calculation of the Company’s basic and diluted earnings per share:

 

 

 

Three Months Ended

 

 

 

March 31,

 

(in millions, except per share data)

 

2021

 

 

2020

 

Basic shares used in the calculation of earnings per share

 

 

36.4

 

 

 

38.3

 

Dilutive effect of securities (1):

 

 

 

 

 

 

 

 

Employee stock options

 

 

0.3

 

 

 

—

 

Non-vested stock grants

 

 

0.2

 

 

 

—

 

Diluted shares used in the calculation of earnings per share

 

 

36.9

 

 

 

38.3

 

Per share effect of dilutive securities on income (loss) from

   continuing operations

 

$

(0.03

)

 

$

—

 

Per share effect of dilutive securities on net income

 

$

(0.04

)

 

$

—

 

(1)

Excludes 0.6 million shares due to antidilution that resulted from the Company having losses from continuing operations and net losses for the quarter ended March 31, 2020.