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Earnings per Share (Tables)
 3 Months Ended
Mar. 31, 2017
Earnings Per Share [Abstract]  
Reconciliation of Numerator and Denominator of Basic and Diluted Earnings per Share Calculation and Anti-dilutive Share-based Awards

The reconciliation of the numerator and denominator of the basic and diluted earnings per share calculation and the anti-dilutive share-based awards for the three months ended March 31, 2017 and 2016 were as follows:

 

 

Three Months Ended

 

 

March 31,

 

 

2017

 

 

2016

 

Net earnings per share:

 

 

 

 

 

 

 

Basic

$

0.29

 

 

$

0.41

 

Diluted

$

0.28

 

 

$

0.41

 

Numerator:

 

 

 

 

 

 

 

Net earnings

$

9.3

 

 

$

13.4

 

Denominator:

 

 

 

 

 

 

 

Weighted average number of common shares outstanding

 

32.6

 

 

 

32.4

 

Dilutive awards

 

0.2

 

 

 

—

 

Diluted weighted average number of common shares outstanding

 

32.8

 

 

 

32.4

 

Weighted average number of anti-dilutive share-based awards:

 

 

 

 

 

 

 

Restricted stock units

 

0.1

 

 

 

—

 

Stock options

 

0.1

 

 

 

—

 

Total

 

0.2

 

 

 

—