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Earnings Per Share (Tables)
 3 Months Ended
Mar. 31, 2018
Earnings Per Share [Abstract]  
Computation of Basic and Diluted Earnings Per Share from Continuing Operations

The following table sets forth the computation of basic and diluted earnings per share from continuing operations for the three months ended March 31, 2018 and 2017 (in thousands, except per share data).

 

 

 

Three Months Ended

 

 

 

March 31,

 

 

 

2018

 

 

2017

 

Numerator:

 

 

 

 

 

 

 

 

Income from continuing operations

 

$

35,810

 

 

$

25,026

 

Denominator:

 

 

 

 

 

 

 

 

Basic

 

 

 

 

 

 

 

 

Weighted average common shares outstanding

 

 

54,071

 

 

 

53,293

 

Diluted

 

 

 

 

 

 

 

 

Stock options (1)

 

 

1,449

 

 

 

1,473

 

Restricted stock awards (1)

 

 

367

 

 

 

426

 

Contingent shares (2)

 

 

37

 

 

 

22

 

Diluted weighted average common shares

   outstanding

 

 

55,924

 

 

 

55,214

 

Basic earnings per share from continuing operations

 

$

0.66

 

 

$

0.47

 

Diluted earnings per share from continuing operations

 

$

0.64

 

 

$

0.45

 

 

 

(1)

0.5 million share based awards were excluded from the calculation of diluted earnings per share for the three months ended March 31, 2018 as their effect would be anti-dilutive whereas no share based awards were excluded from the calculation of diluted earnings per share for the three months ended March 31, 2017.

 

(2)

Contingent shares represent additional shares to be issued for purchase price earned by former owners of businesses acquired by us once future conditions have been met. Refer to Note 14, Acquisitions, for further details.