Earnings Per Share

3 Months Ended

Mar. 31, 2018

Basic earnings per share is computed on the basis of the weighted average number of common shares outstanding during the period. Diluted earnings per share includes the dilutive effect of stock options and other stock units. The following table sets forth the computation of basic and diluted earnings per share:



	Three Months Ended March 31,
	2018		2017
Numerator
Numerator for basic and diluted earnings per share - Net income attributable to common stockholders	$	8,285	$	30,561
Denominator
Denominator for basic earnings per share - weighted average shares outstanding	50,838		52,835
Effect of dilutive securities - stock options and other stock units	341		587
Denominator for diluted earnings per share - adjusted weighted average shares outstanding	51,179		53,422
Earnings per share:
Basic	$	0.16	$	0.58
Diluted	$	0.16	$	0.57

All options to purchase shares of the Company’s common stock were included in the computation of diluted earnings per share as the options’ exercise prices were less than the average market price of the common shares at both March 31, 2018 and 2017.