Earnings Per Share

3 Months Ended

Mar. 31, 2018

The following table sets forth the computation of basic and diluted earnings per share for the periods indicated:



(In thousands, except per share amounts)	Three Months Ended March 31,
(In thousands, except per share amounts)	2018		2017
Numerator:
Net income	$	26,136	$	27,032
Denominator:
Weighted-average shares outstanding - basic	18,288		18,056
Effect of dilutive shares	322		317
Weighted-average shares outstanding - diluted	18,610		18,373
Basic earnings per share	$	1.43	$	1.50
Diluted earnings per share	$	1.40	$	1.47

Certain potential options to purchase shares may be excluded from the calculation of diluted weighted-average shares outstanding where their exercise price is greater than the average market price of our capital stock during the relevant reporting period. For the quarters ended March 31, 2018 and March 31, 2017, no shares were excluded.