Earnings per Share (Tables)

6 Months Ended

Jun. 30, 2019

Schedule of common stock equivalents excluded in the calculation of diluted earnings per share



	Three Months ended June 30,		Six Months ended June 30,
	2019	2018	2019	2018
	(unaudited)		(unaudited)
Stock options	1,030,370	137,565	300,342	184,760

Schedule of computation of basic and diluted earnings per share

The following table sets forth the computation of basic and diluted EPS for the three and six month periods ended June 30, 2019 and 2018, in thousands of dollars, except share and per share amounts:



	Three Months ended June 30,				Six Months ended June 30,
	2019		2018		2019		2018
	(unaudited)				(unaudited)
Numerator, in thousands:
Net earnings used for calculation of basic and diluted EPS	$	32,727	$	30,737	$	51,067	$	57,089

Denominator:
Weighted average shares outstanding, basic	52,385,590		51,919,894		52,361,149		51,729,243

Effect of dilutive potential common shares:
Stock options and SAR	1,527,387		2,283,414		1,586,685		2,292,698
Weighted average shares outstanding, diluted	53,912,977		54,203,308		53,947,834		54,021,941

Earnings per share, basic	$	0.62	$	0.59	$	0.98	$	1.10
Earnings per share, diluted	$	0.61	$	0.57	$	0.95	$	1.06