Earnings Per Share

6 Months Ended

Jun. 30, 2017

The following table details the reconciliation of basic earnings per share to diluted earnings per share:



	Three months ended June 30,				Six months ended June 30,
	2017		2016		2017		2016
Numerator for basic and diluted earnings per share:
Net income	$	31,578	$	25,007	$	63,884	$	43,231
Denominator:
Weighted-average basic common shares outstanding	37,154		36,160		37,144		36,316
Assumed conversion of dilutive securities:
Stock options	2,047		2,579		2,067		2,550
Denominator for diluted earnings per share - Adjusted weighted-average shares	39,201		38,739		39,211		38,866
Earnings per common share:
Basic	$	0.85	$	0.69	$	1.72	$	1.19
Diluted	$	0.81	$	0.65	$	1.63	$	1.11

For the three and six months ended June 30, 2017, stock options representing the right to purchase common stock of approximately 1,251,000 shares and 1,205,000 shares, respectively, were not included in the computation of diluted earnings per share because their inclusion would have had an anti-dilutive effect. For the three and six months ended June 30, 2016, stock options representing the right to purchase common stock of approximately 785,000 shares and 784,000 shares, respectively, were not included in the computation of diluted earnings per share because their inclusion would have had an anti-dilutive effect.