Earnings Per Share

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,
	2018		2017		2018		2017
			As Adjusted				As Adjusted
Numerator for basic and diluted earnings per share:
Net income	$	39,161	$	31,770	$	76,986	$	64,539
Denominator:
Weighted-average basic common shares outstanding	38,390		37,154		38,416		37,144
Assumed conversion of dilutive securities:
Stock options	1,834		2,047		1,834		2,067
Denominator for diluted earnings per share - Adjusted weighted-average shares	40,224		39,201		40,250		39,211
Earnings per common share:
Basic	$	1.02	$	0.86	$	2.00	$	1.74
Diluted	$	0.97	$	0.81	$	1.91	$	1.65

For the three and six months ended June 30, 2018, stock options representing the right to purchase common stock of approximately 742,000 and 926,000 shares 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, 2017, stock options representing the right to purchase common stock of approximately 1,251,000 and 1,205,000 shares were not included in the computation of diluted earnings per share because their inclusion would have had an anti-dilutive effect.