EARNINGS (LOSS) PER SHARE

The following are computations of basic and diluted earnings (loss) per share (in thousands except for per share amounts):



	Years Ended December 31,
	2017		2016			2015
Numerator for basic and diluted earnings (loss) per share:
Net income (loss)	$	100,739	$	(39,873	)	$	44,102
Denominator:
Weighted basic shares outstanding	57,072		57,532			58,324
Dilutive effect of equity-based compensation awards	128		—			110
Weighted dilutive shares outstanding	57,200		57,532			58,434

Basic earnings (loss) per share	$	1.77	$	(0.69	)	$	0.76
Diluted earnings (loss) per share	$	1.76	$	(0.69	)	$	0.76

For the year ended December 31, 2017, all then outstanding restricted stock awards and performance awards were included in the calculation of diluted earnings per share except for 152,831 of outstanding performance stock awards for which the performance criteria were not attained at the time and 49,373 restricted stock awards which were excluded as their inclusion

(13) EARNINGS (LOSS) PER SHARE (Continued)

would have an antidilutive effect. As a result of the net loss reported for the year ended December 31, 2016, all outstanding stock options, restricted stock awards and performance awards, totaling 730,929 potentially dilutive shares, were excluded from the calculation of diluted loss per share as their inclusion would have an antidilutive effect. For the year ended December 31, 2015, all then outstanding stock options, restricted stock awards and performance awards were included in the calculation of diluted earnings per share except for 154,577 of outstanding performance stock awards for which the performance criteria were not attained at the time and 31,656 restricted stock awards which were excluded as their inclusion would have an antidilutive effect.