(14)NET INCOME PER SHARE

The following table sets forth the computation of basic and diluted shares for the periods indicated (in thousands):


	Three Months Ended September 30,		Nine Months Ended September 30,
	2017	2016	2017	2016

Shares used in basic earnings per share calculation	45,838	47,081	45,816	47,771
Effect of dilutive securities:
Stock options	10	6	9	11
Restricted stock units	517	214	513	292
Performance-based restricted stock units	2	14	10	15
Total effects of dilutive securities	529	234	532	318
Shares used in dilutive earnings per share calculation	46,367	47,315	46,348	48,089

For the three months ended September 30, 2017 and 2016, options to purchase 0.0 million and 0.1 million shares of common stock, respectively, were outstanding, but not included in the computation of diluted net income per share because the exercise price exceeded the value of the shares and the effect would have been anti-dilutive. For the nine months ended September 30, 2017 and 2016, options to purchase 0.0 million and 0.1 million shares of common stock, respectively, were outstanding, but not included in the computation of diluted net income per share because the exercise price exceeded the value of the shares and the effect would have been anti-dilutive. For the three months ended September 30, 2017 and 2016, restricted stock units (“RSUs”) of 0.0 million and 0.1 million, respectively, were outstanding, but not included in the computation of diluted net income per share because the effect would have been anti-dilutive. For the nine months ended September 30, 2017 and 2016, RSUs of 0.0 million and 0.1 million, respectively, were outstanding, but not included in the computation of diluted net income per share because the effect would have been anti-dilutive.