v3.10.0.1

Earnings Per Share - Computation of Basic and Diluted Net Earnings (Loss) Per Share (Detail) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Numerator:
Net income	$ 23,678	$ 13,964	$ 53,120	$ 38,529
Denominator:
Denominator for basic earnings per share – weighted average shares	20,853	20,758	20,839	20,749
Effect of dilutive securities:
Employee stock options (in shares)	66	79	71	86
Denominator for diluted earnings per share – weighted average shares	20,919	20,837	20,910	20,835

X

- Definition

Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method.

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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