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Earnings and Dividends per Share (Tables)

9 Months Ended

Sep. 30, 2017

Earnings Per Share [Abstract]

Number of Shares Outstanding for Calculation of Earnings Per Share

The computational components of basic and diluted earnings per share for the three-month and nine-month periods ended September 30, 2017 and 2016 are below.

		For the three-month period ended September 30, 2017
		Numerator (Income)				Denominator (Shares)				Per Share Amount
Basic net income and earnings per share		$	3,036				34,519			$	0.09
Effect of dilutive securities:
Common stock equivalents arising from stock options, restricted stock awards, and employee stock purchase plan			—				103				—

Diluted earnings and earnings per share		$	3,036				34,622			$	0.09

		For the three-month period ended September 30, 2016
		Numerator (Income)				Denominator (Shares)				Per Share Amount
Basic net income and earnings per share		$	5,804				33,984			$	0.17
Effect of dilutive securities:
Common stock equivalents arising from stock options, restricted stock awards, and employee stock purchase plan			—				371				—
Diluted earnings and earnings per share		$	5,804				34,355			$	0.17

		For the nine-month period ended September 30, 2017
		Numerator (Income)				Denominator (Shares)				Per Share Amount
Basic net income and earnings per share		$	8,560				34,404			$	0.25
Effect of dilutive securities:
Common stock equivalents arising from stock options, restricted stock awards, and employee stock purchase plan			—				261				—
Diluted earnings and earnings per share		$	8,560				34,665			$	0.25

		For the nine-month period ended September 30, 2016
		Numerator (Income)				Denominator (Shares)				Per Share Amount
Basic net income and earnings per share		$	12,954				33,953			$	0.38
Effect of dilutive securities:
Common stock equivalents arising from stock options, restricted stock awards, and employee stock purchase plan			—				258				—
Diluted earnings and earnings per share		$	12,954				34,211			$	0.38