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Earnings Per Share

12 Months Ended

Dec. 31, 2017

13 Earnings Per Share

Basic and diluted EPS calculations are detailed as follows (in thousands, except per share data):

		Year Ended December 31, 2017
		Net Income		Weighted-Average Shares	Per Share
		(Numerator)		(Denominator)	Amount
Net income per basic common share		$	20,311	79,793	$	0.25
Effect of dilutive stock option, restricted
	stock, performance stock unit and
	restricted stock unit securities		-	811		-
Net income per diluted common share		$	20,311	80,604	$	0.25

		Year Ended December 31, 2016
		Net Income		Weighted-Average Shares	Per Share
		(Numerator)		(Denominator)	Amount
Net income per basic common share		$	521,503	80,786	$	6.46
Effect of dilutive stock option, restricted
	stock, performance stock unit and
	restricted stock unit securities		-	631		(0.05)
Net income per diluted common share		$	521,503	81,417	$	6.41

		Year Ended December 31, 2015
		Net Income		Weighted-Average Shares	Per Share
		(Numerator)		(Denominator)	Amount
Net income per basic common share		$	469,053	82,336	$	5.70
Effect of dilutive stock option, restricted
	stock and restricted stock unit securities		-	751		(0.05)
Net income per diluted common share		$	469,053	83,087	$	5.65

For the years ended December 31, 2017, 2016 and 2015, the Company had 0.4 million, 0.9 million and 1.2 million stock options that were antidilutive, respectively, due to having higher exercise prices than the Company’s average stock price during the period. These securities were not included in the computation of diluted EPS. The effect of dilutive securities was calculated using the treasury stock method.