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

		Year Ended December 31, 2014
		Net Income		Weighted-Average Shares	Per Share
		(Numerator)		(Denominator)	Amount
Net income per basic common share		$	431,620	84,358	$	5.12
Effect of dilutive stock option, restricted
	stock and restricted stock unit securities			793
Net income per diluted common share		$	431,620	85,151	$	5.07

		Year Ended December 31, 2013
		Net Income		Weighted-Average Shares	Per Share
		(Numerator)		(Denominator)	Amount
Net income per basic common share		$	450,003	85,426	$	5.27
Effect of dilutive stock option, restricted
	stock and restricted stock unit securities			1,120
Net income per diluted common share		$	450,003	86,546	$	5.20

		Year Ended December 31, 2012
		Net Income		Weighted-Average Shares	Per Share
		(Numerator)		(Denominator)	Amount
Net income per basic common share		$	461,443	87,841	$	5.25
Effect of dilutive stock option, restricted
	stock and restricted stock unit securities			1,138
Net income per diluted common share		$	461,443	88,979	$	5.19

For the years ended December 31, 2014, 2013 and 2012, the Company had 1.0 million, 1.1 million and 2.0 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.