Net Income Per Share

3 Months Ended

Mar. 31, 2015

Earnings Per Share [Abstract]

Net Income Per Share

Net Income Per Share

The calculation of net income per share for the three months ended March 31, 2015 and 2014 is reflected in the following table (in thousands, except per share amounts):

	Three Months Ended   March 31,
	2015		2014
Net income	$	77,922	$	61,551
Basic:
Weighted average shares	133,077		135,333
Diluted:
Weighted average shares	133,077		135,333
Dilutive effect of potential common shares	1,209		828
Diluted weighted average shares	134,286		136,161
Net Income Per Share:
Basic	$	.59	$	.45
Diluted	$	.58	$	.45

Potential common shares include the dilutive effect of stock options, unvested performance-based restricted stock, restricted stock which contains forfeitable rights to dividends, and stock units. The weighted average diluted common shares outstanding for the three months ended March 31, 2015 and 2014, excludes the effect of the following (in thousands):

	Three Months Ended   March 31,
	2015	2014
Total number of anti-dilutive potential common shares	5	4