Net Income Per Share

3 Months Ended

Mar. 31, 2018

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, 2018 and 2017 is reflected in the following table (in thousands, except per share amounts):

	Three Months Ended   March 31,
	2018		2017
Net income	$	96,167	$	78,521
Basic:
Weighted average shares	121,934		125,537
Diluted:
Weighted average shares	121,934		125,537
Dilutive effect of potential common shares	953		881
Diluted weighted average shares	122,887		126,418
Net income per share:
Basic	$	.79	$	.63
Diluted	$	.78	$	.62