Earnings Per Share

3 Months Ended

Mar. 31, 2018

Earnings Per Share [Abstract]

Earnings Per Share

Earnings Per Share

A reconciliation between basic and diluted earnings per share is as follows (in thousands, except per share data):

	Quarter Ended March 31,
	2018		2017
Net income for basic and diluted earnings per share	$	218,653	$	214,726
Weighted-average common shares outstanding	212,610		214,870
Dilutive effect of stock-based awards and stock options	992		943
Diluted weighted-average shares outstanding	213,602		215,813
Basic earnings per share	$	1.03	$	1.00
Diluted earnings per share	$	1.02	$	0.99

There were no antidilutive shares for thequarters ended March 31, 2018and March 31, 2017.