Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2015

Earnings Per Share [Abstract]

Reconciliation Between Basic and Diluted 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,
	2015		2014
Net income for basic and diluted earnings per share	$	45,230	$	26,457
Weighted-average common shares outstanding	219,626		221,295
Dilutive effect of stock options, performance share awards and restricted stock awards	1,216		1,376
Diluted weighted-average shares outstanding	220,842		222,671
Basic earnings per share	$	0.21	$	0.12
Diluted earnings per share	$	0.20	$	0.12