Net income per share was determined by dividing adjusted net income to shareholders by the applicable weighted average shares outstanding. Diluted net income per share is computed by dividing adjusted net income to shareholders by the weighted average number of common shares and dilutive potential common shares outstanding during the period.



	Quarter Ended June 30,					Six Months Ended June 30,
(in thousands, except per share amounts)	2015		2014			2015		2014
Net income to shareholders	$	91,369	$	40,068		$	282,361	$	127,784
Adjustment of redeemable noncontrolling interests	3,062		(2,701		)	1,715		(2,584		)
Adjusted net income to shareholders	$	94,431	$	37,367		$	284,076	$	125,200

Basic common shares outstanding	13,975		13,984			13,973		13,989
Dilutive potential common shares from conversion of options	9		10			10		11
Dilutive potential common shares from conversion of restricted stock	68		61			74		56
Diluted shares outstanding	14,052		14,055			14,057		14,056
Basic net income per share	$	6.76	$	2.67		$	20.33	$	8.95
Diluted net income per share	$	6.72	$	2.66		$	20.21	$	8.91