Net Income Per Share (Tables)

6 Months Ended

Jun. 30, 2014

The following is a reconciliation between basic and diluted weighted average shares outstanding:


	For the three months ended June 30,						For the six months ended June 30,
(in thousands, except per share data)	2014			2013			2014			2013
Net income	$	61,755		$	52,007		$	114,170		$	112,138
Net income attributable to unvested awarded performance stock		(1,531	)		(1,157	)		(2,915	)		(2,467	)

Net income attributable to common shares	$	60,224		$	50,850		$	111,255		$	109,671


Weighted average number of common shares outstanding – basic		144,840			144,041			145,133			143,984
Less unvested awarded performance stock included in weighted average number of common shares outstanding – basic		(3,590	)		(3,205	)		(3,705	)		(3,168	)

Weighted average number of common shares outstanding for basic earnings per common share		141,250			140,836			141,428			140,816
Dilutive effect of stock options		1,782			2,185			1,741			2,122

Weighted average number of shares outstanding – diluted		143,032			143,021			143,169			142,938

Net income per share:
Basic	$	0.43		$	0.36		$	0.79		$	0.78

Diluted	$	0.42		$	0.36		$	0.78		$	0.77