Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2011

Earnings Per Share [Abstract]

Computation Of Basic And Diluted Earnings Per Common Share

The computation of basic and diluted earnings per common share is as follows:

	Three Months Ended						Nine Months Ended
	September 30,						September 30,
(In thousands, except per share amounts)	2011			2010			2011			2010
Computation of Basic Earnings Per Share:
Net income	$	42,302		$	40,494		$	85,610		$	83,298
Income allocated to participating securities	(417		)	(426		)	(848		)	(865		)
Net income available to common shareholders	$	41,885		$	40,068		$	84,762		$	82,433
Weighted average common shares outstanding – basic	59,182			58,965			59,169			58,948
Basic earnings per share	$	0.71		$	0.68		$	1.43		$	1.40
Computation of Diluted Earnings Per Share:
Net income	$	42,302		$	40,494		$	85,610		$	83,298
Income allocated to participating securities	(417		)	(425		)	(848		)	(864		)
Net income available to common shareholders	$	41,885		$	40,069		$	84,762		$	82,434
Weighted average common shares outstanding – basic	59,182			58,965			59,169			58,948
Diluted effect of stock options and PVRSUs	36			66			44			80
Weighted average shares outstanding-diluted	59,218			59,031			59,213			59,028
Diluted earnings per share	$	0.71		$	0.68		$	1.43		$	1.40