Earnings per Share

9 Months Ended

Sep. 30, 2011

Earnings per Share

To calculate diluted earnings per share, interest expense related to convertible debt excluding imputed interest, was added back to net income as follows:



	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2011		2010		2011		2010
	(In thousands, except per share data)
Net income	$	16,536	$	16,681	$	54,048	$	43,075
Convertible debt interest (excludes imputed interest)	—		—		—		10
Net income for diluted earnings per share purposes	$	16,536	$	16,681	$	54,048	$	43,085
Diluted shares outstanding	40,449		39,020		41,400		39,218
Diluted earnings per common share	$	0.41	$	0.43	$	1.31	$	1.10

Diluted shares outstanding were determined as follows for the three and nine months ended September 30, 2011 and 2010, respectively:



	Three Months Ended		Nine Months Ended
	September 30,		September 30,
	2011	2010	2011	2010
	(In thousands)
Basic Weighted Average Shares Outstanding	37,345	34,592	38,215	34,765
Incremental Shares	3,104	4,428	3,185	4,453
Diluted Shares Outstanding	40,449	39,020	41,400	39,218