Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2011

Basic and Diluted EPS under the Guidance of ASC 260

The following table illustrates basic and diluted EPS under the guidance of ASC 260 for the three months ended June 30, 2011 and 2010:

	Three months ended June 30, 2011					Three months ended June 30, 2010
(in thousands, except per share data)	Common Stock			Participating Securities		Common Stock			Participating Securities
Basic EPS:
Net income	$	53,747					49,704
Less income allocated to nonvested awards		(191	)		191		(250	)		250
Net income allocated to common stock for EPS calculation (a)	$	53,556			191		49,454			250
Average common shares outstanding (b)		191,935			690		196,347			998
Basic EPS (a)/(b)	$	0.28			0.28		0.25			0.25
Diluted EPS:
Net income	$	53,747					49,704
Less income allocated to nonvested awards		(190	)		190		(250	)		250
Net income allocated to common stock for EPS calculation (c)	$	53,557			190		49,454			250
Average common shares outstanding		191,935			690		196,347			998
Increase due to assumed issuance of shares related to common equivalent shares outstanding		459					85
Average common and common equivalent shares outstanding (d)		192,394			690		196,432			998
Diluted EPS (c)/(d)	$	0.28			0.28		0.25			0.25

The following table illustrates basic and diluted EPS under the guidance of ASC 260 for the six months ended June 30, 2011 and 2010:

	Six months ended June 30, 2011					Six months ended June 30, 2010
(in thousands, except per share data)	Common Stock			Participating Securities		Common Stock			Participating Securities
Basic EPS:
Net income	$	102,537					101,030
Less income allocated to nonvested awards		(383	)		383		(514	)	514
Net income allocated to common stock for EPS calculation (a)	$	102,154			383		100,516		514
Average common shares outstanding (b)		192,390			727		196,254		1,007
Basic EPS (a)/(b)	$	0.53			0.53		0.51		0.51
Diluted EPS:
Net income	$	102,537					101,030
Less income allocated to nonvested awards		(382	)		382		(514	)	514
Net income allocated to common stock for EPS calculation (c)	$	102,155			382		100,516		514
Average common shares outstanding		192,390			727		196,254		1,007
Increase due to assumed issuance of shares related to common equivalent shares outstanding		366					87
Average common and common equivalent shares outstanding (d)		192,756			727		196,341		1,007
Diluted EPS (c)/(d)	$	0.53			0.53		0.51		0.51