Earnings Per Common Share (Tables)

9 Months Ended

Sep. 30, 2011

Earnings Per Common Share [Abstract]

Computation of basic and diluted earnings per common share

	For the Three Months				For the Nine Months
	Ended September 30,				Ended September 30,
	2011		2010		2011		2010
	(In thousands, except per share amounts)
Numerator for basic and diluted earnings per share:
Income from continuing operations attributable to common stockholders	$	102,885	$	57,356	$	171,545	$	161,445
Discontinued operations		—		542		—		7,139
Net income attributable to common stockholders	$	102,885	$	57,898	$	171,545	$	168,584
Denominator:
Denominator for basic earnings per share — weighted average shares		287,365		156,631		208,470		156,566
Effect of dilutive securities:
Stock options		412		451		458		375
Restricted stock awards		38		95		57		62
OP units		1,868		—		630		—
Convertible notes		1,111		764		1,235		450
Denominator for diluted earnings per share — adjusted weighted average shares		290,794		157,941		210,850		157,453
Basic earnings per share:
Income from continuing operations attributable to common stockholders	$	0.36	$	0.37	$	0.82	$	1.03
Discontinued operations		—		0.00		—		0.05
Net income attributable to common stockholders	$	0.36	$	0.37	$	0.82	$	1.08
Diluted earnings per share:
Income from continuing operations attributable to common stockholders	$	0.35	$	0.37	$	0.81	$	1.02
Discontinued operations		—		0.00		—		0.05
Net income attributable to common stockholders	$	0.35	$	0.37	$	0.81	$	1.07