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Earnings Per Share (Tables)
 12 Months Ended
Dec. 31, 2011
Earnings Per Share [Abstract]  
Computation Of Basic And Diluted Earnings Per Share
The following table summarizes the Company’s computation of basic and diluted earnings per share (EPS) for the years ended December 31, 2011, 2010 and 2009 (amounts in thousands except per share information):
 
Year Ended December 31, 2011
 
Income
(numerator)
 
Shares
(denominator)
 
Per Share
Amount
Basic EPS:
 
 
 
 
 
Income from continuing operations
$
102,563

 
 
 
 
Less: preferred dividend requirements and redemption costs
(30,909
)
 
 
 
 
Noncontrolling interest adjustments
(38
)
 
 
 
 
Income from continuing operations available to common shareholders
$
71,616

 
46,640

 
$
1.54

Income from discontinued operations available to common shareholders
$
12,703

 
46,640

 
$
0.27

Net income available to common shareholders
$
84,319

 
46,640

 
$
1.81

Diluted EPS:
 
 
 
 
 
Income from continuing operations available to common shareholders
$
71,616

 
46,640

 
 
Effect of dilutive securities:
 
 
 
 
 
Share options
—

 
261

 
 
Income from continuing operations available to common shareholders
$
71,616

 
46,901

 
$
1.53

Income from discontinued operations available to common shareholders
$
12,703

 
46,901

 
$
0.27

Net income available to common shareholders
$
84,319

 
46,901

 
$
1.80


 
Year Ended December 31, 2010
 
Income
(numerator)
 
Shares
(denominator)
 
Per Share
Amount
Basic EPS:
 
 
 
 
 
Income from continuing operations
$
117,233

 
 
 
 
Less: preferred dividend requirements
(30,206
)
 
 
 
 
Noncontrolling interest adjustments
(86
)
 
 
 
 
Income from continuing operations available to common shareholders
$
86,941

 
45,206

 
$
1.92

Loss from discontinued operations
$
(4,178
)
 
 
 
 
Noncontrolling interest adjustments
1,905

 
 
 
 
Loss from discontinued operations available to common shareholders
$
(2,273
)
 
45,206

 
$
(0.05
)
Net income available to common shareholders
$
84,668

 
45,206

 
$
1.87

Diluted EPS:
 
 
 
 
 
Income from continuing operations available to common shareholders
$
86,941

 
45,206

 
 
Effect of dilutive securities:
 
 
 
 
 
Share options
—

 
349

 
 
Income from continuing operations available to common shareholders
$
86,941

 
45,555

 
$
1.91

Loss from discontinued operations available to common shareholders
$
(2,273
)
 
45,555

 
$
(0.05
)
Net income available to common shareholders
$
84,668

 
45,555

 
$
1.86


 
Year Ended December 31, 2009
 
Income
(numerator)
 
Shares
(denominator)
 
Per Share
Amount
Basic EPS:
 
 
 
 
 
Income from continuing operations
$
34,524

 
 
 
 
Less: preferred dividend requirements
(30,206
)
 
 
 
 
Noncontrolling interest adjustments
(230
)
 
 
 
 
Income from continuing operations available to common shareholders
$
4,088

 
36,122

 
$
0.12

Loss from discontinued operations
$
(46,430
)
 
 
 
 
Noncontrolling interest adjustments
20,143

 
 
 
 
Loss from discontinued operations available to common shareholders
$
(26,287
)
 
36,122

 
$
(0.73
)
Net loss available to common shareholders
$
(22,199
)
 
36,122

 
$
(0.61
)
Diluted EPS:
 
 
 
 
 
Income from continuing operations available to common shareholders
$
4,088

 
36,122

 
 
Effect of dilutive securities:
 
 
 
 
 
Share options
—

 
113

 
 
Income from continuing operations available to common shareholders
$
4,088

 
36,235

 
$
0.12

Loss from discontinued operations available to common shareholders
$
(26,287
)
 
36,235

 
$
(0.73
)
Net loss available to common shareholders
$
(22,199
)
 
36,235

 
$
(0.61
)