XML 47 R35.htm IDEA: XBRL DOCUMENT v2.4.0.6
Calculation of Income (Loss) Per Share From Continuing and Discontinued Operations (Detail) (USD $)
In Thousands, except Per Share data, unless otherwise specified
 3 Months Ended 6 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
Jun. 30, 2011
BASIC EPS:        
Income from continuing operations $ 92,538 $ 81,638 $ 189,812 $ 153,257
Adjust for income attributed to holders of non-vested restricted stock (806) (648) (1,550) (1,145)
Income from continuing operations attributed to common stockholders 91,732 80,990 188,262 152,112
Loss from discontinued operations, net       (367)
Adjust for loss attributed to holders of non-vested restricted stock       3
Loss from discontinued operations attributed to common stockholders       (364)
Weighted average number of common shares outstanding, excluding non-vested shares of restricted stock 153,269 153,556 153,947 153,340
Basic income from continuing operations per common share $ 0.60 $ 0.53 $ 1.22 $ 0.99
Basic loss from discontinued operations per common share $ 0.00 $ 0.00 $ 0.00 $ 0.00
Basic net income per common share $ 0.60 $ 0.53 $ 1.22 $ 0.99
DILUTED EPS:        
Income from continuing operations attributed to common stockholders 91,732 80,990 188,262 152,112
Add incremental earnings related to potential common shares   8    
Adjusted income from continuing operations attributed to common stockholders $ 91,732 $ 80,998 $ 188,262 $ 152,112
Weighted average number of common shares outstanding, excluding non-vested shares of restricted stock 153,269 153,556 153,947 153,340
Add dilutive effect of potential common shares 386 2,025 597 1,912
Weighted average number of diluted common shares outstanding 153,655 155,581 154,544 155,252
Diluted income from continuing operations per common share $ 0.60 $ 0.52 $ 1.22 $ 0.98
Diluted loss from discontinued operations per common share $ 0.00 $ 0.00 $ 0.00 $ 0.00
Diluted net income per common share $ 0.60 $ 0.52 $ 1.22 $ 0.98
Potentially dilutive securities excluded as anti-dilutive 5,969 380 5,529 1,796