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Earnings Per Share (Tables)
 3 Months Ended
Mar. 31, 2014
Earnings Per Share [Abstract]  
Schedule of basic and diluted earnings per common share from continuing operations
The following table presents the calculation of basic and diluted earnings per common share from continuing operations:
 
Three months ended March 31,
 
2014
 
2013
 
(In thousands, except per share amounts)
Earnings per share — Basic:
 
 
 
Earnings from continuing operations
$
49,098

 
40,802

Less: Distributed and undistributed earnings allocated to nonvested stock
(255
)
 
(403
)
Earnings from continuing operations available to common shareholders — Basic
$
48,843

 
40,399

 
 
 
 
Weighted average common shares outstanding — Basic
52,660

 
50,958

 
 
 
 
Earnings from continuing operations per common share — Basic
$
0.93

 
0.79

 
 
 
 
Earnings per share — Diluted:
 
 
 
Earnings from continuing operations
$
49,098

 
40,802

Less: Distributed and undistributed earnings allocated to nonvested stock
(255
)
 
(403
)
Earnings from continuing operations available to common shareholders — Diluted
$
48,843

 
40,399

 
 
 
 
Weighted average common shares outstanding — Basic
52,660

 
50,958

Effect of dilutive equity awards
463

 
435

Weighted average common shares outstanding — Diluted
53,123

 
51,393

 
 
 
 
Earnings from continuing operations per common share — Diluted
$
0.92

 
0.79

 
 
 
 
Anti-dilutive equity awards not included above
215

 
1,413