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Earnings per Common Share (Tables)
3 Months Ended
Mar. 31, 2013
Earnings Per Share [Abstract]  
Earnings Per Common Share
 
Three Months Ended March 31,
 
2013
 
2012
 
(In thousands, except per share data)
Basic earnings per Class A common share
 
 
 
Net income
$
15,586

 
$
16,368

Income attributable to preferred stock
(2,493
)
 
(2,650
)
Income attributable to other classes of common stock
(1,846
)
 
(2,573
)
Net income allocated to Class A common stockholders
11,247

 
11,145

Weighted-average Class A shares issued and outstanding
30,951

 
28,839

Basic earnings per Class A common share
$
0.36

 
$
0.39

 
 
 
 
Diluted earnings per Class A common share
 
 
 
Net income allocated to Class A common stockholders
$
11,247

 
$
11,145

Re-allocated earnings
1,567

 
2,152

Diluted net income allocated to Class A common stockholders
12,814

 
13,297

Weighted-average Class A shares issued and outstanding
30,951

 
28,839

Dilutive potential common shares:
 
 
 
Class B common stock
5,190

 
7,012

Stock options

 

Restricted stock units
119

 
7

Employee stock purchase plan
33

 
9

Diluted weighted-average Class A shares issued and outstanding
36,293

 
35,867

Diluted earnings per Class A common share
$
0.35

 
$
0.37

Basic earnings per Class B common share
 
 
 
Net income
$
15,586

 
$
16,368

Income attributable to preferred stock
(2,493
)
 
(2,650
)
Income attributable to other classes of common stock
(11,606
)
 
(11,696
)
Net income allocated to Class B common stockholders
1,487

 
2,022

Weighted-average Class B shares issued and outstanding
4,096

 
5,230

Basic earnings per Class B common share
$
0.36

 
$
0.39

 
 
 
 
Diluted earnings per Class B common share
 
 
 
Net income allocated to Class B common stockholders
$
1,487

 
$
2,022

Re-allocated earnings
344

 
578

Diluted net income allocated to Class B common stockholders
1,831

 
2,600

Weighted-average Class B shares issued and outstanding
4,096

 
5,230

Dilutive potential common shares:
 
 
 
Stock options
1,094

 
1,782

Diluted weighted-average Class B shares issued and outstanding
5,190

 
7,012

Diluted earnings per Class B common share
$
0.35

 
$
0.37

Antidilutive Shares
The following table shows the weighted-average number of anti-dilutive shares excluded from the diluted EPS calculation:
 
Three Months Ended March 31,
 
2013
 
2012
Class A common stock
(In thousands)
Options to purchase Class A common stock
1,952

 
596

Restricted stock units
41

 
4

Conversion of convertible preferred stock
6,859

 
6,859

Total options, restricted stock units and convertible preferred stock
8,852

 
7,459

Class B common stock
 
 
 
Options to purchase Class B common stock
323

 
19

Total options
323

 
19