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Stock Incentive Plan
12 Months Ended
Dec. 31, 2011
Stock Incentive Plan [Abstract]  
Stock Incentive Plan
Stock Incentive Plan

The Company has not issued any stock options under its stock incentive plan since 2004. All outstanding options are vested and exercisable. The following table summarizes stock option information:

 
2011
 
2010
 
2009
 
Shares
 
Price(1)
 
Shares
 
Price(1)
 
Shares
 
Price(1)
Outstanding at beginning of year
3,503,384

 
$
10.42

 
5,700,552

 
$
9.53

 
6,566,377

 
$
9.06

Exercised
2,185,952

 
10.05

 
2,191,260

 
8.11

 
860,074

 
5.93

Cancelled
3,375

 
10.07

 
5,908

 
10.07

 
5,751

 
10.85

Outstanding at year end
1,314,057

 
$
11.04

 
3,503,384

 
$
10.42

 
5,700,552

 
$
9.53

_______________________________________
(1)
Weighted average exercise price.

The following table summarizes information about stock options outstanding at December 31, 2011:
 
Options Outstanding and Exercisable
Range of
Exercise
Prices
Number Outstanding
 
Weighted Remaining Contractual Life (in years)
 
Weighted Average Price
$0 to $10.00
412,078

 
0.60

 
$
10.07

$10.01 to $17.62
901,979

 
0.32

 
11.48

Total
1,314,057

 
0.41

 
$
11.04


Pursuant to the stock incentive plan, the Company may also issue restricted stock units (RSUs) to officers of the Company and its subsidiaries. The RSUs generally vest five years from the award date and are subject to other vesting and forfeiture provisions contained in the award agreement. The following table summarizes RSU information for the three years ended December 31, 2011:
(Dollars in thousands)
2011
 
2010
 
2009
RSUs granted and unvested at beginning of period:
4,945,375

 
3,713,025

 
4,971,231

Granted
107,500

 
2,310,650

 
119,500

Vested
(576,050
)
 
(916,750
)
 
(1,287,943
)
Cancelled
(105,850
)
 
(161,550
)
 
(89,763
)
RSUs granted and unvested at end of period:
4,370,975

 
4,945,375

 
3,713,025


Upon vesting, shares of the Company’s common stock equal to the number of vested RSUs are issued or deferred to a later date, depending on the terms of the specific award agreement. As of December 31, 2011, 2,641,177 shares related to vested RSUs had been deferred.
The fair value of RSUs at the date of grant are recorded as unearned compensation, a component of stockholders’ equity, and expensed over the vesting period. Following is a summary of changes in unearned compensation for the three years ended December 31, 2011:
(Dollars in thousands)
2011
 
2010
 
2009
Unearned compensation at beginning of year
$
76,139

 
$
46,801

 
$
68,503

RSUs granted, net of cancellations
2,832

 
58,462

 
2,783

RSUs expensed
(27,566
)
 
(27,035
)
 
(24,988
)
RSUs forfeiture adjustment
5,910

 
(2,089
)
 
503

Unearned compensation at end of year
$
57,315

 
$
76,139

 
$
46,801