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Shareholders' Equity And Stock Incentive Plan (Tables)
 12 Months Ended
Dec. 31, 2012
Summary Of Stock Options Activity
Stock Options and Stock SARs. The table below summarizes the activity for stock options and SARs the Company has elected to settle in common stock for the three years ended December 31, 2012, 2011 and 2010:
 
 
Shares
 
Weighted-
Average
Exercise
Prices
 
Weighted-
Average
Remaining Life
(In years)
 
Aggregate
Intrinsic  Value
(In millions)
For the Year Ended December 31, 2010
 
 
 
 
 
 
 
 
Outstanding, beginning of period
 
895,463

 
$
8.43

 
 
 
 
Granted
 
—

 
—

 
 
 
 
Exercised
 
(266,433
)
 
2.59

 
 
 
 
Forfeited
 
(2,493
)
 
18.56

 
 
 
 
Other
 
(211,683
)
 
20.22

 
 
 
 
Outstanding, end of period
 
414,854

 
$
6.10

 
 
 
 
Exercisable, end of period
 
414,854

 
$
6.10

 
 
 
 
For the Year Ended December 31, 2011
 
 
 
 
 
 
 
 
Outstanding, beginning of period
 
414,854

 
$
6.10

 
 
 
 
Granted
 
—

 
—

 
 
 
 
Exercised
 
(151,500
)
 
4.36

 
 
 
 
Forfeited
 
—

 
—

 
 
 
 
Outstanding, end of period
 
263,354

 
$
7.11

 
 
 
 
Exercisable, end of period
 
263,354

 
$
7.11

 
 
 
 
For the Year Ended December 31, 2012
 
 
 
 
 
 
 
 
Outstanding, beginning of period
 
263,354

 
$
7.11

 
 
 
 
Granted
 
—

 
—

 
 
 
 
Exercised
 
(20,500
)
 
5.50

 
 
 
 
Forfeited
 
—

 
—

 
 
 
 
Outstanding, end of period
 
242,854

 
$
7.24

 
0.87
 
$
3.21

Exercisable, end of period
 
242,854

 
$
7.24

 
0.87
 
$
3.21

No st
Summary Of Restricted Stock Award And Unit Activity
The table below summarizes restricted stock award and unit activity for the years ended December 31, 2012, 2011 and 2010:
 
 
Shares/
Units
 
Grant-date
Fair Value
Unvested restricted stock awards and units at January 1, 2010
 
471,243

 
$
25.01

Granted
 
640,207

 
18.60

Vested
 
(380,668
)
 
23.42

Forfeited
 
(19,827
)
 
25.23

Unvested restricted stock awards and units at December 31, 2010
 
710,955

 
20.26

Granted
 
567,901

 
35.27

Vested
 
(452,585
)
 
25.29

Forfeited
 
(25,773
)
 
23.30

Unvested restricted stock awards and units at December 31, 2011
 
800,498

 
27.96

Granted
 
854,292

 
25.25

Vested
 
(488,992
)
 
25.63

Forfeited
 
(19,524
)
 
27.61

Unvested restricted stock awards and units at December 31, 2012
 
1,146,274

 
$
26.95
Cash SARs [Member]
  
Summary Of Weighted-Average Assumptions In Stock Options
The following table summarizes the weighted-average assumptions used in the Black-Scholes-Merton option pricing model to calculate the fair value of the SARs issued under the Cash SARs Plan at December 31, 2012 and 2011, respectively:
 
 
2012
 
2011
Grant date fair value
 
$
12.23

 
$
18.50

Volatility factor
 
48.2
%
 
61.6
%
Dividend yield
 
—

 
—

Risk-free interest rate
 
0.4
%
 
0.4
%
Expected term (in years)
 
3.0

 
2.9