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Shareholders' Equity (Tables)
 3 Months Ended
Mar. 31, 2013
Equity [Abstract]  
Summary Of Stock Option Activity
The following table summarizes information about stock option activity for the three months ended March 31, 2013: 

(in thousands, except per share data)
 
Three months ended March 31, 2013
 
 
 
 
 
Weighted-Avg
 
 
 
Options
 
Weighted-Avg
 
Remaining Contractual
 
Aggregate
 
Outstanding
 
Exercise Price
 
Term (Years)
 
Intrinsic Value
Balance, beginning of period
1,850

 
$
15.37

 
 
 
 
Exercised
(3
)
 
$
10.94

 
 
 
 
Forfeited/expired
(11
)
 
$
18.78

 
 
 
 
Balance, end of period
1,836

 
$
15.36

 
4.81
 
$
1,958

Options exercisable, end of period
1,362

 
$
16.69

 
3.90
 
$
1,131
Summary Of Nonvested Restricted Share Activity
The following table summarizes information about nonvested restricted share activity for the three months ended March 31, 2013: 
 
(in thousands, except per share data)
 
Three months ended March 31, 2013
 
Restricted
 
Weighted
 
Shares
 
Average Grant
 
Outstanding
 
Date Fair Value
Balance, beginning of period
763

 
$
12.39

Granted
298

 
$
12.17

Released
(101
)
 
$
12.48

Forfeited/expired
—

 
$
—

Balance, end of period
960

 
$
12.31