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REPURCHASES OF COMMON STOCK (Tables)
 9 Months Ended
Sep. 30, 2012
REPURCHASES OF COMMON STOCK
The following table summarizes our repurchases of common stock during the indicated periods:

 
Three Months Ended
 
Nine Months Ended
 
September 30,
 
September 30,
in thousands, except per share data
2012
 
2011
 
2012
 
2011
Shares repurchased
838

 
2,094

 
4,133

 
5,861

Aggregate repurchase price
$
21,229

 
$
49,961

 
$
87,130

 
$
155,817

Average price paid per share
$
25.34

 
$
23.86

 
$
21.08

 
$
26.59