| Insider |  Price |  Amount |  Total Value |  Remaining Holdings |  Date |  Form 4 |  
   |    Officer   |  $37.40 |  25,000 |  $935,000.00 |  204,350 |  2012-10-04 |  Filing |  
  |    Director   |  $36.06 |  4,250 |  $153,255.00 |  83,933 |  2012-09-17 |  Filing |  
  |    Officer   |  $32.67 |  50,000 |  $1,633,500.00 |  525,142 |  2012-08-17 |  Filing |  
  |    Director   |  $32.37 |  15,245 |  $493,480.65 |  78,421 |  2012-08-16 |  Filing |  
  |    Officer   |  $32.42 |  4,000 |  $129,680.00 |  101,920 |  2012-08-16 |  Filing |  
  |    Director   |  $31.28 |  4,250 |  $132,940.00 |  88,183 |  2012-08-15 |  Filing |  
  |    Large Shareholder, Officer, Director   |  $29.81 |  33,334 |  $993,686.54 |  2,176,274 |  2012-08-03 |  Filing |  
  |    Large Shareholder, Officer, Director   |  $29.16 |  33,333 |  $971,990.28 |  2,209,608 |  2012-08-02 |  Filing |  
  |    Large Shareholder, Officer, Director   |  $29.37 |  33,333 |  $978,990.21 |  2,242,941 |  2012-08-01 |  Filing |  
  |    Director   |  $31.00 |  4,250 |  $131,750.00 |  92,433 |  2012-07-16 |  Filing |  
  |    Director   |  $31.04 |  1,492 |  $46,311.68 |  15,000 |  2012-07-02 |  Filing |  
  |    Director   |  $31.03 |  3,508 |  $108,853.24 |  16,492 |  2012-07-02 |  Filing |  
  |    Director   |  $25.63 |  4,250 |  $108,927.50 |  96,683 |  2012-06-15 |  Filing |  
  |    Director   |  $28.49 |  4,250 |  $121,082.50 |  100,933 |  2012-05-15 |  Filing |  
  |    Large Shareholder, Officer, Director   |  $28.97 |  33,334 |  $965,685.98 |  2,121,837 |  2012-05-03 |  Filing |  
  |    Large Shareholder, Officer, Director   |  $28.57 |  33,333 |  $952,323.81 |  2,155,171 |  2012-05-02 |  Filing |  
  |    Large Shareholder, Officer, Director   |  $27.53 |  33,333 |  $917,657.49 |  2,188,504 |  2012-05-01 |  Filing |  
  |    Director   |  $23.50 |  2,500 |  $58,750.00 |  10,104 |  2012-02-15 |  Filing |  
  |    Officer   |  $23.75 |  2,500 |  $59,375.00 |  89,420 |  2012-02-09 |  Filing |  
  |    Large Shareholder, Officer, Director   |  $22.33 |  33,334 |  $744,348.22 |  2,221,837 |  2012-02-03 |  Filing |