| Insider |  Price |  Amount |  Total Value |  Remaining Holdings |  Date |  Form 4 |  
   |    Large Shareholder   |  $39.02 |  41,000 |  $1,599,684.70 |  22,157,633 |  2015-02-23 |  Filing |  
  |    Large Shareholder   |  $38.38 |  3,667 |  $140,750.46 |  17,508,401 |  2015-02-24 |  Filing |  
  |    Large Shareholder   |  $39.02 |  11,000 |  $429,183.70 |  17,512,068 |  2015-02-23 |  Filing |  
  |    Large Shareholder   |  $38.38 |  2,666 |  $102,329.08 |  2,650,939 |  2015-02-24 |  Filing |  
  |    Large Shareholder   |  $39.02 |  8,000 |  $312,133.60 |  2,653,605 |  2015-02-23 |  Filing |  
  |    Large Shareholder   |  $39.23 |  99,090 |  $3,887,340.34 |  22,198,633 |  2015-02-20 |  Filing |  
  |    Large Shareholder   |  $39.26 |  61,500 |  $2,414,207.10 |  22,297,723 |  2015-02-19 |  Filing |  
  |    Large Shareholder   |  $39.23 |  26,580 |  $1,042,744.03 |  17,523,068 |  2015-02-20 |  Filing |  
  |    Large Shareholder   |  $39.26 |  16,500 |  $647,714.10 |  17,549,648 |  2015-02-19 |  Filing |  
  |    Large Shareholder   |  $39.23 |  19,330 |  $758,323.63 |  2,661,605 |  2015-02-20 |  Filing |  
  |    Large Shareholder   |  $39.26 |  12,000 |  $471,064.80 |  2,680,935 |  2015-02-19 |  Filing |  
  |    Large Shareholder   |  $39.06 |  23,917 |  $934,143.01 |  22,359,223 |  2015-02-18 |  Filing |  
  |    Large Shareholder   |  $39.17 |  88,842 |  $3,479,514.70 |  22,383,140 |  2015-02-17 |  Filing |  
  |    Large Shareholder   |  $39.06 |  6,416 |  $250,594.20 |  17,566,148 |  2015-02-18 |  Filing |  
  |    Large Shareholder   |  $39.17 |  23,829 |  $933,267.55 |  17,572,564 |  2015-02-17 |  Filing |  
  |    Large Shareholder   |  $39.06 |  4,667 |  $182,282.29 |  2,692,935 |  2015-02-18 |  Filing |  
  |    Large Shareholder   |  $39.17 |  17,329 |  $678,693.75 |  2,697,602 |  2015-02-17 |  Filing |  
  |    Large Shareholder   |  $39.05 |  68,333 |  $2,668,335.32 |  22,471,982 |  2015-02-13 |  Filing |  
  |    Large Shareholder   |  $38.98 |  187,915 |  $7,325,471.65 |  22,540,315 |  2015-02-12 |  Filing |  
  |    Large Shareholder   |  $39.05 |  18,334 |  $715,924.37 |  17,596,393 |  2015-02-13 |  Filing |