Jul 20                           
            2017                           
          
        
          
            
              SELL 
            
            
                Payment of exercise price or tax liability 
            
                            
         
        
          
              $3,882,102               
              $59.1 p/Share               
          
        
            
        
          
              65,687 
              Reduced 42.8% 
          
   
         
        
          
            87,796  
            Class B Common Stock 
          
          
        
          
             
           
                
        
      
      
        
            Jul 20                           
            2017                           
          
        
          
            
              BUY 
            
            
                Grant, award, or other acquisition 
            
                            
         
        
          
              -                  
          
        
            
        
          
              63,453 
              Added 29.55% 
          
   
         
        
          
            151,249  
            Class B Common Stock 
          
          
        
          
             
           
                
        
      
      
        
            Jul 18                           
            2017                           
          
        
          
            
              SELL 
            
            
                Payment of exercise price or tax liability 
            
                            
         
        
          
              $139,274               
              $57.79 p/Share               
          
        
            
        
          
              2,410 
              Reduced 1.55% 
          
   
         
        
          
            153,483  
            Class B Common Stock 
          
          
        
          
             
           
                
        
      
      
        
            Jul 17                           
            2017                           
          
        
          
            
              SELL 
            
            
                Payment of exercise price or tax liability 
            
                            
         
        
          
              $96,106               
              $58.0 p/Share               
          
        
            
        
          
              1,657 
              Reduced 1.05% 
          
   
         
        
          
            155,893  
            Class B Common Stock 
          
          
        
          
             
           
                
        
      
      
        
            Jul 15                           
            2017                           
          
        
          
            
              SELL 
            
            
                Payment of exercise price or tax liability 
            
                            
         
        
          
              $93,670               
              $58.0 p/Share               
          
        
            
        
          
              1,615 
              Reduced 1.01% 
          
   
         
        
          
            157,550  
            Class B Common Stock 
          
          
        
          
             
           
                
        
      
      
        
            Apr 17                           
            2017                           
          
        
          
            
              SELL 
            
            
                Open market or private sale 
            
                            
         
        
          
              $5,600,000               
              $56.0 p/Share               
          
        
            
        
          
              100,000 
              Reduced 38.59% 
          
   
         
        
          
            159,165  
            Class B Common Stock 
          
          
        
          
             
           
                
        
      
      
        
            Apr 17                           
            2017                           
          
        
          
            
              BUY 
            
            
                Exercise of conversion of derivative security 
            
                            
         
        
          
              $1,311,000               
              $13.11 p/Share               
          
        
            
        
          
              100,000 
              Added 32.35% 
          
   
         
        
          
            209,165  
            Class B Common Stock 
          
          
        
          
             
           
                
        
      
      
        
            Jan 04                           
            2017                           
          
        
          
            
              SELL 
            
            
                Open market or private sale 
            
                            
         
        
          
              $3,657,500               
              $52.25 p/Share               
          
        
            
        
          
              70,000 
              Reduced 30.55% 
          
   
         
        
          
            159,165  
            Class B Common Stock 
          
          
        
          
             
           
                
        
      
      
        
            Jan 04                           
            2017                           
          
        
          
            
              BUY 
            
            
                Exercise of conversion of derivative security 
            
                            
         
        
          
              $917,700               
              $13.11 p/Share               
          
        
            
        
          
              70,000 
              Added 23.4% 
          
   
         
        
          
            229,165  
            Class B Common Stock 
          
          
        
          
             
           
                
        
      
      
        
            Jan 03                           
            2017                           
          
        
          
            
              SELL 
            
            
                Open market or private sale 
            
                            
         
        
          
              $3,432,660               
              $52.01 p/Share               
          
        
            
        
          
              66,000 
              Reduced 29.31% 
          
   
         
        
          
            159,165  
            Class B Common Stock 
          
          
        
          
             
           
                
        
      
      
        
            Jan 03                           
            2017                           
          
        
          
            
              BUY 
            
            
                Exercise of conversion of derivative security 
            
                            
         
        
          
              $960,300               
              $14.55 p/Share               
          
        
            
        
          
              66,000 
              Added 22.67% 
          
   
         
        
          
            225,165  
            Class B Common Stock 
          
          
        
          
             
           
                
        
      
      
        
            Jul 26                           
            2016                           
          
        
          
            
              SELL 
            
            
                Open market or private sale 
            
                            
         
        
          
              $4,198,194               
              $57.75 p/Share               
          
        
            
        
          
              72,696 
              Reduced 31.35% 
          
   
         
        
          
            159,165  
            Class B Common Stock 
          
          
        
          
             
           
                
        
      
      
        
            Jul 26                           
            2016                           
          
        
          
            
              BUY 
            
            
                Exercise of conversion of derivative security 
            
                            
         
        
          
              $960,300               
              $14.55 p/Share               
          
        
            
        
          
              66,000 
              Added 22.16% 
          
   
         
        
          
            231,861  
            Class B Common Stock 
          
          
        
          
             
           
                
        
      
      
        
            Jul 19                           
            2016                           
          
        
          
            
              SELL 
            
            
                Payment of exercise price or tax liability 
            
                            
         
        
          
              $154,855               
              $57.76 p/Share               
          
        
            
        
          
              2,681 
              Reduced 1.59% 
          
   
         
        
          
            165,861  
            Class B Common Stock 
          
          
        
          
             
           
                
        
      
      
        
            Jul 18                           
            2016                           
          
        
          
            
              SELL 
            
            
                Payment of exercise price or tax liability 
            
                            
         
        
          
              $139,153               
              $57.74 p/Share               
          
        
            
        
          
              2,410 
              Reduced 1.41% 
          
   
         
        
          
            168,542  
            Class B Common Stock 
          
          
        
          
             
           
                
        
      
      
        
            Jul 17                           
            2016                           
          
        
          
            
              SELL 
            
            
                Payment of exercise price or tax liability 
            
                            
         
        
          
              $95,891               
              $57.87 p/Share               
          
        
            
        
          
              1,657 
              Reduced 0.96% 
          
   
         
        
          
            170,952  
            Class B Common Stock 
          
          
        
          
             
           
                
        
      
      
        
            Jul 15                           
            2016                           
          
        
          
            
              BUY 
            
            
                Grant, award, or other acquisition 
            
                            
         
        
          
              -                  
          
        
            
        
          
              9,505 
              Added 5.22% 
          
   
         
        
          
            172,609  
            Class B Common Stock 
          
          
        
          
             
           
                
        
      
      
        
            Apr 28                           
            2016                           
          
        
          
            
              SELL 
            
            
                Open market or private sale 
            
                            
         
        
          
              $2,366,800               
              $59.17 p/Share               
          
        
            
        
          
              40,000 
              Reduced 19.69% 
          
   
         
        
          
            163,104  
            Class B Common Stock 
          
          
        
          
             
           
                
        
      
      
        
            Apr 28                           
            2016                           
          
        
          
            
              BUY 
            
            
                Exercise of conversion of derivative security 
            
                            
         
        
          
              $585,200               
              $14.63 p/Share               
          
        
            
        
          
              40,000 
              Added 16.45% 
          
   
         
        
          
            203,104  
            Class B Common Stock 
          
          
        
          
             
           
                
        
      
      
        
            Apr 26                           
            2016                           
          
        
          
            
              SELL 
            
            
                Open market or private sale 
            
                            
         
        
          
              $2,383,600               
              $59.59 p/Share               
          
        
            
        
          
              40,000 
              Reduced 19.69% 
          
   
         
        
          
            163,104  
            Class B Common Stock 
          
          
        
          
             
           
                
        
      
      
        
            Apr 26                           
            2016                           
          
        
          
            
              BUY 
            
            
                Exercise of conversion of derivative security 
            
                            
         
        
          
              $585,200               
              $14.63 p/Share               
          
        
            
        
          
              40,000 
              Added 16.45% 
          
   
         
        
          
            203,104  
            Class B Common Stock 
          
          
        
          
             
           
                
        
      
      
        
            Jan 25                           
            2016                           
          
        
          
            
              SELL 
            
            
                Open market or private sale 
            
                            
         
        
          
              $2,450,000               
              $61.25 p/Share               
          
        
            
        
          
              40,000 
              Reduced 19.69% 
          
   
         
        
          
            163,104  
            Class B Common Stock 
          
          
        
          
             
           
                
        
      
      
        
            Jan 25                           
            2016                           
          
        
          
            
              BUY 
            
            
                Exercise of conversion of derivative security 
            
                            
         
        
          
              $585,200               
              $14.63 p/Share               
          
        
            
        
          
              40,000 
              Added 16.45% 
          
   
         
        
          
            203,104  
            Class B Common Stock 
          
          
        
          
             
           
                
        
      
      
        
            Sep 30                           
            2015                           
          
        
          
            
              SELL 
            
            
                Open market or private sale 
            
                            
         
        
          
              $3,409,000               
              $121.75 p/Share               
          
        
            
        
          
              28,000 
              Reduced 25.56% 
          
   
         
        
          
            81,552  
            Class B Common Stock 
          
          
        
          
             
           
                
        
      
      
        
            Sep 30                           
            2015                           
          
        
          
            
              BUY 
            
            
                Exercise of conversion of derivative security 
            
                            
         
        
          
              $551,320               
              $19.69 p/Share               
          
        
            
        
          
              28,000 
              Added 20.36% 
          
   
         
        
          
            109,552  
            Class B Common Stock