| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 09/25/17 | Definitive proxy statements | 
       
   | 
  92 | ||
| 09/27/16 | Additional definitive proxy soliciting materials and Rule 14(a)(12) material | 
       
   | 
  4 | ||
| 09/26/16 | Definitive proxy statements | 
       
   | 
  133 | ||
| 08/25/16 | Preliminary proxy statement not related to a contested matter or merger/acquisition | 
       
   | 
  144 | ||
| 09/29/15 | Additional definitive proxy soliciting materials and Rule 14(a)(12) material | 
       
   | 
  3 | ||
| 09/28/15 | Definitive proxy statements | 
       
   | 
  99 | ||
| 08/24/15 | Preliminary proxy statement not related to a contested matter or merger/acquisition | 
       
   | 
  98 | ||
| 10/14/14 | Additional definitive proxy soliciting materials and Rule 14(a)(12) material | 
       
   | 
  3 | ||
| 09/22/14 | Definitive proxy statements | 
       
   | 
  106 | ||
| 10/15/13 | Additional definitive proxy soliciting materials and Rule 14(a)(12) material | 
       
   | 
  3 | 
