| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 03/24/17 | DEFA14A | Form DEFA14A: Additional definitive proxy soliciting materials and Rule 14(a)(12) material | 5 | |
| 03/24/17 | DEF 14A | Form DEF 14A: Definitive proxy statements | 71 | |
| 03/24/16 | DEF 14A | Form DEF 14A: Definitive proxy statements | 80 | |
| 03/27/15 | DEF 14A | Form DEF 14A: Definitive proxy statements | 76 | |
| 03/27/14 | DEFA14A | Form DEFA14A: Additional definitive proxy soliciting materials and Rule 14(a)(12) material | 4 | |
| 03/27/14 | DEF 14A | Form DEF 14A: Definitive proxy statements | 83 | |
| 04/05/13 | DEFA14A | Form DEFA14A: Additional definitive proxy soliciting materials and Rule 14(a)(12) material | 13 | |
| 03/25/13 | DEF 14A | Form DEF 14A: Definitive proxy statements | 104 | |
| 04/30/12 | DEFA14A | Form DEFA14A: Additional definitive proxy soliciting materials and Rule 14(a)(12) material | 5 | |
| 03/23/12 | DEF 14A | Form DEF 14A: Definitive proxy statements | 62 |