| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 06/21/13 | DEFA14A | Form DEFA14A: Additional definitive proxy soliciting materials and Rule 14(a)(12) material | 3 | |
| 05/14/13 | DEFA14A | Form DEFA14A: Additional definitive proxy soliciting materials and Rule 14(a)(12) material | 5 | |
| 05/14/13 | DEF 14A | Form DEF 14A: Definitive proxy statements | 66 | |
| 06/15/12 | DEFA14A | Form DEFA14A: Additional definitive proxy soliciting materials and Rule 14(a)(12) material | 6 | |
| 05/15/12 | DEFA14A | Form DEFA14A: Additional definitive proxy soliciting materials and Rule 14(a)(12) material | 5 | |
| 05/15/12 | DEF 14A | Form DEF 14A: Definitive proxy statements | 71 | |
| 05/19/11 | DEFA14A | Form DEFA14A: Additional definitive proxy soliciting materials and Rule 14(a)(12) material | 5 | |
| 05/19/11 | DEF 14A | Form DEF 14A: Definitive proxy statements | 94 | |
| 04/28/11 | PRE 14A | Form PRE 14A: Preliminary proxy statement not related to a contested matter or merger/acquisition | 90 | |
| 05/27/10 | DEF 14A | Form DEF 14A: Definitive proxy statements | 114 |
