| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 03/30/12 | Additional definitive proxy soliciting materials and Rule 14(a)(12) material |
|
6 | ||
| 03/30/12 | Definitive proxy statements |
|
82 | ||
| 03/27/12 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 03/12/12 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 03/12/12 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 03/01/12 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 03/01/12 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 02/29/12 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 02/29/12 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 02/29/12 | Statement of changes in beneficial ownership of securities |
|
1 |