| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 04/27/12 | Current report filing |
|
3 | ||
| 04/18/12 | Current report filing |
|
3 | ||
| 04/18/12 | Current report filing |
|
7 | ||
| 04/04/12 | Annual report to security holders |
|
263 | ||
| 04/04/12 | Definitive proxy statements |
|
101 | ||
| 04/02/12 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 04/02/12 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 04/02/12 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 04/02/12 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 04/02/12 | Statement of changes in beneficial ownership of securities |
|
1 |