| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 03/19/13 | DEF 14A | Form DEF 14A: Definitive proxy statements | 53 | |
| 03/05/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/05/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/05/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/05/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/27/13 | 10-K | Form 10-K: Annual report [Section 13 and 15(d), not S-K Item 405] |
|
132 |
| 02/20/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/20/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/20/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/20/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |