| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 05/01/13 | 10-Q | Quarterly report pursuant to Section 13 or 15(d) |
|
   |
78 |
| 04/30/13 | 8-K | Current report filing |
|
14 | |
| 04/17/13 | ARS | Annual report to security holders |
|
1 | |
| 04/16/13 | DEF 14A | Definitive proxy statements |
|
54 | |
| 03/20/13 | S-8 | Initial registration statement for securities to be offered to employees pursuant to employee benefit plans |
|
7 | |
| 02/21/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/21/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/21/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/21/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/21/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
