| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 03/01/13 | Prospectus filed pursuant to Rule 424(b)(2) |
|
103 | ||
| 03/01/13 | Filing under Securities Act Rules 163/433 of free writing prospectuses |
|
5 | ||
| 02/28/13 | Automatic shelf registration statement of securities of well-known seasoned issuers |
|
350 | ||
| 02/26/13 | Initial registration statement for securities to be offered to employees pursuant to employee benefit plans |
|
22 | ||
| 02/26/13 | Annual report pursuant to Section 13 and 15(d) |
|
  |
331 | |
| 02/25/13 | Statement of changes in beneficial ownership of securities |
|
2 |