| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/07/18 | 10-K | Annual report pursuant to Section 13 and 15(d) | ZIP | 166 | |
| 02/08/17 | 10-K | Annual report pursuant to Section 13 and 15(d) | ZIP | 140 | |
| 02/12/16 | 10-K | Annual report pursuant to Section 13 and 15(d) | ZIP | 431 | |
| 02/05/15 | 10-K | Annual report pursuant to Section 13 and 15(d) | ZIP | 111 | |
| 02/06/14 | 10-K | Annual report pursuant to Section 13 and 15(d) | ZIP | 133 | |
| 04/12/13 | ARS | Annual report to security holders | 110 | ||
| 02/07/13 | 10-K | Annual report pursuant to Section 13 and 15(d) | ZIP | 112 | |
| 07/26/12 | 10-K/A | Annual report pursuant to Section 13 and 15(d) | ZIP | 141 | |
| 02/23/12 | 10-K | Annual report pursuant to Section 13 and 15(d) | ZIP | 140 | |
| 03/08/11 | 10-K | Annual report pursuant to Section 13 and 15(d) | 343 |