| Date | Form | Description | XBRL | Pages | 
|---|---|---|---|---|
| 12/12/14 | ARS | Form ARS: Annual report to security holders | 1 | |
| 10/09/14 | 10-K | Form 10-K: Annual report pursuant to Section 13 and 15(d) |  | 133 | 
| 10/15/13 | 10-K | Form 10-K: Annual report pursuant to Section 13 and 15(d) |  | 224 | 
| 10/15/12 | 10-K | Form 10-K: Annual report pursuant to Section 13 and 15(d) |  | 106 | 
| 10/14/11 | 10-K | Form 10-K: Annual report pursuant to Section 13 and 15(d) | 100 | |
| 10/14/10 | 10-K | Form 10-K: Annual report pursuant to Section 13 and 15(d) | 145 | |
| 12/14/09 | 10-K/A | Form 10-K/A: Annual report pursuant to Section 13 and 15(d) | 8 | |
| 11/25/09 | 10-K/A | Form 10-K/A: Annual report pursuant to Section 13 and 15(d) | 29 | |
| 10/14/09 | 10-K | Form 10-K: Annual report pursuant to Section 13 and 15(d) | 101 | |
| 10/14/08 | 10-K | Form 10-K: Annual report pursuant to Section 13 and 15(d) | 95 | 
