| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 03/26/99 | 10-K | Form 10-K: Annual report pursuant to Section 13 and 15(d) | 99 | |
| 04/08/98 | 10-K/A | Form 10-K/A: Annual report pursuant to Section 13 and 15(d) | 4 | |
| 03/19/98 | 10-K | Form 10-K: Annual report pursuant to Section 13 and 15(d) | 157 | |
| 07/10/97 | 10-K/A | Form 10-K/A: Annual report pursuant to Section 13 and 15(d) | 71 | |
| 03/21/97 | 10-K405 | Form 10-K405: Annual report [Sections 13 and 15(d), S-K Item 405] | 140 | |
| 03/28/96 | 10-K | Form 10-K: Annual report pursuant to Section 13 and 15(d) | 72 | |
| 12/31/69 | 10-K405 | Form 10-K405: Annual report [Sections 13 and 15(d), S-K Item 405] | 81 |