| Date Filed | Type | Description |
| 04/04/2012 |
10-K/A
| Annual Report for the period ended January 31, 2012 [amend] |
| 04/02/2012 |
10-K
| Annual Report for the period ended January 31, 2012 |
| 10/05/2011 |
10-K/A
| Annual Report for the period ended January 31, 2011 [amend] |
| 05/31/2011 |
10-K
| Annual Report for the period ended January 31, 2011 |
| 01/25/2011 |
10-K
| Annual Report for the period ended January 31, 2010 |
| 10/04/2010 |
10-K
| Annual Report for the period ended January 31, 2009 |
| 04/20/2005 |
10-K/A
| Annual Report for the period ended January 31, 2005 [amend] |
| 04/04/2005 |
10-K
| Annual Report for the period ended January 31, 2005 |
| 04/14/2004 |
10-K
| Annual Report for the period ended January 31, 2004 |
| 05/30/2003 |
10-K/A
| Annual Report for the period ended January 31, 2003 [amend] |
| 04/30/2003 |
10-K
| Annual Report for the period ended January 31, 2003 |
| 05/29/2002 |
10-K/A
| Annual Report for the period ended January 31, 2002 [amend] |
| 04/30/2002 |
10-K
| Annual Report for the period ended January 31, 2002 |
| 04/30/2001 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 05/30/2000 |
10-K405/A
| Form 10-K405/A - Annual report [Sections 13 and 15(d), S-K Item 405] [Amend] |
| 05/01/2000 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 05/28/1999 |
10-K405/A
| Form 10-K405/A - Annual report [Sections 13 and 15(d), S-K Item 405] [Amend] |
| 04/26/1999 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 05/12/1998 |
10-K405/A
| Form 10-K405/A - Annual report [Sections 13 and 15(d), S-K Item 405] [Amend] |
| 04/28/1998 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 04/28/1998 |
10-K/A
| Annual Report for the period ended December 31, 1997 [amend] |
| 03/30/1998 |
10-K
| Annual Report for the period ended December 31, 1997 |
| 04/28/1997 |
10-K405/A
| Form 10-K405/A - Annual report [Sections 13 and 15(d), S-K Item 405] [Amend] |
| 03/25/1997 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 04/29/1996 |
10-K/A
| Annual Report for the period ended December 31, 1995 [amend] |
| 03/28/1996 |
10-K
| Annual Report for the period ended December 31, 1995 |
| 04/28/1995 |
10-K405/A
| Form 10-K405/A - Annual report [Sections 13 and 15(d), S-K Item 405] [Amend] |
| 03/31/1995 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |