| Date Filed | Type | Description |
| 05/28/2010 |
10-K/A
| Annual Report for the period ended January 31, 2010 [amend] |
| 03/25/2010 |
10-K
| Annual Report for the period ended January 31, 2010 |
| 05/28/2009 |
10-K/A
| Annual Report for the period ended January 31, 2009 [amend] |
| 04/01/2009 |
10-K
| Annual Report for the period ended January 31, 2009 |
| 09/17/2008 |
10-K/A
| Annual Report for the period ended January 31, 2008 [amend] |
| 05/23/2008 |
10-K/A
| Annual Report for the period ended January 31, 2008 [amend] |
| 03/31/2008 |
10-K
| Annual Report for the period ended January 31, 2008 |
| 05/31/2007 |
10-K/A
| Annual Report for the period ended January 31, 2007 [amend] |
| 04/13/2007 |
10-K
| Annual Report for the period ended January 31, 2007 |
| 04/13/2006 |
10-K
| Annual Report for the period ended January 31, 2006 |
| 04/15/2005 |
10-K
| Annual Report for the period ended January 31, 2005 |
| 04/14/2005 |
10-K/A
| Annual Report for the period ended January 31, 2004 [amend] |
| 05/27/2004 |
10-K/A
| Annual Report for the period ended January 31, 2004 [amend] |
| 04/15/2004 |
10-K
| Annual Report for the period ended January 31, 2004 |
| 09/22/2003 |
10-K/A
| Annual Report for the period ended January 31, 2003 [amend] |
| 06/02/2003 |
10-K/A
| Annual Report for the period ended January 31, 2003 [amend] |
| 05/23/2003 |
10-K/A
| Annual Report for the period ended January 31, 2003 [amend] |
| 04/29/2003 |
10-K
| Annual Report for the period ended January 31, 2003 |
| 04/30/2002 |
10-K/A
| Annual Report for the period ended December 31, 2001 [amend] |
| 03/12/2002 |
10-K
| Annual Report for the period ended December 31, 2001 |
| 05/01/2001 |
10-K405/A
| Form 10-K405/A - Annual report [Sections 13 and 15(d), S-K Item 405] [Amend] |
| 04/02/2001 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 05/01/2000 |
10-K405/A
| Form 10-K405/A - Annual report [Sections 13 and 15(d), S-K Item 405] [Amend] |
| 03/30/2000 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 05/04/1999 |
10-K/A
| Annual Report for the period ended December 31, 1998 [amend] |
| 03/31/1999 |
10-K
| Annual Report for the period ended December 31, 1998 |
| 03/20/1998 |
10-K
| Annual Report for the period ended December 31, 1997 |
| 04/15/1997 |
10-K/A
| Annual Report for the period ended December 31, 1996 [amend] |
| 03/31/1997 |
10-K
| Annual Report for the period ended December 31, 1996 |