| Date Filed | Type | Description |
| 04/21/2014 |
10-K
| Annual Report for the period ended January 31, 2014 |
| 04/22/2013 |
10-K
| Annual Report for the period ended January 31, 2013 |
| 04/18/2012 |
10-K
| Annual Report for the period ended January 31, 2012 |
| 04/20/2011 |
10-K
| Annual Report for the period ended January 31, 2011 |
| 01/28/2011 |
10-K/A
| Annual Report for the period ended January 31, 2010 [amend] |
| 04/16/2010 |
10-K
| Annual Report for the period ended January 31, 2010 |
| 04/21/2009 |
10-K
| Annual Report for the period ended January 31, 2009 |
| 04/21/2008 |
10-K
| Annual Report for the period ended January 31, 2008 |
| 04/20/2007 |
10-K
| Annual Report for the period ended January 31, 2007 |
| 04/20/2006 |
10-K
| Annual Report for the period ended January 31, 2006 |
| 01/13/2006 |
10-K/A
| Annual Report for the period ended January 31, 2005 [amend] |
| 05/02/2005 |
10-K
| Annual Report for the period ended January 31, 2005 |
| 04/16/2004 |
10-K
| Annual Report for the period ended January 31, 2004 |
| 04/21/2003 |
10-K
| Annual Report for the period ended January 31, 2003 |
| 04/11/2002 |
10-K
| Annual Report for the period ended January 31, 2002 |
| 04/30/2001 |
10-K
| Annual Report for the period ended January 31, 2001 |
| 12/29/2000 |
10-K/A
| Annual Report for the period ended January 31, 2000 [amend] |
| 06/19/2000 |
10-K/A
| Annual Report for the period ended January 31, 2000 [amend] |
| 06/14/2000 |
10-K
| Annual Report for the period ended January 31, 2000 |
| 05/03/1999 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |