| Date Filed | Type | Description |
| 03/23/2016 |
10-K
| Annual Report for the period ended January 31, 2016 |
| 03/19/2015 |
10-K
| Annual Report for the period ended January 31, 2015 |
| 03/14/2014 |
10-K
| Annual Report for the period ended January 31, 2014 |
| 03/15/2013 |
10-K
| Annual Report for the period ended January 31, 2013 |
| 03/23/2012 |
10-K
| Annual Report for the period ended January 31, 2012 |
| 08/25/2011 |
10-K/A
| Annual Report for the period ended January 30, 2011 [amend] |
| 03/11/2011 |
10-K
| Annual Report for the period ended January 31, 2011 |
| 03/31/2010 |
10-K
| Annual Report for the period ended January 31, 2010 |
| 04/02/2009 |
10-K
| Annual Report for the period ended January 31, 2009 |
| 04/15/2008 |
10-K
| Annual Report for the period ended January 31, 2008 |
| 04/16/2007 |
10-K
| Annual Report for the period ended January 31, 2007 |
| 04/14/2006 |
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 |
| 04/15/2004 |
10-K
| Annual Report for the period ended January 31, 2004 |
| 06/16/2003 |
10-K/A
| Annual Report for the period ended January 31, 2003 [amend] |
| 05/01/2003 |
10-K
| Annual Report for the period ended January 31, 2003 |
| 09/13/2002 |
10-K/A
| Annual Report for the period ended January 31, 2002 [amend] |
| 04/03/2002 |
10-K
| Annual Report for the period ended January 31, 2002 |
| 04/30/2001 |
10-KT
| Form 10-KT - Transition reports [Rule 13a-10 or 15d-10] |
| 04/09/2001 |
10-K/A
| Annual Report for the period ended December 31, 2000 [amend] |
| 04/02/2001 |
10-K
| Annual Report for the period ended December 31, 2000 |
| 01/22/2001 |
10-K405/A
| Form 10-K405/A - Annual report [Sections 13 and 15(d), S-K Item 405] [Amend] |
| 01/12/2001 |
10-K405/A
| Form 10-K405/A - Annual report [Sections 13 and 15(d), S-K Item 405] [Amend] |
| 04/28/2000 |
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] |