| Date Filed | Type | Description |
| 05/16/2022 |
10-K
| Annual Report for the period ended March 31, 2022 |
| 05/18/2021 |
10-K
| Annual Report for the period ended March 31, 2021 |
| 05/22/2020 |
10-K
| Annual Report for the period ended March 31, 2020 |
| 05/13/2019 |
10-K
| Annual Report for the period ended March 31, 2019 |
| 05/16/2018 |
10-K
| Annual Report for the period ended March 31, 2018 |
| 05/23/2017 |
10-K
| Annual Report for the period ended March 31, 2017 |
| 05/18/2016 |
10-K
| Annual Report for the period ended March 31, 2016 |
| 05/21/2015 |
10-K
| Annual Report for the period ended March 31, 2015 |
| 05/13/2014 |
10-K
| Annual Report for the period ended March 31, 2014 |
| 05/13/2013 |
10-K
| Annual Report for the period ended March 31, 2013 |
| 05/22/2012 |
10-K
| Annual Report for the period ended March 31, 2012 |
| 05/24/2011 |
10-K
| Annual Report for the period ended March 31, 2011 |
| 12/20/2010 |
10-KT
| Form 10-KT - Transition reports [Rule 13a-10 or 15d-10] |
| 12/18/2009 |
10-K
| Annual Report for the period ended October 31, 2009 |
| 12/19/2008 |
10-K
| Annual Report for the period ended October 31, 2008 |
| 12/20/2007 |
10-K
| Annual Report for the period ended October 31, 2007 |
| 02/28/2007 |
10-K
| Annual Report for the period ended October 31, 2006 |
| 02/28/2006 |
10-K/A
| Annual Report for the period ended October 31, 2005 [amend] |
| 01/31/2006 |
10-K
| Annual Report for the period ended October 31, 2005 |
| 03/04/2005 |
10-K/A
| Annual Report for the period ended October 31, 2004 [amend] |
| 02/25/2005 |
10-K/A
| Annual Report for the period ended October 31, 2004 [amend] |
| 12/22/2004 |
10-K
| Annual Report for the period ended October 31, 2004 |
| 03/01/2004 |
10-K/A
| Annual Report for the period ended October 31, 2003 [amend] |
| 03/01/2004 |
10-K/A
| Annual Report for the period ended October 31, 2003 [amend] |
| 02/12/2004 |
10-K
| Annual Report for the period ended October 31, 2003 |
| 12/20/2002 |
10-K
| Annual Report for the period ended October 31, 2002 |
| 04/19/2002 |
10-K/A
| Annual Report for the period ended October 31, 2000 [amend] |
| 02/28/2002 |
10-K/A
| Annual Report for the period ended October 31, 2001 [amend] |
| 02/12/2002 |
10-K
| Annual Report for the period ended October 31, 2001 |
| 02/22/2001 |
10-K/A
| Annual Report for the period ended October 31, 2000 [amend] |
| 01/29/2001 |
10-K
| Annual Report for the period ended October 31, 2000 |
| 02/28/2000 |
10-K/A
| Annual Report for the period ended October 31, 1999 [amend] |
| 01/27/2000 |
10-K
| Annual Report for the period ended October 31, 1999 |
| 01/29/1999 |
10-K
| Annual Report for the period ended October 31, 1998 |