| Date Filed | Type | Description |
| 10/20/2022 |
10-K
| Annual Report for the period ended July 31, 2022 |
| 10/21/2021 |
10-K
| Annual Report for the period ended July 31, 2021 |
| 10/23/2020 |
10-K/A
| Annual Report for the period ended July 31, 2020 [amend] |
| 10/08/2020 |
10-K
| Annual Report for the period ended July 31, 2020 |
| 10/03/2019 |
10-K
| Annual Report for the period ended July 31, 2019 |
| 10/04/2018 |
10-K
| Annual Report for the period ended July 31, 2018 |
| 10/05/2017 |
10-K
| Annual Report for the period ended July 31, 2017 |
| 10/06/2016 |
10-K
| Annual Report for the period ended July 31, 2016 |
| 10/08/2015 |
10-K
| Annual Report for the period ended July 31, 2015 |
| 10/02/2014 |
10-K
| Annual Report for the period ended July 31, 2014 |
| 10/03/2013 |
10-K
| Annual Report for the period ended July 31, 2013 |
| 10/04/2012 |
10-K
| Annual Report for the period ended July 31, 2012 |
| 10/06/2011 |
10-K
| Annual Report for the period ended July 31, 2011 |
| 10/07/2010 |
10-K
| Annual Report for the period ended July 31, 2010 |
| 10/08/2009 |
10-K
| Annual Report for the period ended July 31, 2009 |
| 11/17/2008 |
10-K/A
| Annual Report for the period ended July 31, 2008 [amend] |
| 10/09/2008 |
10-K
| Annual Report for the period ended July 31, 2008 |
| 10/11/2007 |
10-K
| Annual Report for the period ended July 31, 2007 |
| 10/12/2006 |
10-K
| Annual Report for the period ended July 31, 2006 |
| 10/14/2005 |
10-K
| Annual Report for the period ended July 31, 2005 |
| 10/14/2004 |
10-K
| Annual Report for the period ended July 31, 2004 |
| 10/16/2003 |
10-K
| Annual Report for the period ended July 31, 2003 |
| 10/21/2002 |
10-K
| Annual Report for the period ended July 31, 2002 |
| 10/18/2001 |
10-K
| Annual Report for the period ended July 31, 2001 |
| 10/20/2000 |
10-K
| Annual Report for the period ended July 31, 2000 |
| 10/22/1999 |
10-K
| Annual Report for the period ended July 31, 1999 |
| 10/20/1998 |
10-K
| Annual Report for the period ended July 31, 1998 |
| 10/20/1997 |
10-K
| Annual Report for the period ended July 31, 1997 |
| 10/24/1996 |
10-K
| Annual Report for the period ended July 31, 1996 |
| 10/23/1995 |
10-K
| Annual Report for the period ended July 31, 1995 |