| Date Filed | Type | Description |
| 11/14/2018 |
10-K/A
| Annual Report for the period ended July 31, 2018 [amend] |
| 10/01/2018 |
10-K
| Annual Report for the period ended July 31, 2018 |
| 10/16/2017 |
10-K
| Annual Report for the period ended July 31, 2017 |
| 10/14/2016 |
10-K
| Annual Report for the period ended July 31, 2016 |
| 01/27/2016 |
10-K/A
| Annual Report for the period ended July 31, 2015 [amend] |
| 12/15/2015 |
10-K/A
| Annual Report for the period ended July 31, 2015 [amend] |
| 11/27/2015 |
10-K
| Annual Report for the period ended July 31, 2015 |
| 10/28/2014 |
10-K
| Annual Report for the period ended July 31, 2014 |
| 10/30/2013 |
10-K
| Annual Report for the period ended July 31, 2013 |
| 11/09/2012 |
10-K/A
| Annual Report for the period ended July 31, 2012 [amend] |
| 10/15/2012 |
10-K
| Annual Report for the period ended July 31, 2012 |
| 10/14/2011 |
10-K
| Annual Report for the period ended July 31, 2011 |
| 10/14/2010 |
10-K
| Annual Report for the period ended July 31, 2010 |
| 10/14/2009 |
10-K
| Annual Report for the period ended July 31, 2009 |
| 10/14/2008 |
10-K
| Annual Report for the period ended July 31, 2008 |
| 10/16/2007 |
10-K
| Annual Report for the period ended July 31, 2007 |
| 10/23/2006 |
10-K
| Annual Report for the period ended July 31, 2006 |
| 10/31/2005 |
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 |
| 10/23/2003 |
10-K
| Annual Report for the period ended July 31, 2003 |
| 10/18/2002 |
10-K
| Annual Report for the period ended July 31, 2002 |
| 10/24/2001 |
10-K
| Annual Report for the period ended July 31, 2001 |