| Date Filed | Type | Description |
| 10/28/2016 |
10-K
| Annual Report for the period ended July 31, 2016 |
| 10/29/2015 |
10-K
| Annual Report for the period ended July 31, 2015 |
| 10/29/2014 |
10-K
| Annual Report for the period ended July 31, 2014 |
| 10/30/2013 |
10-K/A
| Annual Report for the period ended July 31, 2013 [amend] |
| 10/29/2013 |
10-K
| Annual Report for the period ended July 31, 2013 |
| 10/29/2012 |
10-K
| Annual Report for the period ended July 31, 2012 |
| 10/31/2011 |
10-K
| Annual Report for the period ended July 31, 2011 |
| 12/07/2010 |
10-K/A
| Annual Report for the period ended July 31, 2010 [amend] |
| 10/29/2010 |
10-K
| Annual Report for the period ended July 31, 2010 |
| 10/29/2009 |
10-K
| Annual Report for the period ended July 31, 2009 |
| 10/29/2008 |
10-K
| Annual Report for the period ended July 31, 2008 |
| 10/29/2004 |
10-K
| Annual Report for the period ended July 31, 2004 |
| 10/29/2003 |
10-K
| Annual Report for the period ended July 31, 2003 |
| 11/13/2002 |
10-K
| Annual Report for the period ended July 31, 2002 |
| 11/13/2001 |
10-K
| Annual Report for the period ended July 31, 2001 |
| 06/01/2001 |
10-K/A
| Annual Report for the period ended July 31, 2000 [amend] |
| 10/30/2000 |
10-K
| Annual Report for the period ended July 31, 2000 |
| 10/29/1999 |
10-K
| Annual Report for the period ended July 31, 1999 |
| 10/29/1998 |
10-K
| Annual Report for the period ended July 31, 1998 |
| 10/17/1997 |
10-K
| Annual Report for the period ended July 31, 1997 |
| 10/29/1996 |
10-K
| Annual Report for the period ended July 31, 1996 |