| Date Filed | Type | Description |
| 09/26/2017 |
10-K
| Annual Report for the period ended July 31, 2017 |
| 09/27/2016 |
10-K
| Annual Report for the period ended July 31, 2016 |
| 09/25/2015 |
10-K
| Annual Report for the period ended July 31, 2015 |
| 09/26/2014 |
10-K
| Annual Report for the period ended July 31, 2014 |
| 09/30/2013 |
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 |
| 10/04/2011 |
10-K
| Annual Report for the period ended July 31, 2011 |
| 09/23/2010 |
10-K
| Annual Report for the period ended July 31, 2010 |
| 11/24/2009 |
10-K/A
| Annual Report for the period ended July 31, 2009 [amend] |
| 09/29/2009 |
10-K
| Annual Report for the period ended July 31, 2009 |
| 09/29/2008 |
10-K
| Annual Report for the period ended July 31, 2008 |
| 11/28/2007 |
10-K/A
| Annual Report for the period ended July 31, 2007 [amend] |
| 09/27/2007 |
10-K
| Annual Report for the period ended July 31, 2007 |
| 09/27/2007 |
AR
| 2007 Annual Report |
| 10/16/2006 |
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 |
| 02/18/2005 |
10-K/A
| Annual Report for the period ended July 31, 2004 [amend] |
| 01/31/2005 |
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 |
| 10/29/2003 |
10-K/A
| Annual Report for the period ended July 31, 2002 [amend] |
| 10/29/2003 |
10-K/A
| Annual Report for the period ended July 31, 2001 [amend] |
| 10/25/2002 |
10-K
| Annual Report for the period ended July 31, 2002 |
| 10/26/2001 |
10-K
| Annual Report for the period ended July 31, 2001 |
| 06/04/2001 |
10-K405/A
| Form 10-K405/A - Annual report [Sections 13 and 15(d), S-K Item 405] [Amend] |
| 12/12/2000 |
10-K405/A
| Form 10-K405/A - Annual report [Sections 13 and 15(d), S-K Item 405] [Amend] |
| 10/20/2000 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 10/08/1999 |
10-K
| Annual Report for the period ended July 31, 1999 |
| 10/05/1998 |
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 |
| 10/15/1996 |
10-K
| Annual Report for the period ended July 31, 1996 |
| 10/05/1995 |
10-K
| Annual Report for the period ended July 31, 1995 |
| 10/20/1994 |
10-K
| Annual Report for the period ended July 31, 1994 |