| Date Filed | Type | Description |
| 10/24/2022 |
10-K
| Annual Report for the period ended August 31, 2022 |
| 10/22/2021 |
10-K
| Annual Report for the period ended August 31, 2021 |
| 10/21/2020 |
10-K
| Annual Report for the period ended August 31, 2020 |
| 10/22/2019 |
10-K
| Annual Report for the period ended August 31, 2019 |
| 10/22/2018 |
10-K
| Annual Report for the period ended August 31, 2018 |
| 10/23/2017 |
10-K
| Annual Report for the period ended August 31, 2017 |
| 10/24/2016 |
10-K
| Annual Report for the period ended August 31, 2016 |
| 10/22/2015 |
10-K
| Annual Report for the period ended August 31, 2015 |
| 10/21/2014 |
10-K
| Annual Report for the period ended August 31, 2014 |
| 10/22/2013 |
10-K
| Annual Report for the period ended August 31, 2013 |
| 10/29/2012 |
10-K/A
| Annual Report for the period ended August 31, 2012 [amend] |
| 10/22/2012 |
10-K
| Annual Report for the period ended August 31, 2012 |
| 10/20/2011 |
10-K
| Annual Report for the period ended August 31, 2011 |
| 10/18/2010 |
10-K
| Annual Report for the period ended August 31, 2010 |
| 10/16/2009 |
10-K
| Annual Report for the period ended August 31, 2009 |
| 10/22/2008 |
10-K
| Annual Report for the period ended August 31, 2008 |
| 10/25/2007 |
10-K
| Annual Report for the period ended August 31, 2007 |
| 10/25/2006 |
10-K
| Annual Report for the period ended August 31, 2006 |
| 10/25/2006 |
AR
| 2006 Annual Report |
| 11/08/2005 |
AR
| 2005 Annual Report |
| 11/07/2005 |
10-K
| Annual Report for the period ended August 31, 2005 |
| 10/27/2004 |
10-K
| Annual Report for the period ended August 31, 2004 |
| 10/31/2003 |
10-K
| Annual Report for the period ended August 31, 2003 |
| 11/08/2002 |
10-K
| Annual Report for the period ended August 31, 2002 |
| 11/08/2002 |
AR
| 2002 Annual Report |
| 11/27/2001 |
10-K/A
| Annual Report for the period ended August 31, 2001 [amend] |
| 11/07/2001 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 10/25/2000 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 11/23/1999 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 11/23/1998 |
10-K
| Annual Report for the period ended August 31, 1998 |
| 12/05/1997 |
10-K/A
| Annual Report for the period ended August 31, 1997 [amend] |
| 11/28/1997 |
10-K
| Annual Report for the period ended August 31, 1997 |
| 11/26/1996 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 11/13/1995 |
10-K
| Annual Report for the period ended August 31, 1995 |