| Date Filed | Type | Description |
| 04/29/2022 |
10-K/A
| Annual Report for the period ended December 31, 2021 [amend] |
| 02/25/2022 |
10-K
| Annual Report for the period ended December 31, 2021 |
| 03/02/2021 |
10-K
| Annual Report for the period ended December 31, 2020 |
| 02/27/2020 |
10-K
| Annual Report for the period ended December 31, 2019 |
| 02/26/2019 |
10-K
| Annual Report for the period ended December 31, 2018 |
| 02/28/2018 |
10-K
| Annual Report for the period ended December 31, 2017 |
| 03/06/2017 |
10-K
| Annual Report for the period ended December 31, 2016 |
| 03/04/2016 |
10-K
| Annual Report for the period ended December 31, 2015 |
| 03/13/2015 |
10-K
| Annual Report for the period ended December 31, 2014 |
| 04/30/2014 |
10-K/A
| Annual Report for the period ended December 31, 2013 [amend] |
| 03/14/2014 |
10-K
| Annual Report for the period ended December 31, 2013 |
| 03/15/2013 |
10-K
| Annual Report for the period ended December 31, 2012 |
| 03/14/2012 |
10-K
| Annual Report for the period ended December 31, 2011 |
| 03/15/2011 |
10-K
| Annual Report for the period ended December 31, 2010 |
| 03/16/2010 |
10-K
| Annual Report for the period ended December 31, 2009 |
| 10/30/2008 |
10-K
| Annual Report for the period ended August 31, 2008 |
| 10/29/2007 |
10-K
| Annual Report for the period ended August 31, 2007 |
| 10/29/2007 |
AR
| 2007 Annual Report |
| 11/13/2006 |
10-K
| Annual Report for the period ended August 31, 2006 |
| 11/13/2006 |
AR
| 2006 Annual Report |
| 11/14/2005 |
10-K
| Annual Report for the period ended August 31, 2005 |
| 11/14/2005 |
AR
| 2005 Annual Report |
| 03/10/2005 |
10-K/A
| Annual Report for the period ended August 31, 2004 [amend] |
| 02/16/2005 |
10-K/A
| Annual Report for the period ended August 31, 2004 [amend] |
| 11/12/2004 |
10-K
| Annual Report for the period ended August 31, 2004 |
| 11/12/2004 |
AR
| 2004 Annual Report |
| 11/21/2003 |
10-K
| Annual Report for the period ended August 31, 2003 |
| 11/19/2002 |
10-K
| Annual Report for the period ended August 31, 2002 |
| 11/29/2001 |
10-K
| Annual Report for the period ended August 31, 2001 |
| 11/29/2000 |
10-K
| Annual Report for the period ended August 31, 2000 |
| 11/29/1999 |
10-K
| Annual Report for the period ended August 31, 1999 |
| 11/25/1998 |
10-K
| Annual Report for the period ended August 31, 1998 |
| 11/26/1997 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 11/27/1996 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |