| Date Filed | Type | Description |
| 02/16/2021 |
10-K/A
| Annual Report for the period ended December 31, 2020 [amend] |
| 02/08/2021 |
10-K
| Annual Report for the period ended December 31, 2020 |
| 02/04/2020 |
10-K
| Annual Report for the period ended December 31, 2019 |
| 02/06/2019 |
10-K
| Annual Report for the period ended December 31, 2018 |
| 02/08/2018 |
10-K
| Annual Report for the period ended December 31, 2017 |
| 03/24/2017 |
10-K/A
| Annual Report for the period ended December 31, 2016 [amend] |
| 02/16/2017 |
10-K
| Annual Report for the period ended December 31, 2016 |
| 01/19/2017 |
10-K/A
| Annual Report for the period ended December 31, 2015 [amend] |
| 02/08/2016 |
10-K
| Annual Report for the period ended December 31, 2015 |
| 02/06/2015 |
10-K
| Annual Report for the period ended December 31, 2014 |
| 02/10/2014 |
10-K
| Annual Report for the period ended December 31, 2013 |
| 02/19/2013 |
10-K
| Annual Report for the period ended December 31, 2012 |
| 02/17/2012 |
10-K
| Annual Report for the period ended December 31, 2011 |
| 02/17/2011 |
10-K
| Annual Report for the period ended December 31, 2010 |
| 02/23/2010 |
10-K
| Annual Report for the period ended December 31, 2009 |
| 02/23/2009 |
10-K
| Annual Report for the period ended December 31, 2008 |
| 02/29/2008 |
10-K
| Annual Report for the period ended December 31, 2007 |
| 02/23/2007 |
10-K
| Annual Report for the period ended December 31, 2006 |
| 03/07/2006 |
10-KT
| Form 10-KT - Transition reports [Rule 13a-10 or 15d-10] |
| 10/11/2005 |
10-K
| Annual Report for the period ended July 31, 2005 |
| 09/27/2004 |
10-K
| Annual Report for the period ended July 31, 2004 |
| 05/06/2004 |
10-K/A
| Annual Report for the period ended July 31, 2003 [amend] |
| 10/27/2003 |
10-K
| Annual Report for the period ended July 31, 2003 |
| 10/29/2002 |
10-K
| Annual Report for the period ended July 31, 2002 |
| 10/29/2001 |
10-K
| Annual Report for the period ended July 31, 2001 |
| 10/06/2000 |
10-K
| Annual Report for the period ended July 31, 2000 |
| 11/29/1999 |
10-K/A
| Annual Report for the period ended July 31, 1999 [amend] |
| 11/19/1999 |
10-K/A
| Annual Report for the period ended July 31, 1999 [amend] |
| 10/20/1999 |
10-K
| Annual Report for the period ended July 31, 1999 |
| 10/27/1998 |
10-K
| Annual Report for the period ended July 31, 1998 |
| 11/20/1997 |
10-K/A
| Annual Report for the period ended July 31, 1997 [amend] |
| 10/28/1997 |
10-K
| Annual Report for the period ended July 31, 1997 |
| 04/09/1997 |
10-K/A
| Annual Report for the period ended July 31, 1996 [amend] |
| 10/29/1996 |
10-K
| Annual Report for the period ended July 31, 1996 |