| Date Filed | Type | Description |
| 02/24/2022 |
10-K
| Annual Report for the period ended December 31, 2021 |
| 02/26/2021 |
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 |
| 02/27/2018 |
10-K
| Annual Report for the period ended December 31, 2017 |
| 02/27/2017 |
10-K
| Annual Report for the period ended December 31, 2016 |
| 02/23/2016 |
10-K
| Annual Report for the period ended December 31, 2015 |
| 03/02/2015 |
10-K
| Annual Report for the period ended December 31, 2014 |
| 02/25/2014 |
10-K
| Annual Report for the period ended December 31, 2013 |
| 02/26/2013 |
10-K
| Annual Report for the period ended December 31, 2012 |
| 02/27/2012 |
10-K
| Annual Report for the period ended December 31, 2011 |
| 02/28/2011 |
10-K
| Annual Report for the period ended December 31, 2010 |
| 02/26/2010 |
10-K
| Annual Report for the period ended December 31, 2009 |
| 01/28/2009 |
10-K
| Annual Report for the period ended November 30, 2008 |
| 01/28/2008 |
10-K
| Annual Report for the period ended November 30, 2007 |
| 02/12/2007 |
10-K
| Annual Report for the period ended November 30, 2006 |
| 02/13/2006 |
10-K
| Annual Report for the period ended November 30, 2005 |
| 02/10/2005 |
10-K
| Annual Report for the period ended November 30, 2004 |
| 10/15/2004 |
10-K/A
| Annual Report for the period ended November 30, 2003 [amend] |
| 02/25/2004 |
10-K
| Annual Report for the period ended November 30, 2003 |
| 02/19/2003 |
10-K
| Annual Report for the period ended November 30, 2002 |
| 02/14/2002 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 02/27/2001 |
10-K/A
| Annual Report for the period ended November 30, 2000 [amend] |
| 02/16/2001 |
10-K
| Annual Report for the period ended November 30, 2000 |
| 02/25/2000 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 02/23/1999 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 02/20/1998 |
10-K
| Annual Report for the period ended November 30, 1997 |
| 03/31/1997 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |