| Date Filed | Type | Description |
| 04/29/2021 |
10-K/A
| Annual Report for the period ended December 31, 2020 [amend] |
| 02/26/2021 |
10-K
| Annual Report for the period ended December 31, 2020 |
| 02/28/2020 |
10-K
| Annual Report for the period ended December 31, 2019 |
| 02/28/2019 |
10-K
| Annual Report for the period ended December 31, 2018 |
| 03/01/2018 |
10-K
| Annual Report for the period ended December 31, 2017 |
| 02/24/2017 |
10-K
| Annual Report for the period ended December 31, 2016 |
| 02/29/2016 |
10-K
| Annual Report for the period ended December 31, 2015 |
| 02/26/2015 |
10-K
| Annual Report for the period ended December 31, 2014 |
| 03/03/2014 |
10-K
| Annual Report for the period ended December 31, 2013 |
| 02/28/2013 |
10-K
| Annual Report for the period ended December 31, 2012 |
| 02/28/2012 |
10-K
| Annual Report for the period ended December 31, 2011 |
| 02/25/2011 |
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 |
| 02/27/2009 |
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 |
| 02/28/2007 |
10-K
| Annual Report for the period ended December 31, 2006 |
| 03/08/2006 |
10-K
| Annual Report for the period ended December 31, 2005 |
| 03/03/2005 |
10-K
| Annual Report for the period ended December 31, 2004 |
| 03/30/2004 |
10-K
| Annual Report for the period ended December 31, 2003 |
| 03/30/2004 |
AR
| 2003 Annual Report |
| 08/12/2003 |
10-K
| Annual Report for the period ended December 31, 2002 |
| 08/12/2003 |
AR
| 2002 Annual Report |
| 01/22/2003 |
10-K/A
| Annual Report for the period ended September 30, 2002 [amend] |
| 01/14/2003 |
10-K
| Annual Report for the period ended September 30, 2002 |
| 04/01/2002 |
10-K/A
| Annual Report for the period ended September 30, 2001 [amend] |
| 12/31/2001 |
10-K
| Annual Report for the period ended September 30, 2001 |
| 12/31/2001 |
AR
| 2001 Annual Report |
| 03/27/2001 |
10-K/A
| Annual Report for the period ended September 30, 2000 [amend] |
| 12/26/2000 |
10-K
| Annual Report for the period ended September 30, 2000 |
| 12/26/2000 |
AR
| 2000 Annual Report |
| 03/30/2000 |
10-K/A
| Annual Report for the period ended September 30, 1999 [amend] |
| 12/27/1999 |
10-K
| Annual Report for the period ended September 30, 1999 |
| 03/30/1999 |
10-K405/A
| Form 10-K405/A - Annual report [Sections 13 and 15(d), S-K Item 405] [Amend] |
| 12/29/1998 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
|