| Date Filed | Type | Description |
| 04/12/2017 |
10-K/A
| Annual Report for the period ended December 31, 2016 [amend] |
| 02/28/2017 |
10-K
| Annual Report for the period ended December 31, 2016 |
| 02/25/2016 |
10-K
| Annual Report for the period ended December 31, 2015 |
| 02/27/2015 |
10-K
| Annual Report for the period ended December 31, 2014 |
| 02/24/2014 |
10-K
| Annual Report for the period ended December 31, 2013 |
| 02/21/2013 |
10-K
| Annual Report for the period ended December 31, 2012 |
| 02/24/2012 |
10-K
| Annual Report for the period ended December 31, 2011 |
| 02/24/2011 |
10-K
| Annual Report for the period ended December 31, 2010 |
| 02/25/2010 |
10-K
| Annual Report for the period ended December 31, 2009 |
| 02/26/2009 |
10-K
| Annual Report for the period ended December 31, 2008 |
| 05/02/2008 |
10-K/A
| Annual Report for the period ended December 31, 2007 [amend] |
| 02/19/2008 |
10-K
| Annual Report for the period ended December 31, 2007 |
| 02/16/2007 |
10-K
| Annual Report for the period ended December 31, 2006 |
| 03/15/2006 |
10-K
| Annual Report for the period ended December 31, 2005 |
| 03/11/2005 |
10-K
| Annual Report for the period ended December 31, 2004 |
| 03/12/2004 |
10-K
| Annual Report for the period ended December 31, 2003 |
| 03/26/2003 |
10-K
| Annual Report for the period ended December 31, 2002 |
| 05/29/2002 |
10-K/A
| Annual Report for the period ended February 23, 2002 [amend] |
| 05/23/2002 |
10-K
| Annual Report for the period ended February 23, 2002 |
| 05/24/2001 |
10-K
| Annual Report for the period ended February 24, 2001 |
| 05/03/2001 |
10-K/A
| Annual Report for the period ended February 26, 2000 [amend] |
| 05/09/2000 |
10-K
| Annual Report for the period ended February 26, 2000 |
| 05/28/1999 |
10-K
| Annual Report for the period ended February 27, 1999 |
| 12/21/1998 |
10-K/A
| Annual Report for the period ended February 28, 1998 [amend] |
| 06/29/1998 |
10-K/A
| Annual Report for the period ended February 28, 1998 [amend] |
| 05/29/1998 |
10-K
| Annual Report for the period ended February 28, 1998 |
| 05/09/1997 |
10-K
| Annual Report for the period ended February 22, 1997 |
| 05/24/1996 |
10-K
| Annual Report for the period ended February 24, 1996 |
| 07/11/1995 |
10-K/A
| Annual Report for the period ended February 25, 1995 [amend] |