| Date Filed | Type | Description |
| 03/18/2013 |
10-K
| Annual Report for the period ended December 31, 2012 |
| 03/01/2012 |
10-K
| Annual Report for the period ended December 31, 2011 |
| 03/04/2011 |
10-K
| Annual Report for the period ended December 31, 2010 |
| 03/12/2010 |
10-K
| Annual Report for the period ended December 31, 2009 |
| 04/30/2009 |
10-K/A
| Annual Report for the period ended December 31, 2008 [amend] |
| 03/27/2009 |
10-K
| Annual Report for the period ended December 31, 2008 |
| 03/13/2008 |
10-K
| Annual Report for the period ended December 31, 2007 |
| 03/13/2008 |
AR
| 2007 Annual Report |
| 03/15/2007 |
10-K
| Annual Report for the period ended December 31, 2006 |
| 03/15/2007 |
AR
| 2006 Annual Report |
| 03/16/2006 |
10-K
| Annual Report for the period ended December 31, 2005 |
| 03/16/2006 |
AR
| 2005 Annual Report |
| 05/09/2005 |
10-K/A
| Annual Report for the period ended December 31, 2004 [amend] |
| 03/16/2005 |
10-K
| Annual Report for the period ended December 31, 2004 |
| 03/16/2005 |
AR
| 2004 Annual Report |
| 03/16/2005 |
AR
| 2004 Dex Annual Report |
| 03/12/2004 |
10-K
| Annual Report for the period ended December 31, 2003 |
| 03/12/2004 |
AR
| 2003 Annual Report |
| 03/20/2003 |
10-K
| Annual Report for the period ended December 31, 2002 |
| 03/20/2003 |
AR
| 2002 Annual Report |
| 03/27/2002 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 03/28/2001 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 03/27/2000 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 08/12/1999 |
10-K405/A
| Form 10-K405/A - Annual report [Sections 13 and 15(d), S-K Item 405] [Amend] |
| 03/30/1999 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 06/30/1998 |
10-K/A
| Annual Report for the period ended December 31, 1997 [amend] |
| 06/29/1998 |
10-K/A
| Annual Report for the period ended December 31, 1997 [amend] |
| 03/20/1998 |
10-K
| Annual Report for the period ended December 31, 1997 |
| 06/30/1997 |
10-K/A
| Annual Report for the period ended June 26, 1997 [amend] |
| 04/03/1997 |
10-K/A
| Annual Report for the period ended December 31, 1996 [amend] |
| 03/27/1997 |
10-K
| Annual Report for the period ended December 31, 1996 |
| 10/25/1996 |
10-K/A
| Annual Report for the period ended December 31, 1995 [amend] |
| 06/27/1996 |
10-K/A
| Annual Report for the period ended June 17, 1996 [amend] |
| 03/27/1996 |
10-K
| Annual Report for the period ended December 31, 1995 |
|