| Date Filed | Type | Description |
| 06/20/2013 |
DEFA14A
| Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material: |
| 04/29/2013 |
DEF 14A
| Form DEF 14A - Other definitive proxy statements |
| 04/25/2012 |
DEF 14A
| Form DEF 14A - Other definitive proxy statements |
| 04/21/2011 |
DEFA14A
| Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material |
| 04/21/2011 |
DEF 14A
| Form DEF 14A - Other definitive proxy statements |
| 04/21/2010 |
DEFA14A
| Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material |
| 04/21/2010 |
DEF 14A
| Form DEF 14A - Other definitive proxy statements |
| 04/16/2009 |
DEFA14A
| Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material |
| 04/16/2009 |
DEF 14A
| Form DEF 14A - Other definitive proxy statements |
| 04/22/2008 |
DEF 14A
| Form DEF 14A - Other definitive proxy statements |
| 04/23/2007 |
DEF 14A
| Form DEF 14A - Other definitive proxy statements |
| 04/03/2006 |
DEF 14A
| Form DEF 14A - Other definitive proxy statements |
| 06/29/2005 |
DEFA14A
| Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material |
| 06/06/2005 |
DEFA14A
| Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material |
| 05/09/2005 |
DEF 14A
| Form DEF 14A - Other definitive proxy statements |
| 04/30/2004 |
DEF 14A
| Form DEF 14A - Other definitive proxy statements |
| 04/22/2003 |
DEF 14A
| Form DEF 14A - Other definitive proxy statements |
| 04/25/2002 |
DEF 14A
| Form DEF 14A - Other definitive proxy statements |
| 05/04/2001 |
DEF 14A
| Form DEF 14A - Other definitive proxy statements |
| 04/27/2000 |
DEF 14A
| Form DEF 14A - Other definitive proxy statements |
| 08/09/1999 |
DEF 14A
| Form DEF 14A - Other definitive proxy statements |
| 04/14/1998 |
DEF 14A
| Form DEF 14A - Other definitive proxy statements |
| 04/14/1997 |
DEF 14A
| Form DEF 14A - Other definitive proxy statements |
| 04/11/1996 |
DEF 14A
| Form DEF 14A - Other definitive proxy statements |