| Date Filed | Type | Description |
| 06/09/2009 |
10-Q
| Quarterly Report for the period ended April 30, 2009 |
| 12/10/2008 |
10-Q
| Quarterly Report for the period ended October 31, 2008 |
| 09/09/2008 |
10-Q
| Quarterly Report for the period ended July 31, 2008 |
| 06/09/2008 |
10-Q
| Quarterly Report for the period ended April 30, 2008 |
| 12/10/2007 |
10-Q
| Quarterly Report for the period ended October 31, 2007 |
| 09/10/2007 |
10-Q
| Quarterly Report for the period ended July 31, 2007 |
| 06/11/2007 |
10-Q
| Quarterly Report for the period ended April 30, 2007 |
| 03/23/2007 |
10-Q
| Quarterly Report for the period ended October 31, 2006 |
| 03/19/2007 |
10-Q
| Quarterly Report for the period ended July 31, 2006 |
| 06/09/2006 |
10-Q
| Quarterly Report for the period ended April 30, 2006 |
| 12/12/2005 |
10-Q
| Quarterly Report for the period ended October 31, 2005 |
| 09/09/2005 |
10-Q
| Quarterly Report for the period ended July 31, 2005 |
| 06/09/2005 |
10-Q
| Quarterly Report for the period ended April 30, 2005 |
| 12/10/2004 |
10-Q
| Quarterly Report for the period ended October 31, 2004 |
| 09/09/2004 |
10-Q
| Quarterly Report for the period ended July 31, 2004 |
| 06/08/2004 |
10-Q
| Quarterly Report for the period ended April 30, 2004 |
| 12/12/2003 |
10-Q
| Quarterly Report for the period ended October 31, 2003 |
| 09/12/2003 |
10-Q
| Quarterly Report for the period ended July 31, 2003 |
| 06/13/2003 |
10-Q
| Quarterly Report for the period ended April 30, 2003 |
| 12/16/2002 |
10-Q
| Quarterly Report for the period ended October 31, 2002 |
| 09/13/2002 |
10-Q
| Quarterly Report for the period ended July 31, 2002 |
| 06/14/2002 |
10-Q
| Quarterly Report for the period ended April 30, 2002 |
| 12/17/2001 |
10-Q
| Quarterly Report for the period ended October 31, 2001 |
| 09/14/2001 |
10-Q
| Quarterly Report for the period ended July 31, 2001 |
| 06/13/2001 |
10-Q
| Quarterly Report for the period ended April 30, 2001 |
| 12/15/2000 |
10-Q
| Quarterly Report for the period ended October 31, 2000 |
| 09/14/2000 |
10-Q
| Quarterly Report for the period ended July 31, 2000 |
| 06/14/2000 |
10-Q
| Quarterly Report for the period ended April 30, 2000 |
| 12/14/1999 |
10-Q
| Quarterly Report for the period ended October 31, 1999 |
| 09/13/1999 |
10-Q
| Quarterly Report for the period ended July 31, 1999 |
| 06/14/1999 |
10-Q
| Quarterly Report for the period ended April 30, 1999 |
| 12/15/1998 |
10-Q
| Quarterly Report for the period ended October 31, 1998 |
| 09/14/1998 |
10-Q
| Quarterly Report for the period ended July 31, 1998 |
| 06/15/1998 |
10-Q
| Quarterly Report for the period ended April 30, 1998 |
|