| Date Filed | Type | Description |
| 12/10/2009 |
10-Q
| Quarterly Report for the period ended October 31, 2009 |
| 06/05/2009 |
10-Q
| Quarterly Report for the period ended April 30, 2009 |
| 03/06/2009 |
10-Q
| Quarterly Report for the period ended January 31, 2009 |
| 12/04/2008 |
10-Q
| Quarterly Report for the period ended October 31, 2008 |
| 06/06/2008 |
10-Q
| Quarterly Report for the period ended April 30, 2008 |
| 03/06/2008 |
10-Q
| Quarterly Report for the period ended January 31, 2008 |
| 12/06/2007 |
10-Q
| Quarterly Report for the period ended October 31, 2007 |
| 06/07/2007 |
10-Q
| Quarterly Report for the period ended April 30, 2007 |
| 03/08/2007 |
10-Q
| Quarterly Report for the period ended January 31, 2007 |
| 12/07/2006 |
10-Q
| Quarterly Report for the period ended October 31, 2006 |
| 06/08/2006 |
10-Q
| Quarterly Report for the period ended April 30, 2006 |
| 03/10/2006 |
10-Q
| Quarterly Report for the period ended January 31, 2006 |
| 12/08/2005 |
10-Q
| Quarterly Report for the period ended October 31, 2005 |
| 06/08/2005 |
10-Q
| Quarterly Report for the period ended April 30, 2005 |
| 03/09/2005 |
10-Q
| Quarterly Report for the period ended January 31, 2005 |
| 12/09/2004 |
10-Q
| Quarterly Report for the period ended October 31, 2004 |
| 06/08/2004 |
10-Q
| Quarterly Report for the period ended April 30, 2004 |
| 03/10/2004 |
10-Q
| Quarterly Report for the period ended January 31, 2004 |
| 12/08/2003 |
10-Q
| Quarterly Report for the period ended October 31, 2003 |
| 06/11/2003 |
10-Q
| Quarterly Report for the period ended April 30, 2003 |
| 03/13/2003 |
10-Q
| Quarterly Report for the period ended January 31, 2003 |
| 12/09/2002 |
10-Q
| Quarterly Report for the period ended October 31, 2002 |
| 06/13/2002 |
10-Q
| Quarterly Report for the period ended April 30, 2002 |
| 03/13/2002 |
10-Q
| Quarterly Report for the period ended January 31, 2002 |
| 12/10/2001 |
10-Q
| Quarterly Report for the period ended October 31, 2001 |
| 06/14/2001 |
10-Q
| Quarterly Report for the period ended April 30, 2001 |
| 03/09/2001 |
10-Q
| Quarterly Report for the period ended January 31, 2001 |
| 12/11/2000 |
10-Q
| Quarterly Report for the period ended October 31, 2000 |
| 06/12/2000 |
10-Q
| Quarterly Report for the period ended April 30, 2000 |
| 03/15/2000 |
10-Q
| Quarterly Report for the period ended January 31, 2000 |
| 12/10/1999 |
10-Q
| Quarterly Report for the period ended October 31, 1999 |
| 06/11/1999 |
10-Q
| Quarterly Report for the period ended April 30, 1999 |
| 03/15/1999 |
10-Q
| Quarterly Report for the period ended January 31, 1999 |
| 12/07/1998 |
10-Q
| Quarterly Report for the period ended October 31, 1998 |
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