| Date Filed | Type | Description |
| 06/02/2011 |
10-Q/A
| Quarterly Report for the period ended January 31, 2011 [amend] |
| 06/02/2011 |
10-Q/A
| Quarterly Report for the period ended October 31, 2010 [amend] |
| 06/02/2011 |
10-Q/A
| Quarterly Report for the period ended July 31, 2010 [amend] |
| 03/17/2011 |
10-Q
| Quarterly Report for the period ended January 31, 2011 |
| 12/15/2010 |
10-Q
| Quarterly Report for the period ended October 31, 2010 |
| 09/14/2010 |
10-Q
| Quarterly Report for the period ended July 31, 2010 |
| 03/17/2010 |
10-Q
| Quarterly Report for the period ended January 31, 2010 |
| 12/15/2009 |
10-Q
| Quarterly Report for the period ended October 31, 2009 |
| 09/14/2009 |
10-Q
| Quarterly Report for the period ended July 31, 2009 |
| 03/17/2009 |
10-Q
| Quarterly Report for the period ended January 31, 2009 |
| 12/15/2008 |
10-Q
| Quarterly Report for the period ended October 31, 2008 |
| 09/15/2008 |
10-Q
| Quarterly Report for the period ended July 31, 2008 |
| 03/17/2008 |
10-Q
| Quarterly Report for the period ended January 31, 2008 |
| 12/17/2007 |
10-Q
| Quarterly Report for the period ended October 31, 2007 |
| 09/14/2007 |
10-Q
| Quarterly Report for the period ended July 31, 2007 |
| 03/19/2007 |
10-Q
| Quarterly Report for the period ended January 31, 2007 |
| 03/14/2007 |
10-Q/A
| Quarterly Report for the period ended October 31, 2006 [amend] |
| 12/15/2006 |
10-Q
| Quarterly Report for the period ended October 31, 2006 |
| 09/14/2006 |
10-Q
| Quarterly Report for the period ended July 31, 2006 |
| 03/15/2006 |
10-Q
| Quarterly Report for the period ended January 31, 2006 |
| 12/15/2005 |
10-Q
| Quarterly Report for the period ended October 31, 2005 |
| 09/14/2005 |
10-Q
| Quarterly Report for the period ended July 31, 2005 |
| 03/17/2005 |
10-Q
| Quarterly Report for the period ended January 31, 2005 |
| 12/15/2004 |
10-Q
| Quarterly Report for the period ended October 31, 2004 |
| 09/14/2004 |
10-Q
| Quarterly Report for the period ended July 31, 2004 |
| 03/16/2004 |
10-Q
| Quarterly Report for the period ended January 31, 2004 |
| 12/15/2003 |
10-Q
| Quarterly Report for the period ended October 31, 2003 |
| 09/15/2003 |
10-Q
| Quarterly Report for the period ended July 31, 2003 |
| 03/17/2003 |
10-Q
| Quarterly Report for the period ended January 31, 2003 |
| 12/13/2002 |
10-Q
| Quarterly Report for the period ended October 31, 2002 |
| 09/16/2002 |
10-Q
| Quarterly Report for the period ended July 31, 2002 |
| 03/06/2002 |
10-Q
| Quarterly Report for the period ended January 31, 2002 |
| 12/13/2001 |
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 |
|