| Date Filed | Type | Description |
| 05/21/2015 |
10-Q
| Quarterly Report for the period ended April 30, 2015 |
| 02/25/2015 |
10-Q
| Quarterly Report for the period ended January 31, 2015 |
| 12/02/2014 |
10-Q
| Quarterly Report for the period ended October 31, 2014 |
| 06/02/2014 |
10-Q
| Quarterly Report for the period ended April 30, 2014 |
| 03/03/2014 |
10-Q
| Quarterly Report for the period ended January 31, 2014 |
| 12/03/2013 |
10-Q
| Quarterly Report for the period ended October 31, 2013 |
| 06/05/2013 |
10-Q
| Quarterly Report for the period ended April 30, 2013 |
| 03/06/2013 |
10-Q
| Quarterly Report for the period ended January 31, 2013 |
| 12/07/2012 |
10-Q
| Quarterly Report for the period ended October 31, 2012 |
| 06/11/2012 |
10-Q
| Quarterly Report for the period ended April 30, 2012 |
| 03/09/2012 |
10-Q
| Quarterly Report for the period ended January 31, 2012 |
| 12/09/2011 |
10-Q
| Quarterly Report for the period ended October 31, 2011 |
| 06/09/2011 |
10-Q
| Quarterly Report for the period ended April 30, 2011 |
| 03/14/2011 |
10-Q
| Quarterly Report for the period ended January 31, 2011 |
| 12/10/2010 |
10-Q
| Quarterly Report for the period ended October 31, 2010 |
| 06/09/2010 |
10-Q
| Quarterly Report for the period ended April 30, 2010 |
| 03/12/2010 |
10-Q
| Quarterly Report for the period ended January 31, 2010 |
| 12/10/2009 |
10-Q
| Quarterly Report for the period ended October 31, 2009 |
| 06/09/2009 |
10-Q
| Quarterly Report for the period ended April 30, 2009 |
| 03/12/2009 |
10-Q
| Quarterly Report for the period ended January 31, 2009 |
| 12/09/2008 |
10-Q
| Quarterly Report for the period ended October 31, 2008 |
| 06/09/2008 |
10-Q
| Quarterly Report for the period ended April 30, 2008 |
| 03/28/2008 |
10-Q
| Quarterly Report for the period ended January 31, 2008 |
| 03/28/2008 |
10-Q
| Quarterly Report for the period ended October 31, 2007 |
| 06/08/2007 |
10-Q
| Quarterly Report for the period ended April 30, 2007 |
| 03/09/2007 |
10-Q
| Quarterly Report for the period ended January 31, 2007 |
| 12/11/2006 |
10-Q
| Quarterly Report for the period ended October 31, 2006 |
| 06/09/2006 |
10-Q
| Quarterly Report for the period ended April 30, 2006 |
| 03/13/2006 |
10-Q
| Quarterly Report for the period ended January 31, 2006 |
| 12/12/2005 |
10-Q
| Quarterly Report for the period ended October 31, 2005 |
| 06/09/2005 |
10-Q
| Quarterly Report for the period ended April 30, 2005 |
| 03/14/2005 |
10-Q
| Quarterly Report for the period ended January 31, 2005 |
| 12/10/2004 |
10-Q
| Quarterly Report for the period ended October 31, 2004 |
| 06/14/2004 |
10-Q
| Quarterly Report for the period ended April 30, 2004 |
|