| Date Filed | Type | Description |
| 06/03/2020 |
10-Q
| Quarterly Report for the period ended April 30, 2020 |
| 12/04/2019 |
10-Q
| Quarterly Report for the period ended October 31, 2019 |
| 09/05/2019 |
10-Q
| Quarterly Report for the period ended July 31, 2019 |
| 06/05/2019 |
10-Q
| Quarterly Report for the period ended April 30, 2019 |
| 12/06/2018 |
10-Q
| Quarterly Report for the period ended October 31, 2018 |
| 09/06/2018 |
10-Q
| Quarterly Report for the period ended July 31, 2018 |
| 06/07/2018 |
10-Q
| Quarterly Report for the period ended April 30, 2018 |
| 11/29/2017 |
10-Q
| Quarterly Report for the period ended October 31, 2017 |
| 09/07/2017 |
10-Q
| Quarterly Report for the period ended July 31, 2017 |
| 06/08/2017 |
10-Q
| Quarterly Report for the period ended April 30, 2017 |
| 11/30/2016 |
10-Q
| Quarterly Report for the period ended October 31, 2016 |
| 08/31/2016 |
10-Q
| Quarterly Report for the period ended July 31, 2016 |
| 06/02/2016 |
10-Q
| Quarterly Report for the period ended April 30, 2016 |
| 12/03/2015 |
10-Q
| Quarterly Report for the period ended October 31, 2015 |
| 09/02/2015 |
10-Q
| Quarterly Report for the period ended July 31, 2015 |
| 06/04/2015 |
10-Q
| Quarterly Report for the period ended April 30, 2015 |
| 12/05/2014 |
10-Q
| Quarterly Report for the period ended October 31, 2014 |
| 09/02/2014 |
10-Q
| Quarterly Report for the period ended July 31, 2014 |
| 06/06/2014 |
10-Q
| Quarterly Report for the period ended April 30, 2014 |
| 02/24/2014 |
10-Q
| Quarterly Report for the period ended October 31, 2013 |
| 02/24/2014 |
10-Q
| Quarterly Report for the period ended July 31, 2013 |
| 02/24/2014 |
10-Q
| Quarterly Report for the period ended April 30, 2013 |
| 11/28/2012 |
10-Q
| Quarterly Report for the period ended October 31, 2012 |
| 08/28/2012 |
10-Q
| Quarterly Report for the period ended May 31, 2012 |
| 05/30/2012 |
10-Q
| Quarterly Report for the period ended April 30, 2012 |
| 12/01/2011 |
10-Q
| Quarterly Report for the period ended October 31, 2011 |
| 08/31/2011 |
10-Q
| Quarterly Report for the period ended July 31, 2011 |
| 06/01/2011 |
10-Q
| Quarterly Report for the period ended April 30, 2011 |
| 12/01/2010 |
10-Q
| Quarterly Report for the period ended October 31, 2010 |
| 09/01/2010 |
10-Q
| Quarterly Report for the period ended July 31, 2010 |
| 06/02/2010 |
10-Q
| Quarterly Report for the period ended April 30, 2010 |
| 12/01/2009 |
10-Q
| Quarterly Report for the period ended October 31, 2009 |
| 09/01/2009 |
10-Q
| Quarterly Report for the period ended July 31, 2009 |
| 06/09/2009 |
10-Q
| Quarterly Report for the period ended April 30, 2009 |
|