| Date Filed | Type | Description |
| 05/23/2023 |
10-Q
| Quarterly Report for the period ended April 30, 2023 |
| 02/21/2023 |
10-Q
| Quarterly Report for the period ended January 31, 2023 |
| 11/17/2022 |
10-Q
| Quarterly Report for the period ended October 31, 2022 |
| 05/19/2022 |
10-Q
| Quarterly Report for the period ended April 30, 2022 |
| 02/22/2022 |
10-Q
| Quarterly Report for the period ended January 31, 2022 |
| 05/20/2021 |
10-Q
| Quarterly Report for the period ended April 30, 2021 |
| 02/22/2021 |
10-Q
| Quarterly Report for the period ended January 31, 2021 |
| 11/19/2020 |
10-Q
| Quarterly Report for the period ended October 31, 2020 |
| 05/21/2020 |
10-Q
| Quarterly Report for the period ended April 30, 2020 |
| 02/24/2020 |
10-Q
| Quarterly Report for the period ended January 31, 2020 |
| 02/26/2019 |
10-Q
| Quarterly Report for the period ended January 31, 2019 |
| 11/30/2018 |
10-Q
| Quarterly Report for the period ended October 31, 2018 |
| 06/04/2018 |
10-Q
| Quarterly Report for the period ended April 30, 2018 |
| 02/26/2018 |
10-Q
| Quarterly Report for the period ended January 31, 2018 |
| 11/20/2017 |
10-Q
| Quarterly Report for the period ended October 31, 2017 |
| 05/31/2017 |
10-Q
| Quarterly Report for the period ended April 30, 2017 |
| 02/28/2017 |
10-Q
| Quarterly Report for the period ended January 31, 2017 |
| 11/21/2016 |
10-Q
| Quarterly Report for the period ended October 31, 2016 |
| 05/26/2016 |
10-Q
| Quarterly Report for the period ended April 30, 2016 |
| 02/25/2016 |
10-Q
| Quarterly Report for the period ended January 31, 2016 |
| 11/23/2015 |
10-Q
| Quarterly Report for the period ended October 31, 2015 |
| 05/27/2015 |
10-Q
| Quarterly Report for the period ended April 30, 2015 |
| 03/02/2015 |
10-Q
| Quarterly Report for the period ended January 31, 2015 |
| 11/24/2014 |
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 |
| 02/24/2014 |
10-Q
| Quarterly Report for the period ended January 31, 2014 |
| 12/04/2013 |
10-Q
| Quarterly Report for the period ended October 31, 2013 |
| 06/03/2013 |
10-Q
| Quarterly Report for the period ended April 30, 2013 |
| 03/05/2013 |
10-Q/A
| Quarterly Report for the period ended January 31, 2013 [amend] |
| 03/04/2013 |
10-Q
| Quarterly Report for the period ended January 31, 2013 |
| 12/10/2012 |
10-Q
| Quarterly Report for the period ended October 31, 2012 |