| Date Filed | Type | Description |
| 05/27/2022 |
10-Q
| Quarterly Report for the period ended April 30, 2022 |
| 02/24/2022 |
10-Q
| Quarterly Report for the period ended January 31, 2022 |
| 08/26/2021 |
10-Q
| Quarterly Report for the period ended July 31, 2021 |
| 05/27/2021 |
10-Q
| Quarterly Report for the period ended April 30, 2021 |
| 02/25/2021 |
10-Q
| Quarterly Report for the period ended January 31, 2021 |
| 08/27/2020 |
10-Q
| Quarterly Report for the period ended July 31, 2020 |
| 05/28/2020 |
10-Q
| Quarterly Report for the period ended April 30, 2020 |
| 02/27/2020 |
10-Q
| Quarterly Report for the period ended January 31, 2020 |
| 08/29/2019 |
10-Q
| Quarterly Report for the period ended July 31, 2019 |
| 05/30/2019 |
10-Q
| Quarterly Report for the period ended April 30, 2019 |
| 02/26/2019 |
10-Q
| Quarterly Report for the period ended January 31, 2019 |
| 08/23/2018 |
10-Q
| Quarterly Report for the period ended July 31, 2018 |
| 05/24/2018 |
10-Q
| Quarterly Report for the period ended April 30, 2018 |
| 02/21/2018 |
10-Q
| Quarterly Report for the period ended January 31, 2018 |
| 08/24/2017 |
10-Q
| Quarterly Report for the period ended July 31, 2017 |
| 05/25/2017 |
10-Q
| Quarterly Report for the period ended April 30, 2017 |
| 02/23/2017 |
10-Q
| Quarterly Report for the period ended January 31, 2017 |
| 08/25/2016 |
10-Q
| Quarterly Report for the period ended July 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 |
| 08/25/2015 |
10-Q
| Quarterly Report for the period ended July 31, 2015 |
| 05/28/2015 |
10-Q
| Quarterly Report for the period ended April 30, 2015 |
| 02/24/2015 |
10-Q
| Quarterly Report for the period ended January 31, 2015 |
| 08/26/2014 |
10-Q
| Quarterly Report for the period ended July 31, 2014 |
| 05/29/2014 |
10-Q
| Quarterly Report for the period ended April 30, 2014 |
| 02/25/2014 |
10-Q
| Quarterly Report for the period ended January 31, 2014 |
| 08/27/2013 |
10-Q
| Quarterly Report for the period ended July 31, 2013 |
| 05/30/2013 |
10-Q
| Quarterly Report for the period ended April 30, 2013 |
| 02/21/2013 |
10-Q
| Quarterly Report for the period ended January 31, 2013 |
| 08/28/2012 |
10-Q
| Quarterly Report for the period ended July 31, 2012 |
| 05/29/2012 |
10-Q
| Quarterly Report for the period ended April 30, 2012 |
| 02/28/2012 |
10-Q
| Quarterly Report for the period ended January 23, 2012 |
| 08/25/2011 |
10-Q
| Quarterly Report for the period ended July 31, 2011 |
| 05/24/2011 |
10-Q
| Quarterly Report for the period ended April 30, 2011 |
|