| Date Filed | Type | Description |
| 10/31/2022 |
10-K
| Annual Report for the period ended July 31, 2022 |
| 10/29/2021 |
10-K
| Annual Report for the period ended July 31, 2021 |
| 11/30/2020 |
10-K/A
| Annual Report for the period ended July 31, 2020 [amend] |
| 10/28/2020 |
10-K
| Annual Report for the period ended July 31, 2020 |
| 11/27/2019 |
10-K/A
| Annual Report for the period ended July 31, 2019 [amend] |
| 10/25/2019 |
10-K
| Annual Report for the period ended July 31, 2019 |
| 10/19/2018 |
10-K
| Annual Report for the period ended July 31, 2018 |
| 11/28/2017 |
10-K/A
| Annual Report for the period ended July 31, 2017 [amend] |
| 10/25/2017 |
10-K
| Annual Report for the period ended July 31, 2017 |
| 10/13/2016 |
10-K
| Annual Report for the period ended July 31, 2016 |
| 10/14/2015 |
10-K
| Annual Report for the period ended July 31, 2015 |
| 10/10/2014 |
10-K
| Annual Report for the period ended July 31, 2014 |
| 09/27/2013 |
10-K
| Annual Report for the period ended July 31, 2013 |
| 10/12/2012 |
10-K
| Annual Report for the period ended July 31, 2012 |
| 10/25/2011 |
10-K/A
| Annual Report for the period ended July 31, 2011 [amend] |
| 10/19/2011 |
10-K
| Annual Report for the period ended July 31, 2011 |
| 11/15/2010 |
10-K
| Annual Report for the period ended July 31, 2010 |
| 04/21/2010 |
10-K/A
| Annual Report for the period ended July 31, 2009 [amend] |
| 11/13/2009 |
10-K
| Annual Report for the period ended July 31, 2009 |