| Date Filed | Type | Description |
| 08/18/2023 |
10-K/A
| Annual Report for the period ended April 30, 2023 [amend] |
| 06/28/2022 |
10-K
| Annual Report for the period ended April 30, 2022 |
| 06/29/2021 |
10-K
| Annual Report for the period ended April 30, 2021 |
| 06/23/2020 |
10-K
| Annual Report for the period ended April 30, 2020 |
| 06/25/2019 |
10-K
| Annual Report for the period ended April 30, 2019 |
| 06/26/2018 |
10-K
| Annual Report for the period ended April 30, 2018 |
| 06/27/2017 |
10-K
| Annual Report for the period ended April 30, 2017 |
| 06/28/2016 |
10-K
| Annual Report for the period ended April 30, 2016 |
| 06/30/2015 |
10-K
| Annual Report for the period ended April 30, 2015 |
| 07/08/2014 |
10-K
| Annual Report for the period ended April 30, 2014 |
| 08/27/2013 |
10-K/A
| Annual Report for the period ended April 30, 2013 [amend] |
| 06/25/2013 |
10-K
| Annual Report for the period ended April 30, 2013 |
| 06/26/2012 |
10-K
| Annual Report for the period ended April 30, 2012 |
| 06/21/2011 |
10-K
| Annual Report for the period ended April 30, 2011 |
| 06/24/2010 |
10-K
| Annual Report for the period ended April 30, 2010 |
| 06/23/2009 |
10-K
| Annual Report for the period ended April 30, 2009 |
| 06/26/2008 |
10-K
| Annual Report for the period ended April 30, 2008 |
| 06/26/2008 |
AR
| 2008 Annual Report- Layout View |
| 06/26/2008 |
AR
| 2008 Annual Report- Print View |
| 06/29/2007 |
10-K
| Annual Report for the period ended April 30, 2007 |