| Date Filed | Type | Description |
| 03/29/2023 |
10-K
| Annual Report for the period ended January 31, 2023 |
| 03/29/2022 |
10-K
| Annual Report for the period ended January 31, 2022 |
| 03/31/2021 |
10-K
| Annual Report for the period ended January 31, 2021 |
| 03/31/2020 |
10-K
| Annual Report for the period ended January 31, 2020 |
| 03/27/2019 |
10-K
| Annual Report for the period ended January 31, 2019 |
| 03/28/2018 |
10-K
| Annual Report for the period ended January 31, 2018 |
| 03/28/2017 |
10-K
| Annual Report for the period ended January 31, 2017 |
| 03/29/2016 |
10-K
| Annual Report for the period ended January 31, 2016 |
| 03/27/2015 |
10-K
| Annual Report for the period ended January 31, 2015 |
| 03/31/2014 |
10-K
| Annual Report for the period ended January 31, 2014 |
| 03/27/2013 |
10-K
| Annual Report for the period ended January 31, 2013 |
| 04/02/2012 |
10-K
| Annual Report for the period ended January 31, 2012 |
| 04/05/2011 |
10-K
| Annual Report for the period ended January 31, 2011 |
| 06/18/2010 |
10-K/A
| Annual Report for the period ended January 31, 2010 [amend] |
| 05/18/2010 |
10-K
| Annual Report for the period ended January 31, 2010 |
| 04/08/2010 |
10-K
| Annual Report for the period ended January 31, 2009 |
| 03/16/2010 |
10-K
| Annual Report for the period ended January 31, 2008 |
| 04/25/2005 |
10-K/A
| Annual Report for the period ended January 31, 2005 [amend] |
| 04/18/2005 |
10-K
| Annual Report for the period ended January 31, 2005 |
| 04/15/2004 |
10-K
| Annual Report for the period ended January 31, 2004 |
| 05/01/2003 |
10-K
| Annual Report for the period ended January 31, 2003 |