| 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 |
| 04/14/2020 |
10-K
| Annual Report for the period ended January 31, 2020 |
| 03/26/2019 |
10-K
| Annual Report for the period ended January 31, 2019 |
| 04/05/2018 |
10-K
| Annual Report for the period ended January 31, 2018 |
| 04/04/2017 |
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 |
| 03/31/2015 |
10-K
| Annual Report for the period ended January 31, 2015 |
| 03/27/2014 |
10-K
| Annual Report for the period ended January 31, 2014 |
| 04/04/2013 |
10-K
| Annual Report for the period ended January 31, 2013 |
| 04/11/2012 |
10-K
| Annual Report for the period ended January 31, 2012 |
| 04/01/2011 |
10-K
| Annual Report for the period ended January 31, 2011 |
| 04/12/2010 |
10-K/A
| Annual Report for the period ended January 31, 2010 [amend] |
| 03/25/2010 |
10-K
| Annual Report for the period ended January 31, 2010 |
| 03/26/2009 |
10-K
| Annual Report for the period ended January 31, 2009 |
| 03/27/2008 |
10-K
| Annual Report for the period ended January 31, 2008 |
| 03/29/2007 |
10-K
| Annual Report for the period ended January 31, 2007 |
| 09/15/2006 |
10-K/A
| Annual Report for the period ended January 31, 2006 [amend] |
| 03/30/2006 |
10-K
| Annual Report for the period ended January 31, 2006 |
| 04/05/2005 |
10-K
| Annual Report for the period ended January 31, 2005 |
| 04/16/2004 |
10-K
| Annual Report for the period ended January 31, 2004 |