| Date Filed | Type | Description |
| 06/14/2016 |
10-Q
| Quarterly Report for the period ended April 30, 2016 |
| 03/16/2016 |
10-Q
| Quarterly Report for the period ended January 31, 2016 |
| 09/14/2015 |
10-Q
| Quarterly Report for the period ended August 2, 2015 |
| 06/15/2015 |
10-Q
| Quarterly Report for the period ended April 30, 2015 |
| 03/17/2015 |
10-Q
| Quarterly Report for the period ended January 31, 2015 |
| 09/15/2014 |
10-Q
| Quarterly Report for the period ended July 31, 2014 |
| 06/13/2014 |
10-Q
| Quarterly Report for the period ended April 30, 2014 |
| 03/14/2014 |
10-Q
| Quarterly Report for the period ended March 14, 2014 |
| 09/13/2013 |
10-Q
| Quarterly Report for the period ended July 31, 2013 |
| 06/14/2013 |
10-Q
| Quarterly Report for the period ended April 30, 2013 |
| 03/15/2013 |
10-Q
| Quarterly Report for the period ended March 15, 2013 |
| 09/18/2012 |
10-Q/A
| Quarterly Report for the period ended September 18, 2012 [amend] |
| 09/14/2012 |
10-Q
| Quarterly Report for the period ended September 14, 2012 |
| 06/14/2012 |
10-Q
| Quarterly Report for the period ended June 14, 2012 |
| 03/12/2012 |
10-Q
| Quarterly Report for the period ended March 12, 2012 |
| 09/09/2011 |
10-Q
| Quarterly Report for the period ended September 9, 2011 |
| 06/14/2011 |
10-Q
| Quarterly Report for the period ended June 14, 2011 |
| 03/11/2011 |
10-Q
| Quarterly Report for the period ended March 11, 2011 |
| 09/10/2010 |
10-Q
| Quarterly Report for the period ended September 10, 2010 |
| 06/10/2010 |
10-Q
| Quarterly Report for the period ended June 10, 2010 |
| 03/12/2010 |
10-Q
| Quarterly Report for the period ended March 12, 2010 |
| 09/11/2009 |
10-Q
| Quarterly Report for the period ended September 11, 2009 |
| 06/15/2009 |
10-Q
| Quarterly Report for the period ended June 5, 2009 |
| 03/16/2009 |
10-Q
| Quarterly Report for the period ended March 16, 2009 |
| 09/05/2008 |
10-Q
| Quarterly Report for the period ended September 5, 2008 |
| 06/09/2008 |
10-Q
| Quarterly Report for the period ended June 6, 2008 |
| 03/10/2008 |
10-Q
| Quarterly Report for the period ended January 31, 2008 |
| 09/10/2007 |
10-Q
| Quarterly Report for the period ended July 31, 2007 |
| 06/08/2007 |
10-Q
| Quarterly Report for the period ended June 8, 2007 |
| 03/09/2007 |
10-Q
| Quarterly Report for the period ended January 31, 2007 |
| 09/01/2006 |
10-Q
| Quarterly Report for the period ended September 1, 2006 |
| 06/02/2006 |
10-Q
| Quarterly Report for the period ended June 2, 2006 |
| 03/08/2006 |
10-Q
| Quarterly Report for the period ended February 22, 2006 |
| 09/09/2005 |
10-Q
| Quarterly Report for the period ended September 8, 2005 |
|