| Report Element Information |
| Run date/time: 7/30/2011 9:35:27 AM |
| Report Element Attributes: |
| Prefix: | frm |
| Standard label: | Legal Entity [Axis] |
| Documentation: | The entity to which the reported fact relates. Legal breakdown of an entity as opposed to the business breakdown of an entity. |
| Balance type: | |
| Period type: | |
| Report element type: | [Axis] |
| Data type: | |
| ID: | frm_LegalEntityAxis |
| Name: | frm:LegalEntityAxis |
| Labels of Report Element |
| Role: | Label | Lang |
| (http://www.xbrl.org/2003/role/documentation) | The entity to which the reported fact relates. Legal breakdown of an entity as opposed to the business breakdown of an entity. | en |
| Standard label (http://www.xbrl.org/2003/role/label) | Legal Entity [Axis] | en |