| Report Element Information |
| Run date/time: 7/21/2011 9:02:17 AM |
| Report Element Attributes: |
| Prefix: | pattern |
| Standard label: | Leasehold Land and Buildings, Tenure Start Date |
| Documentation: | None provided |
| Balance type: | |
| Period type: | For Period (duration) |
| Report element type: | [Concept] |
| Data type: | Date (xbrli:dateItemType) |
| ID: | pattern_LeaseholdLandAndBuildingsTenureStartDate |
| Name: | pattern:LeaseholdLandAndBuildingsTenureStartDate |
| Labels of Report Element |
| Role: | Label | Lang |
| (http://www.xbrl.org/2003/role/documentation) | Nunc in elit non metus viverra sollicitudin. | en |
| Standard label (http://www.xbrl.org/2003/role/label) | Leasehold Land and Buildings, Tenure Start Date | en |