| Report Element Information |
| Run date/time: 7/16/2011 9:23:30 AM |
| Report Element Attributes: |
| Prefix: | pattern |
| Standard label: | Income Tax Expense (Benefit), Current [Roll Up] |
| Documentation: | Pellentesque habitant morbi tristique senectus et netus et malesuada fames ac turpis egestas. Fusce suscipit pede ut erat. Sed rutrum. |
| Balance type: | |
| Period type: | For Period (duration) |
| Report element type: | [Concept (Abstract)] |
| Data type: | Text/String (xbrli:stringItemType) |
| ID: | pattern_IncomeTaxExpenseBenefitCurrentRollUp |
| Name: | pattern:IncomeTaxExpenseBenefitCurrentRollUp |
| Labels of Report Element |
| Role: | Label | Lang |
| (http://www.xbrl.org/2003/role/documentation) | Pellentesque habitant morbi tristique senectus et netus et malesuada fames ac turpis egestas. Fusce suscipit pede ut erat. Sed rutrum. | en |
| Standard label (http://www.xbrl.org/2003/role/label) | Income Tax Expense (Benefit), Current [Roll Up] | en |