| Report Element Information |
| Run date/time: 7/16/2011 9:23:30 AM |
| Report Element Attributes: |
| Prefix: | pattern |
| Standard label: | Income Tax Expense (Benefit), Total |
| Documentation: | Fusce gravida, ligula a placerat placerat, leo erat euismod lectus, et lacinia justo libero non pede. |
| Balance type: | Debit |
| Period type: | For Period (duration) |
| Report element type: | [Concept] |
| Data type: | Monetary (xbrli:monetaryItemType) |
| ID: | pattern_IncomeTaxExpenseBenefit |
| Name: | pattern:IncomeTaxExpenseBenefit |
| Labels of Report Element |
| Role: | Label | Lang |
| (http://www.xbrl.org/2003/role/documentation) | Fusce gravida, ligula a placerat placerat, leo erat euismod lectus, et lacinia justo libero non pede. | en |
| Standard label (http://www.xbrl.org/2003/role/label) | Income Tax Expense (Benefit) | en |
| Total label (http://www.xbrl.org/2003/role/totalLabel) | Income Tax Expense (Benefit), Total | en |