| Report Element Information |
| Run date/time: 7/16/2011 5:50:53 PM |
| Report Element Attributes: |
| Prefix: | pattern |
| Standard label: | Allowance for Doubtfull Accounts |
| Documentation: | Fusce suscipit pede ut erat. Sed rutrum. |
| Balance type: | Credit |
| Period type: | As of (instant) |
| Report element type: | [Concept] |
| Data type: | Monetary (xbrli:monetaryItemType) |
| ID: | pattern_AllowanceForDoubtfullAccounts |
| Name: | pattern:AllowanceForDoubtfullAccounts |
| Labels of Report Element |
| Role: | Label | Lang |
| (http://www.xbrl.org/2003/role/documentation) | Fusce suscipit pede ut erat. Sed rutrum. | en |
| Period end label (http://www.xbrl.org/2003/role/periodEndLabel) | Land, Ending Balance | en |
| Period start label (http://www.xbrl.org/2003/role/periodStartLabel) | Land, Beginning Balance | en |
| Standard label (http://www.xbrl.org/2003/role/label) | Allowance for Doubtfull Accounts | en |