| Report Element Information |
| Run date/time: 6/5/2011 7:34:42 AM |
| Report Element Attributes: |
| Report element from taxonomy prefix: | us-gaap |
| US GAAP taxonomy standard label: | us-gaap: Segment, Geographical [Domain] |
| Filer taxonomy standard label: | Geographic Areas, All [Domain] |
| Documentation: | The name of a geographic segment representing facts about a reporting entity disaggregated by the geographic area of the entities activities. This element may be used to identify operations in an individual country or group of countries depending on materiality. If a Geographical segment is an individual country use the countries defined in the Country Domain (Domain -2000) to identify the country segment. |
| Balance type: | |
| Period type: | For Period (duration) |
| Report element type: | [Domain] |
| Data type: | [Member] (nonnum:domainItemType) |
| ID: | us-gaap_SegmentGeographicalDomain |
| Name: | us-gaap:SegmentGeographicalDomain |
| Labels of Report Element: (Labels from filer taxonomy, does not include other labels) |
| Role: | Label | Lang |
| Standard label (http://www.xbrl.org/2003/role/label) | Geographic Areas, All [Domain] | en-US |
| References of Report Element, FASB Accounting Standards Codification: |
| Publisher, Name: | Topic | Sub Topic | Glossary | URI |
| FASB, Accounting Standards Codification | 280 | 10 | http://asc.fasb.org/extlink&oid=6534315&loc=d3e9038-108599 |
| References of Report Element, SEC Regulation S-X (SX): |
| Publisher, Name: | Number | Section | Paragraph | Subparagraph | Article |
| References of Report Element, US GAAP Legacy: |
| Publisher: | Name | Number | Chapter | Section | Paragraph | Subparagraph | Article | Clause | Appendix |
| FASB | Statement of Financial Accounting Standard (FAS) | 131 | 38 |