| Report Element Information |
| Run date/time: 6/5/2011 7:34:41 AM |
| Report Element Attributes: |
| Report element from taxonomy prefix: | us-gaap |
| US GAAP taxonomy standard label: | us-gaap: Net Cash Provided by (Used in) Investing Activities, Continuing Operations |
| Filer taxonomy standard label: | Net cash flow provided by investing activities |
| Documentation: | The net cash from (used in) the entity's investing activities specifically EXCLUDING the cash flows derived by the entity from its discontinued operations, if any. This element is only to be used when the entity reports its cash flows attributable to discontinued operations separately from the cash flow provided by or used in investing activities. Such reporting would necessitate the entity to use the Net Cash provided by or used in Discontinued Operations, Total element provided in the taxonomy. |
| Balance type: | Debit |
| Period type: | For Period (duration) |
| Report element type: | [Concept] |
| Data type: | Monetary (xbrli:monetaryItemType) |
| ID: | us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations |
| Name: | us-gaap:NetCashProvidedByUsedInInvestingActivitiesContinuingOperations |
| 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) | Net cash flow provided by investing activities | en-US |
| Total label (http://www.xbrl.org/2003/role/totalLabel) | Net cash flow provided by investing activities | en-US |
| References of Report Element, FASB Accounting Standards Codification: |
| Publisher, Name: | Topic | Sub Topic | Glossary | URI |
| FASB, Accounting Standards Codification | 230 | 10 | http://asc.fasb.org/extlink&oid=6943989&loc=d3e3521-108585 | |
| FASB, Accounting Standards Codification | 230 | 10 | http://asc.fasb.org/extlink&oid=6943989&loc=d3e3574-108585 |
| 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) | 95 | 26 | ||||||
| FASB | Statement of Financial Accounting Standard (FAS) | 95 | 26 |