| 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) Operating Activities, Continuing Operations |
| Filer taxonomy standard label: | Net cash flow provided by operating activities |
| Documentation: | The net cash from (used in) the entity's continuing operations. This element specifically EXCLUDES 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 operating activities. While for technical reasons this element has no balance attribute, the default assumption is a debit balance consistent with its label. |
| Balance type: | |
| Period type: | For Period (duration) |
| Report element type: | [Concept] |
| Data type: | Monetary (xbrli:monetaryItemType) |
| ID: | us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations |
| Name: | us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinuingOperations |
| 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 operating activities | en-US |
| Total label (http://www.xbrl.org/2003/role/totalLabel) | Net cash flow provided by operating 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=d3e3602-108585 | |
| 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=d3e3536-108585 |
| 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 |