| 424B5 | Form of prospectus disclosing information facts events covered in both forms 424B2 424B3 | Oct 25, 2012 |  Open Form of prospectus disclosing information facts events covered in both forms 424B2 424B3 in HTML. Open Form of prospectus disclosing information facts events covered in both forms 424B2 424B3 in DOC file. Open Form of prospectus disclosing information facts events covered in both forms 424B2 424B3 in PDF file. Open Form of prospectus disclosing information facts events covered in both forms 424B2 424B3 in XLS file. |
| 424B3 | Form of prospectus reflecting facts events constituting substantive change from last form | Oct 24, 2012 | Open Form of prospectus reflecting facts events constituting substantive change from last form in HTML.Open Form of prospectus reflecting facts events constituting substantive change from last form in DOC file.Open Form of prospectus reflecting facts events constituting substantive change from last form in PDF file.Open Form of prospectus reflecting facts events constituting substantive change from last form in XLS file. |
| S-8 | Securities offered to employees pursuant to employee benefit plans | May 10, 2012 | Open Securities offered to employees pursuant to employee benefit plans in HTML.Open Securities offered to employees pursuant to employee benefit plans in DOC file.Open Securities offered to employees pursuant to employee benefit plans in PDF file.Open Securities offered to employees pursuant to employee benefit plans in XLS file. |