| 424B5 | Form of prospectus disclosing information facts events covered in both forms 424B2 424B3 | 31 Oct 2011 | 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 | 27 Oct 2011 | 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. |
| 424B5 | Form of prospectus disclosing information facts events covered in both forms 424B2 424B3 | 21 Jul 2011 | 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 | 19 Jul 2011 | 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. |
| 424B5 | Form of prospectus disclosing information facts events covered in both forms 424B2 424B3 | 11 May 2011 | 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 | 09 May 2011 | 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 | 31 Jan 2011 | 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. |