| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 07/02/13 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 07/02/13 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 07/02/13 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 07/02/13 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 07/02/13 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 07/02/13 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 07/02/13 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 07/01/13 | Annual report of employee stock purchase, savings and similar plans | 
       
   | 
  18 | ||
| 06/26/13 | Current report filing | 
       
   | 
  54 | ||
| 06/26/13 | Prospectus filed pursuant to Rule 424(b)(5) | 
       
   | 
  86 | 
