| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 03/15/12 | DEF 14A | Definitive proxy statements |
|
40 | |
| 03/15/12 | 10-K | Annual report pursuant to Section 13 and 15(d) |
|
   |
118 |
| 01/27/12 | 8-K | Current report filing |
|
14 | |
| 12/14/11 | 8-K | Current report filing |
|
6 | |
| 11/09/11 | 10-Q | Quarterly report pursuant to Section 13 or 15(d) |
|
|
53 |
| 10/25/11 | 8-K | Current report filing |
|
12 | |
| 08/08/11 | 10-Q | Quarterly report pursuant to Section 13 or 15(d) |
|
|
45 |
| 07/26/11 | 8-K | Current report filing |
|
10 | |
| 06/29/11 | 11-K | Annual report of employee stock purchase, savings and similar plans |
|
19 | |
| 06/14/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
