| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 04/11/12 | ARS | Annual report to security holders |
|
139 | |
| 04/11/12 | DEF 14A | Definitive proxy statements |
|
47 | |
| 03/26/12 | S-3ASR | Automatic shelf registration statement of securities of well-known seasoned issuers |
|
228 | |
| 03/22/12 | 8-K | Current report filing |
|
3 | |
| 03/20/12 | PRE 14A | Preliminary proxy statement not related to a contested matter or merger/acquisition |
|
47 | |
| 02/27/12 | 10-K | Annual report pursuant to Section 13 and 15(d) |
|
   |
149 |
| 02/24/12 | 8-K | Current report filing |
|
19 | |
| 02/14/12 | SC 13G/A | Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities by passive investors and certain institutions |
|
4 | |
| 02/08/12 | SC 13G/A | Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities by passive investors and certain institutions |
|
3 | |
| 02/06/12 | 8-K | Current report filing |
|
10 |
