| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 05/04/12 | 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 | |
| 05/02/12 | 10-Q | Quarterly report pursuant to Section 13 or 15(d) |
|
   |
49 |
| 05/02/12 | 8-K | Current report filing |
|
12 | |
| 04/20/12 | SC TO-I | Issuer tender offer statement |
|
119 | |
| 04/11/12 | S-8 | Initial registration statement for securities to be offered to employees pursuant to employee benefit plans |
|
8 | |
| 04/09/12 | 8-K | Current report filing |
|
13 | |
| 03/30/12 | ARS | Annual report to security holders |
|
1 | |
| 03/30/12 | 8-K | Current report filing |
|
3 | |
| 03/22/12 | SC TO-C | Written communication relating to an issuer or third party tender offer |
|
3 | |
| 03/21/12 | DEF 14A | Definitive proxy statements |
|
74 |
