| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 03/25/11 | DEFA14A | Form DEFA14A: Additional definitive proxy soliciting materials and Rule 14(a)(12) material | 4 | |
| 03/25/11 | DEF 14A | Form DEF 14A: Definitive proxy statements | 78 | |
| 03/04/11 | PRE 14A | Form PRE 14A: Preliminary proxy statement not related to a contested matter or merger/acquisition | 76 | |
| 03/26/10 | DEF 14A | Form DEF 14A: Definitive proxy statements | 63 | |
| 03/05/10 | PRE 14A | Form PRE 14A: Preliminary proxy statement not related to a contested matter or merger/acquisition | 60 | |
| 03/26/09 | DEF 14A | Form DEF 14A: Definitive proxy statements | 56 | |
| 03/27/08 | DEF 14A | Form DEF 14A: Definitive proxy statements | 72 | |
| 04/03/07 | DEF 14A | Form DEF 14A: Definitive proxy statements | 85 | |
| 03/20/07 | PRE 14A | Form PRE 14A: Preliminary proxy statement not related to a contested matter or merger/acquisition | 85 | |
| 03/23/06 | DEF 14A | Form DEF 14A: Definitive proxy statements | 67 |
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