| Filing Date | Type | Description | Filing Group | View |
| 04/08/13 | ARS | An annual report to security holders | Annual Filings |  |
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| 02/15/13 | 10-K | Annual report which provides a comprehensive overview of the company for the past year | Annual Filings | |
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| 03/28/12 | ARS | An annual report to security holders | Annual Filings | |
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| 02/17/12 | 10-K | Annual report which provides a comprehensive overview of the company for the past year | Annual Filings | |
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| 04/04/11 | ARS | An annual report to security holders | Annual Filings | |
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| 02/11/11 | 10-K | Annual report which provides a comprehensive overview of the company for the past year | Annual Filings | |
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| 11/22/10 | ARS | An annual report to security holders | Annual Filings | |
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| 01/22/10 | 10-K/A | Amendment to a previously filed 10-K | Annual Filings | |
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| 11/23/09 | 10-K | Annual report which provides a comprehensive overview of the company for the past year | Annual Filings | |
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| 01/26/09 | 10-K/A | Amendment to a previously filed 10-K | Annual Filings | |
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