A strong foundation. A solid future.

A strong foundation. A solid future.

| Filing | Description | Date Filed | Size ![]() |
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| S-3 | registration statement | 07-11-01 | 3.4 MB |
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| 8-K | current report | 10-31-08 | 364.6 KB |
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| 8-K | current report | 08-21-01 | 3.4 MB |
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| 10-Q/A | amended quarterly report | 06-21-02 | 6.1 MB |
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| S-3/A | registration statement | 06-06-97 | 3.0 MB |
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| 10-Q | quarterly report | 08-10-01 | 3.4 MB |
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| 8-K | current report | 06-14-06 | 384.4 KB |
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| 10-K405 | annual report | 02-28-97 | 3.0 MB |
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| 10-K | annual report | 02-27-95 | 2.0 MB |
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| 10-Q | quarterly report | 11-13-00 | 6.0 MB |
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| 10-K405 | annual report | 03-01-96 | 3.0 MB |
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| 8-K | current report | 04-06-06 | 307.2 KB |
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| 424B2 | prospectus filed pursuant to rule 424 | 08-22-12 | 330.9 KB |
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| 424B5 | prospectus filed pursuant to rule 424 | 08-08-07 | 359.5 KB |
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| 424B2 | prospectus filed pursuant to rule 424 | 08-09-07 | 359.4 KB |
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| 424B5 | prospectus filed pursuant to rule 424 | 08-21-12 | 329.2 KB |
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| 8-K | current report | 08-24-12 | 294.7 KB |
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| 10-Q | quarterly report | 08-16-99 | 3.0 MB |
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| 8-K | current report | 08-24-11 | 301.5 KB |
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| 424B2 | prospectus filed pursuant to rule 424 | 10-16-08 | 336.8 KB |
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