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| 0000350894-25-000040.txt | 2025-03-18 13:41:05 | |
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| FilingSummary.xml | 1678 | 2025-03-18 13:41:05 |
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| R1.htm | 38065 | 2025-03-18 13:41:05 |
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| seic-20250318.htm | 26262 | 2025-03-18 13:41:05 |
| seic-20250318.xsd | 1773 | 2025-03-18 13:41:05 |
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| seic-20250318_htm.xml | 2712 | 2025-03-18 13:41:05 |
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