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| a2023q1exhibit311.htm | 9704 | 2023-04-19 06:22:53 |
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| a2023q1exhibit32.htm | 10290 | 2023-04-19 06:22:53 |
| FilingSummary.xml | 25500 | 2023-04-19 06:22:53 |
| Financial_Report.xlsx | 61578 | 2023-04-19 06:22:53 |
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| omc-20230331.htm | 1253780 | 2023-04-19 06:22:53 |
| omc-20230331.xsd | 31778 | 2023-04-19 06:22:53 |
| omc-20230331_cal.xml | 72434 | 2023-04-19 06:22:53 |
| omc-20230331_def.xml | 122213 | 2023-04-19 06:22:53 |
| omc-20230331_htm.xml | 944765 | 2023-04-19 06:22:53 |
| omc-20230331_lab.xml | 451042 | 2023-04-19 06:22:53 |
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