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| 0000029989-21-000009-index.html | 2021-04-20 17:11:36 | |
| 0000029989-21-000009.txt | 2021-04-20 17:11:36 | |
 0000029989-21-000009-xbrl.zip | 188277 | 2021-04-20 17:11:36 |
| a2021q1exhibit311.htm | 9663 | 2021-04-20 17:11:36 |
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| a2021q1exhibit32.htm | 10451 | 2021-04-20 17:11:36 |
| FilingSummary.xml | 24933 | 2021-04-20 17:11:36 |
| Financial_Report.xlsx | 55136 | 2021-04-20 17:11:36 |
| MetaLinks.json | 484581 | 2021-04-20 17:11:36 |
| omc-20210331.htm | 1090358 | 2021-04-20 17:11:36 |
| omc-20210331.xsd | 28952 | 2021-04-20 17:11:36 |
| omc-20210331_cal.xml | 80591 | 2021-04-20 17:11:36 |
| omc-20210331_def.xml | 135742 | 2021-04-20 17:11:36 |
| omc-20210331_htm.xml | 887484 | 2021-04-20 17:11:36 |
| omc-20210331_lab.xml | 435857 | 2021-04-20 17:11:36 |
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| R1.htm | 59353 | 2021-04-20 17:11:36 |
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| R27.htm | 21776 | 2021-04-20 17:11:36 |
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| R8.htm | 9519 | 2021-04-20 17:11:36 |
| R9.htm | 43380 | 2021-04-20 17:11:36 |
| report.css | 2767 | 2021-04-20 17:11:36 |
| Show.js | 1085 | 2021-04-20 17:11:36 |