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BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES, Goodwill and Other Indefinite-Lived Intangible Assets (Details) $ in Thousands | 3 Months Ended | 12 Months Ended
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Mar. 31, 2023 USD ($) ReportingUnit Segment Region | Mar. 31, 2022 ReportingUnit | Dec. 31, 2022 USD ($)
Goodwill and Other Indefinite-Lived Intangible Assets [Abstract] |  |  |
Number of business segments | Segment | 2 |  |
Number of regions | Region | 6 |  |
Number of reporting units | ReportingUnit | 2 | 2 |
Goodwill impairment | $ 0 |  | $ 9,112
Impairment of long-lived assets | 0 |  |
Industrial Injury Prevention Services [Member] |  |  |
Goodwill and Other Indefinite-Lived Intangible Assets [Abstract] |  |  |
Goodwill impairment | $ 9,100 |  |
Other [Member] |  |  |
Goodwill and Other Indefinite-Lived Intangible Assets [Abstract] |  |  |
Number of reporting units | ReportingUnit | 7 |  |
Impairment of goodwill and tradenames | $ 0 |  |

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- Definition Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=121556970&loc=d3e13854-109267 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=99380562&loc=d3e13777-109266 Reference 4: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 55 -Paragraph 24 -URI https://asc.fasb.org/extlink&oid=122137925&loc=d3e14258-109268 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (e) -URI https://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267 + Details
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- Definition Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 18 -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8672-108599 + Details
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