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DISCONTINUED OPERATIONS - Financial Results of Instaff (Details) - USD ($) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 25, 2022 | Sep. 26, 2021 | Sep. 25, 2022 | Sep. 26, 2021
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Income from discontinued operations before taxes | $ 0 | $ 1,164,115 | $ 1,234,995 | $ 3,330,564
Instaff | Discontinued Operations, Held-for-sale |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Revenue | 0 | 18,167,000,000 | 16,465,000,000 | 53,122,000,000
Cost of services | 0 | 15,547,000,000 | 14,144,000,000 | 45,367,000,000
Gross profit | 0 | 2,620,000,000 | 2,321,000,000 | 7,755,000,000
Selling expenses | 0 | 1,435,000,000 | 1,062,000,000 | 4,355,000,000
Depreciation | 0 | 21,000,000 | 24,000,000 | 69,000,000
Income from discontinued operations before taxes | $ 0 | $ 1,164,000,000 | $ 1,235,000,000 | $ 3,331,000,000

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- Definition Amount of deprecation and amortization expense attributable to property, plant and equipment and intangible assets of discontinued operations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -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 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 5B -Subparagraph (c)(2) -URI https://asc.fasb.org/extlink&oid=109222650&loc=SL51721673-107760 + Details
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