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Acquisition and Disposition - Disposition Narrative (Details) - USD ($) $ in Millions |  |  | 6 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | ---
Jan. 02, 2024 | Jul. 20, 2022 | Dec. 29, 2024 | Dec. 29, 2024 | Dec. 31, 2023 | Jan. 01, 2023 | Jun. 30, 2024 | Mar. 31, 2024
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |
Proceeds from sale of EMEA staffing operations, net of cash disposed |  |  |  | $ 77.1 | $ 0.0 | $ 0.0 |  |
Gain on sale of EMEA staffing operations |  |  |  | (1.6) | 0.0 | 0.0 |  |
Earnings from operations from EMEA staffing operations |  |  |  | 11.3 | (5.0) | (31.8) |  |
Cash disposed from sale of Russia, net of proceeds |  |  |  | 0.0 | 0.0 | 6.0 |  |
Loss on disposal |  |  |  | 0.0 | 0.0 | 18.7 |  |
Disposal Group, Not Discontinued Operations | European Staffing Operations |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |
Proceeds from disposition | $ 110.6 |  |  |  |  |  |  |
Proceeds from sale of EMEA staffing operations, net of cash disposed | $ 77.1 |  |  |  |  |  |  |
Other receivables |  |  | $ 16.4 | 16.4 |  |  | $ 16.8 | $ 26.9
Working capital and other adjustments |  |  |  |  |  |  | $ 10.1 |
Increase (decrease) in other receivables |  |  | $ 0.4 |  |  |  |  |
Gain on sale of EMEA staffing operations |  |  |  | $ (1.6) |  |  |  |
Disposal Group, Including Discontinued Operation, Operating Income (Loss) |  |  |  |  | $ 4.3 |  |  |
Disposal Group, Not Discontinued Operations | Russian Operations |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |
Proceeds from disposition |  | $ 7.4 |  |  |  |  |  |
Cash disposed from sale of Russia, net of proceeds |  | $ 6.0 |  |  |  |  |  |
Loss on disposal |  |  |  |  |  | 18.7 |  |
Disposal group, including discontinued operation, revenue |  |  |  |  |  | 63.4 |  |
Disposal Group, Including Discontinued Operation, Operating Income (Loss) |  |  |  |  |  | $ 1.4 |  |

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