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Held for Sale - Narrative (Details) - USD ($) $ in Millions |  | 12 Months Ended
--- | --- | ---
Jan. 02, 2024 | Dec. 31, 2023 | Jan. 01, 2023 | Jan. 02, 2022
Discontinued Operations and Disposal Groups [Abstract] |  |  |  |
Cash and equivalents |  | $ 33.5 | $ 0.0 | $ 0.0
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Cash and equivalents |  | 33.5 | 0.0 | 0.0
Subsequent Event |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Proceeds from divestiture of businesses | $ 110.6 |  |  |
Disposal Group, Held-for-Sale, Not Discontinued Operations | European Staffing Operations |  |  |  |
Discontinued Operations and Disposal Groups [Abstract] |  |  |  |
Cash and equivalents |  | 33.5 |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Disposal group, including discontinued operation, revenue |  | 1.5 | $ 9.3 | $ 8.2
Cash and equivalents |  | $ 33.5 |  |
Disposal Group, Held-for-Sale, Not Discontinued Operations | European Staffing Operations | Subsequent Event |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Proceeds from divestiture of businesses | $ 110.6 |  |  |

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