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Income Taxes - Narrative (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2023 | Jan. 01, 2023 | Jan. 02, 2022 | Jan. 03, 2021
Income Taxes [Line Items] |  |  |  |
Deferred tax assets, net | $ 324.8 | $ 299.2 |  |
Valuation allowance | 60.5 | 34.0 |  |
Income tax expense (benefit) | (11.5) | (7.9) | $ 35.1 |
Tax exempt life insurance cash surrender | 6.5 | 7.8 | 5.2 |
Gain from insurance settlement |  |  | 4.8 |
Undistributed earnings of foreign subsidiaries | 48.1 |  |  |
Unrecognized tax benefits | 0.6 | 0.5 | 0.6 | $ 0.5
Unrecognized tax benefits that would impact effective tax rate | 0.5 | 0.4 | 0.5 |
Unrecognized tax benefits, income tax penalties and interest expense | 0.1 |  | 0.1 |
Unrecognized tax benefits, income tax penalties and interest accrued | 0.2 | 0.1 |  |
Significant change in unrecognized tax benefits is reasonably possible, amount of unrecorded benefit | 0.3 |  |  |
Pro Forma |  |  |  |
Income Taxes [Line Items] |  |  |  |
Potential repatriation of foreign earnings amount | 4.0 |  |  |
United Kingdom |  |  |  |
Income Taxes [Line Items] |  |  |  |
Income tax expense (benefit) |  |  | (5.2) |
Persol Holdings Investment |  |  |  |
Income Taxes [Line Items] |  |  |  |
Income tax expense (benefit) |  | (16.9) | $ 37.3 |
Assets Held-For-Sale |  |  |  |
Income Taxes [Line Items] |  |  |  |
Income tax expense (benefit) | (15.0) |  |  |
Goodwill |  |  |  |
Income Taxes [Line Items] |  |  |  |
Income tax expense (benefit) |  | (7.1) |  |
United Kingdom Deferred Tax Assets |  |  |  |
Income Taxes [Line Items] |  |  |  |
Valuation allowance, deferred tax asset, increase (decrease), amount | 19.1 |  |  |
Held-For-Sale Assets |  |  |  |
Income Taxes [Line Items] |  |  |  |
Valuation allowance, deferred tax asset, increase (decrease), amount | 19.8 |  |  |
Germany Deferred Tax Assets |  |  |  |
Income Taxes [Line Items] |  |  |  |
Valuation allowance, deferred tax asset, increase (decrease), amount | (5.6) |  |  |
U.S. Foreign Tax Credits |  |  |  |
Income Taxes [Line Items] |  |  |  |
Valuation allowance | 14.5 |  |  |
Valuation allowance, deferred tax asset, increase (decrease), amount | (9.0) |  |  |
General Business Tax Credit Carryforward | Expiring In Years 2034 to 2042 |  |  |  |
Income Taxes [Line Items] |  |  |  |
General business credit carryforward | 185.0 |  |  |
Foreign Tax Credit Carryforward | Expiring In Years 2023 to 2032 |  |  |  |
Income Taxes [Line Items] |  |  |  |
General business credit carryforward | 23.5 |  |  |
Deferred Tax |  |  |  |
Income Taxes [Line Items] |  |  |  |
Deferred tax assets, net | 321.1 | 299.7 |  |
Assets Held-For-Sale |  |  |  |
Income Taxes [Line Items] |  |  |  |
Deferred tax assets, net | 4.1 |  |  |
Other Noncurrent Liabilities |  |  |  |
Income Taxes [Line Items] |  |  |  |
Deferred tax assets, net | $ 0.4 | $ 0.5 |  |

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- Definition Carrying amount as of the balance sheet date of amounts which could be received based on the terms of the insurance contract upon surrendering life policies owned by the entity. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(17)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
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- Definition Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, without jurisdictional netting. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-2 + Details
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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to income tax settlements. Including, but not limited to, domestic tax settlement, foreign tax settlement, state and local tax settlement, and other tax settlements. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-12 + Details
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