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Employee Benefits - Defined Benefit Plans (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 30, 2023 | Dec. 31, 2022
Plan Assets |  |
Fair value of plan assets at beginning of year | $ 22.2 | $ 21.7
Realized net gains (losses) on plan assets | 1.1 | (2.5)
Employer contributions | 0.4 | 1.5
Participant contributions | 0.6 | 0.5
Benefits paid | 0.8 | 2.8
Other | (2.0) | (1.8)
Fair value of plan assets at end of year | 23.1 | 22.2
Projected Benefit Obligation |  |
Projected benefit obligation at beginning of year | 32.3 | 32.3
Service cost | 1.2 | 1.1
Interest cost | 0.5 | 0.1
Participant contributions | 0.6 | 0.5
Actuarial gains (losses) | 2.3 | 1.9
Benefits paid | (0.5) | 2.0
Other | (3.8) | (1.8)
Projected benefit obligation at end of year |  | 32.3
Funded status | $ (9.5) | $ (10.1)

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- Definition Amount of increase (decrease) in plan assets of defined benefit plan from actual return (loss) determined by change in fair value of plan assets adjusted for contributions, benefit payments, and other expenses. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 17 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480482/715-20-55-17 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 + Details
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