Long-term Employee Benefits - Summary of Defined Benefit Obligation in Excess of Plan Assets (Details) - USD ($) $ in Millions	Jan. 02, 2022	Jan. 03, 2021
Compensation And Retirement Disclosure [Abstract]
ABO	$ 34.4	$ 36.0
Plans with PBO in excess of plan assets
PBO	23.0	24.4
Fair value of plan assets	5.3	5.3
Plans with ABO in excess of plan assets
PBO	21.1	21.7
ABO	18.6	18.8
Fair value of plan assets	$ 3.5	$ 3.2

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Amount of actuarial present value of benefits attributed to employee service rendered, excluding assumptions about future compensation level.

+ References

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-Publisher FASB
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Amount of accumulated benefit obligation for defined benefit pension plan with projected benefit obligation in excess of plan assets.

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Amount of projected benefit obligation for defined benefit pension plan with projected benefit obligation in excess of plan assets.

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Amount of accumulated benefit obligation for defined benefit plan with accumulated benefit obligation in excess of plan assets.

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Amount of plan asset for defined benefit plan with accumulated benefit obligation in excess of plan assets.

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Amount of projected benefit obligation for defined benefit pension plan with accumulated benefit obligation in excess of plan assets.

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