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Employee Benefits - Net Periodic Costs (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 30, 2023
Dec. 31, 2022
Postemployment Benefits [Abstract]    
Components of net periodic benefit cost $ 0.0 $ 0.0
Service cost 1.2 1.1
Interest cost 0.5 0.1
Expected (gains) on plan assets (0.7) (0.6)
Amortization of net losses 0.0 0.1
Recognized net actuarial loss 0.0 0.3
Net periodic defined benefit plan cost $ 1.0 $ 1.0