Contingencies - Narrative (Details) - USD ($) $ in Millions	Dec. 29, 2024	Dec. 31, 2023
Loss Contingencies [Line Items]
Accrual for litigation costs	$ 1.5	$ 6.4
Insurance recoveries	4.9	11.7
Disposal Group, Held-for-Sale, Not Discontinued Operations | European Staffing Operations
Loss Contingencies [Line Items]
Disposal group, including discontinued operations, loss contingency accrual		1.5
Prepaid Expenses and Other Current Assets
Loss Contingencies [Line Items]
Insurance recoveries	0.0	$ 0.2
Minimum
Loss Contingencies [Line Items]
Loss contingency, portion not accrued	0.1
Maximum
Loss Contingencies [Line Items]
Loss contingency, portion not accrued	$ 1.2