Fair Value - Schedule of Fair Value, Assets and Liabilities Measured (Details) - USD ($) $ in Millions	Dec. 27, 2024	Dec. 29, 2023
Plan assets
Other non-current assets:
Plan assets	$ 0.1	$ 1.3
Forward contracts
Other current liabilities:
Other current liabilities:		0.1
Other liabilities:
Liabilities		0.1
Contingent earn-out
Other current liabilities:
Other current liabilities:	0.1	29.1
Other liabilities:
Liabilities	0.1	29.1
Pension obligation
Other current liabilities:
Other current liabilities:	1.7	1.6
Other liabilities:
Liabilities	1.7	1.6
Quoted Prices in Active Markets for Identical Assets (Level 1) | Plan assets
Other non-current assets:
Plan assets	0.0	0.0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Forward contracts
Other current liabilities:
Other current liabilities:		0.0
Other liabilities:
Liabilities		0.0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Contingent earn-out
Other current liabilities:
Other current liabilities:	0.0	0.0
Other liabilities:
Liabilities	0.0	0.0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Pension obligation
Other current liabilities:
Other current liabilities:	0.0	0.0
Other liabilities:
Liabilities	0.0	0.0
Significant Other Observable Inputs (Level 2) | Plan assets
Other non-current assets:
Plan assets	0.0	0.0
Significant Other Observable Inputs (Level 2) | Forward contracts
Other current liabilities:
Other current liabilities:		0.1
Other liabilities:
Liabilities		0.1
Significant Other Observable Inputs (Level 2) | Contingent earn-out
Other current liabilities:
Other current liabilities:	0.0	0.0
Other liabilities:
Liabilities	0.0	0.0
Significant Other Observable Inputs (Level 2) | Pension obligation
Other current liabilities:
Other current liabilities:	0.0	0.0
Other liabilities:
Liabilities	0.0	0.0
Significant Unobservable Inputs (Level 3) | Plan assets
Other non-current assets:
Plan assets	0.1	1.3
Significant Unobservable Inputs (Level 3) | Forward contracts
Other current liabilities:
Other current liabilities:		0.0
Other liabilities:
Liabilities		0.0
Significant Unobservable Inputs (Level 3) | Contingent earn-out
Other current liabilities:
Other current liabilities:	0.1	29.1
Other liabilities:
Liabilities	0.1	29.1
Significant Unobservable Inputs (Level 3) | Pension obligation
Other current liabilities:
Other current liabilities:	1.7	1.6
Other liabilities:
Liabilities	$ 1.7	$ 1.6