Fair Value - Summary of Assets or Liabilities Measured at Fair Value (Details) - USD ($) $ in Millions	Dec. 26, 2025	Dec. 27, 2024
Plan assets
Other non-current assets:
Plan assets	$ 0.7	$ 0.1
Contingent earn-out
Other liabilities:
Liabilities	0.0	0.1
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) | Contingent earn-out
Other liabilities:
Liabilities		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) | Contingent earn-out
Other liabilities:
Liabilities		0.0
Significant Unobservable Inputs (Level 3) | Plan assets
Other non-current assets:
Plan assets	0.7	0.1
Significant Unobservable Inputs (Level 3) | Contingent earn-out
Other liabilities:
Liabilities		0.1
Pension obligation
Other liabilities:
Liabilities	2.3	1.7
Pension obligation | Quoted Prices in Active Markets for Identical Assets (Level 1)
Other liabilities:
Liabilities	0.0	0.0
Pension obligation | Significant Other Observable Inputs (Level 2)
Other liabilities:
Liabilities	0.0	0.0
Pension obligation | Significant Unobservable Inputs (Level 3)
Other liabilities:
Liabilities	$ 2.3	$ 1.7