v3.25.2
Summary of Significant Accounting Policies - Schedule of Fair Value, Assets Measured on Recurring Basis (Details) - Recurring - USD ($)
$ in Millions
Jun. 28, 2025
Dec. 28, 2024
Assets    
Cash and cash equivalents $ 70.2 $ 51.0
Money market funds 79.4 72.6
Pension assets 24.1 19.2
Equity securities 1.3 1.3
Total assets 178.8 151.6
Liabilities    
Pension benefit obligation 28.8 24.6
Total liabilities 30.4 24.7
Cash Flow Hedges    
Assets    
Derivative instruments 3.1 6.8
Liabilities    
Derivative instruments - cash flow hedges 1.6 0.1
Warrants    
Assets    
Derivative instruments 0.7 0.7
Level 1    
Assets    
Cash and cash equivalents 70.2 51.0
Money market funds 79.4 72.6
Pension assets 17.7 14.1
Equity securities 1.3 1.3
Total assets 172.4 146.5
Liabilities    
Pension benefit obligation 28.8 24.6
Total liabilities 30.4 24.7
Level 1 | Cash Flow Hedges    
Assets    
Derivative instruments 3.1 6.8
Liabilities    
Derivative instruments - cash flow hedges 1.6 0.1
Level 1 | Warrants    
Assets    
Derivative instruments 0.7 0.7
Level 2    
Assets    
Cash and cash equivalents 0.0 0.0
Money market funds 0.0 0.0
Pension assets 6.4 5.1
Equity securities 0.0 0.0
Total assets 6.4 5.1
Liabilities    
Pension benefit obligation 0.0 0.0
Total liabilities 0.0 0.0
Level 2 | Cash Flow Hedges    
Assets    
Derivative instruments 0.0 0.0
Liabilities    
Derivative instruments - cash flow hedges 0.0 0.0
Level 2 | Warrants    
Assets    
Derivative instruments 0.0 0.0
Level 3    
Assets    
Cash and cash equivalents 0.0 0.0
Money market funds 0.0 0.0
Pension assets 0.0 0.0
Equity securities 0.0 0.0
Total assets 0.0 0.0
Liabilities    
Pension benefit obligation 0.0 0.0
Total liabilities 0.0 0.0
Level 3 | Cash Flow Hedges    
Assets    
Derivative instruments 0.0 0.0
Liabilities    
Derivative instruments - cash flow hedges 0.0 0.0
Level 3 | Warrants    
Assets    
Derivative instruments $ 0.0 $ 0.0