v3.26.1
Summary of Significant Accounting Policies - Schedule of Financial Assets Measured at Fair Value on Recurring Basis (Details) - Recurring - USD ($)
$ in Millions
Apr. 04, 2026
Jan. 03, 2026
Assets    
Cash and cash equivalents $ 124.6 $ 55.5
Money market funds   96.8
Pension assets 30.5 24.8
Total assets 156.0 178.1
Liabilities    
Pension benefit obligation 24.8 30.3
Total liabilities 24.9 31.7
Cash Flow Hedges    
Assets    
Derivative instruments - cash flow hedges 0.9 1.0
Liabilities    
Derivative instruments - cash flow hedges 0.1 1.4
Level 1    
Assets    
Cash and cash equivalents 124.6 55.5
Money market funds   96.8
Pension assets 27.1 22.0
Total assets 152.6 175.3
Liabilities    
Pension benefit obligation 24.8 30.3
Total liabilities 24.9 31.7
Level 1 | Cash Flow Hedges    
Assets    
Derivative instruments - cash flow hedges 0.9 1.0
Liabilities    
Derivative instruments - cash flow hedges 0.1 1.4
Level 2    
Assets    
Cash and cash equivalents 0.0 0.0
Money market funds   0.0
Pension assets 3.4 2.8
Total assets 3.4 2.8
Liabilities    
Pension benefit obligation 0.0 0.0
Total liabilities 0.0 0.0
Level 2 | Cash Flow Hedges    
Assets    
Derivative instruments - cash flow hedges 0.0 0.0
Liabilities    
Derivative instruments - cash flow hedges 0.0 0.0
Level 3    
Assets    
Cash and cash equivalents 0.0 0.0
Money market funds   0.0
Pension assets 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 - cash flow hedges 0.0 0.0
Liabilities    
Derivative instruments - cash flow hedges $ 0.0 $ 0.0