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Summary of Significant Accounting Policies - Schedule of Fair Value, Assets Measured on Recurring Basis (Detail) - Recurring - USD ($)
$ in Millions
Jun. 29, 2024
Dec. 30, 2023
Assets    
Cash and cash equivalents $ 94.5 $ 87.0
Money market funds 35.1 76.0
Equity securities 1.5 1.7
Pension assets 22.9 23.1
Total assets 168.4 200.4
Cash Flow Hedges    
Assets    
Derivative instruments 13.6 11.6
Warrants    
Assets    
Derivative instruments 0.8 1.0
Level 1    
Assets    
Cash and cash equivalents 94.5 87.0
Money market funds 35.1 76.0
Equity securities 1.5 1.7
Pension assets 16.8 16.8
Total assets 162.3 194.1
Level 1 | Cash Flow Hedges    
Assets    
Derivative instruments 13.6 11.6
Level 1 | Warrants    
Assets    
Derivative instruments 0.8 1.0
Level 2    
Assets    
Cash and cash equivalents 0.0 0.0
Money market funds 0.0 0.0
Equity securities 0.0 0.0
Pension assets 6.1 6.3
Total assets 6.1 6.3
Level 2 | Cash Flow Hedges    
Assets    
Derivative instruments 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
Equity securities 0.0 0.0
Pension assets 0.0 0.0
Total assets 0.0 0.0
Level 3 | Cash Flow Hedges    
Assets    
Derivative instruments 0.0 0.0
Level 3 | Warrants    
Assets    
Derivative instruments $ 0.0 $ 0.0