XML 128 R60.htm IDEA: XBRL DOCUMENT v3.24.0.1
Summary of Significant Accounting Policies - Schedule of Financial Assets Measured at Fair Value on a Recurring Basis (Detail) - Recurring - USD ($)
$ in Millions
Dec. 30, 2023
Dec. 31, 2022
Assets    
Cash and cash equivalents $ 87.0 $ 148.5
U.S. treasuries   0.0
Money market funds 76.0 54.4
Pension assets:    
Cash and cash equivalents (1.2) 1.0
Equity securities 8.1 6.6
Debt securities 10.7 8.0
Real estate funds 3.1 3.5
Alternative investments 1.9 1.9
Other 0.5 1.2
Equity securities 1.7  
Total assets 200.4 244.8
Liabilities    
Pension benefit obligation 32.6 32.3
Total liabilities 36.2 32.3
Cash Flow Hedging    
Pension assets:    
Derivative instruments   19.7
Cash Flow Hedging    
Pension assets:    
Derivative instruments 11.6  
Liabilities    
Derivative instruments - cash flow hedge 3.6  
Warrant    
Pension assets:    
Derivative instruments 1.0  
Level 1    
Assets    
Cash and cash equivalents 87.0 148.5
U.S. treasuries   0.0
Money market funds 76.0 54.4
Pension assets:    
Cash and cash equivalents (1.2) 1.0
Equity securities 8.1 6.6
Debt securities 9.9 7.2
Real estate funds 0.0 0.0
Alternative investments 0.0 0.0
Other 0.0 0.0
Equity securities 1.7  
Total assets 194.1 217.7
Liabilities    
Pension benefit obligation 32.6 32.3
Total liabilities 36.2 32.3
Level 1 | Cash Flow Hedging    
Pension assets:    
Derivative instruments   0.0
Level 1 | Cash Flow Hedging    
Pension assets:    
Derivative instruments 11.6  
Liabilities    
Derivative instruments - cash flow hedge 3.6  
Level 1 | Warrant    
Pension assets:    
Derivative instruments 1.0  
Level 2    
Assets    
Cash and cash equivalents 0.0 0.0
U.S. treasuries   0.0
Money market funds 0.0 0.0
Pension assets:    
Cash and cash equivalents 0.0 0.0
Equity securities 0.0 0.0
Debt securities 0.8 0.8
Real estate funds 3.1 3.5
Alternative investments 1.9 1.9
Other 0.5 1.2
Equity securities 0.0  
Total assets 6.3 27.1
Liabilities    
Pension benefit obligation 0.0 0.0
Total liabilities 0.0 0.0
Level 2 | Cash Flow Hedging    
Pension assets:    
Derivative instruments   19.7
Level 2 | Cash Flow Hedging    
Pension assets:    
Derivative instruments 0.0  
Liabilities    
Derivative instruments - cash flow hedge 0.0  
Level 2 | Warrant    
Pension assets:    
Derivative instruments 0.0  
Level 3    
Assets    
Cash and cash equivalents 0.0 0.0
U.S. treasuries   0.0
Money market funds 0.0 0.0
Pension assets:    
Cash and cash equivalents 0.0 0.0
Equity securities 0.0 0.0
Debt securities 0.0 0.0
Real estate funds 0.0 0.0
Alternative investments 0.0 0.0
Other 0.0 0.0
Equity securities 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 Hedging    
Pension assets:    
Derivative instruments   $ 0.0
Level 3 | Cash Flow Hedging    
Pension assets:    
Derivative instruments 0.0  
Liabilities    
Derivative instruments - cash flow hedge 0.0  
Level 3 | Warrant    
Pension assets:    
Derivative instruments $ 0.0