v3.25.2
Financial Instruments and Fair Value Measurements (Schedule of Fair Value of Assets and Liabilities Measured on a Recurring Basis) (Details) - USD ($)
$ in Millions
Jun. 27, 2025
Dec. 27, 2024
Level 1 | Indemnification Agreement    
Liabilities:    
Restricted Cash and Cash Equivalents $ 61.2 $ 63.1
Recurring    
Assets:    
Rabbi Trust Investments, Fair Value Disclosure 26.2 25.4
Cash Flow Hedge Derivative Instrument Assets at Fair Value 2.3 5.3
Other Assets, Fair Value Disclosure 9.8 12.0
Assets, Fair Value Disclosure 38.3 42.7
Liabilities:    
Deferred Compensation Liability, Fair Value 21.1 22.5
Contingent consideration and acquired contingent liabilities 18.3 17.5
Total liabilities at fair value 39.4 40.0
Derivative Liability 0.0 0.0
Recurring | Level 1    
Assets:    
Rabbi Trust Investments, Fair Value Disclosure 17.3 17.4
Cash Flow Hedge Derivative Instrument Assets at Fair Value 0.0 0.0
Other Assets, Fair Value Disclosure 9.8 12.0
Assets, Fair Value Disclosure 27.1 29.4
Liabilities:    
Deferred Compensation Liability, Fair Value 0.0 0.0
Contingent consideration and acquired contingent liabilities 0.0 0.0
Total liabilities at fair value 0.0 0.0
Recurring | Level 2    
Assets:    
Rabbi Trust Investments, Fair Value Disclosure 8.9 8.0
Cash Flow Hedge Derivative Instrument Assets at Fair Value 2.3 5.3
Other Assets, Fair Value Disclosure 0.0 0.0
Assets, Fair Value Disclosure 11.2 13.3
Liabilities:    
Deferred Compensation Liability, Fair Value 21.1 22.5
Contingent consideration and acquired contingent liabilities 0.0 0.0
Total liabilities at fair value 21.1 22.5
Recurring | Level 3    
Assets:    
Rabbi Trust Investments, Fair Value Disclosure 0.0 0.0
Cash Flow Hedge Derivative Instrument Assets at Fair Value 0.0 0.0
Other Assets, Fair Value Disclosure 0.0 0.0
Assets, Fair Value Disclosure 0.0 0.0
Liabilities:    
Deferred Compensation Liability, Fair Value 0.0 0.0
Contingent consideration and acquired contingent liabilities 18.3 17.5
Total liabilities at fair value $ 18.3 $ 17.5