Fair Value Measurements (Assets And Liabilities Measured At Fair Value On Recurring Basis) (Details) - USD ($) $ in Millions	Dec. 29, 2023	Dec. 30, 2022
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Asset Statement Of Financial Position Extensible Enumeration Not Disclosed Flag	Other current assets	Other current assets
Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Deferred compensation plan assets	$ 31.2	$ 31.5
Derivatives assets	0.3	18.0
Contingent consideration assets	0.3	3.1
Total assets measured at fair value	31.8	52.6
Deferred compensation plan liabilities	31.2	31.5
Derivatives liabilities	0.3	0.2
Total liabilities measured at fair value	31.5	31.7
Recurring | (Level I)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Deferred compensation plan assets	31.2	31.5
Derivatives assets	0.0	0.0
Contingent consideration assets	0.0	0.0
Total assets measured at fair value	31.2	31.5
Deferred compensation plan liabilities	31.2	31.5
Derivatives liabilities	0.0	0.0
Total liabilities measured at fair value	31.2	31.5
Recurring | (Level II)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Deferred compensation plan assets	0.0	0.0
Derivatives assets	0.3	18.0
Contingent consideration assets	0.0	0.0
Total assets measured at fair value	0.3	18.0
Deferred compensation plan liabilities	0.0	0.0
Derivatives liabilities	0.3	0.2
Total liabilities measured at fair value	0.3	0.2
Recurring | (Level III)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Deferred compensation plan assets	0.0	0.0
Derivatives assets	0.0	0.0
Contingent consideration assets	0.3	3.1
Total assets measured at fair value	0.3	3.1
Deferred compensation plan liabilities	0.0	0.0
Derivatives liabilities	0.0	0.0
Total liabilities measured at fair value	$ 0.0	$ 0.0