Fair Value Measurements (Narrative) (Details) - Recurring - USD ($) $ in Millions	Mar. 29, 2024	Dec. 29, 2023
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Deferred compensation plan assets	$ 32.0	$ 31.2
Deferred compensation plan liabilities	32.0	31.2
Debt
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt outstanding	$ 3,100.0	$ 3,100.0