Other Comprehensive Earnings (Loss) - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 29, 2024	Dec. 31, 2023	Dec. 25, 2022	Dec. 26, 2021	Dec. 27, 2020
Accumulated Other Comprehensive Income (Loss) [Line Items]
Deferred gains (losses)	$ (246.4)	$ (201.5)
Cash flow hedge loss to be reclassified within twelve months	$ 4.4
3.15% Notes Due 2021
Accumulated Other Comprehensive Income (Loss) [Line Items]
Debt stated interest rate (as a percent)					3.15%
Repayments of debt				$ 300.0
5.10% Notes Due 2044
Accumulated Other Comprehensive Income (Loss) [Line Items]
Debt stated interest rate (as a percent)	5.10%
Foreign Exchange Forward | Gains (Losses) on Derivative Instruments
Accumulated Other Comprehensive Income (Loss) [Line Items]
Deferred gains (losses)	$ 4.4
Interest rate contract | Interest Expense
Accumulated Other Comprehensive Income (Loss) [Line Items]
Deferred losses reclassified from AOCE to net earnings	0.7	$ 0.7	$ 0.7
Interest rate contract | Gains (Losses) on Derivative Instruments
Accumulated Other Comprehensive Income (Loss) [Line Items]
Deferred gains (losses)	$ (13.5)