Other Comprehensive Earnings (Loss) - Accumulated Other Comprehensive Earnings (Loss), Net of Tax (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 29, 2024	Dec. 31, 2023	Dec. 25, 2022
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	$ 1,087.0	$ 2,861.9	$ 3,063.1
Current period other comprehensive earnings (loss)	(44.4)	50.5	(4.7)
Reclassifications from AOCE to earnings	(0.5)	2.9	(14.9)
Ending balance	1,185.0	1,087.0	2,861.9
Pension and Postretirement Amounts
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(4.2)	(3.0)	(35.1)
Current period other comprehensive earnings (loss)	(2.9)	(0.3)	30.8
Reclassifications from AOCE to earnings	(0.9)	(0.9)	1.3
Ending balance	(8.0)	(4.2)	(3.0)
Gains (Losses) on Derivative Instruments
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(16.8)	(12.0)	(6.0)
Current period other comprehensive earnings (loss)	7.3	(8.6)	10.2
Reclassifications from AOCE to earnings	0.4	3.8	(16.2)
Ending balance	(9.1)	(16.8)	(12.0)
Unrealized Holding Gains (Losses) on Available for-Sale Securities
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(0.1)	(0.1)	0.2
Current period other comprehensive earnings (loss)	0.0	0.0	(0.3)
Reclassifications from AOCE to earnings	0.0	0.0	0.0
Ending balance	(0.1)	(0.1)	(0.1)
Foreign Currency Translation Adjustments
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(180.4)	(239.8)	(194.4)
Current period other comprehensive earnings (loss)	(48.8)	59.4	(45.4)
Reclassifications from AOCE to earnings	0.0	0.0	0.0
Ending balance	(229.2)	(180.4)	(239.8)
Accumulated Other Comprehensive Loss
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(201.5)	(254.9)	(235.3)
Ending balance	$ (246.4)	$ (201.5)	$ (254.9)