Restructuring and Related Charges (Schedule of Restructuring Reserves by Type of Cost) (Details) - USD ($) $ in Millions	6 Months Ended		12 Months Ended
	Dec. 30, 2022	Jun. 16, 2022	Dec. 31, 2021	Dec. 25, 2020
Restructuring Reserve [Roll Forward]
Reclassifications				$ (10.0)
Restructuring Reserve, Translation and Other Adjustment				1.8
Continuing Operations
Restructuring Reserve [Roll Forward]
Beginning Balance	$ 1.0	$ 10.9	$ 1.0	34.2
Charges	12.7	7.1	23.7	28.7
Restructuring Reserve, Accrual Adjustment	(2.8)	(1.1)	(1.0)	(2.7)
Payments for Restructuring	(6.3)	(15.9)	(12.8)	(51.0)
Ending Balance	4.6	1.0	10.9	1.0
Acquisition programs | Continuing Operations
Restructuring Reserve [Roll Forward]
Beginning Balance	0.0	0.0	0.0	0.2
Charges	0.0	0.0	0.0	0.0
Restructuring Reserve, Accrual Adjustment	0.0	0.0	0.0	(1.9)
Payments for Restructuring	0.0	0.0	0.0	(0.2)
Reclassifications				0.0
Restructuring Reserve, Translation and Other Adjustment				1.9
Ending Balance	0.0	0.0	0.0	0.0
2018 Program | Continuing Operations
Restructuring Reserve [Roll Forward]
Beginning Balance	1.0	10.9	1.0	2.7
Charges	12.7	7.1	23.7	28.6
Restructuring Reserve, Accrual Adjustment	(2.8)	(1.1)	(1.0)	(0.4)
Payments for Restructuring	(6.3)	(15.9)	(12.8)	(20.1)
Reclassifications				(10.0)
Restructuring Reserve, Translation and Other Adjustment				0.2
Ending Balance	4.6	1.0	10.9	1.0
2016 Program | Continuing Operations
Restructuring Reserve [Roll Forward]
Beginning Balance	0.0	0.0	0.0	31.3
Charges	0.0	0.0	0.0	0.1
Restructuring Reserve, Accrual Adjustment	0.0	0.0	0.0	(0.4)
Payments for Restructuring	0.0	0.0	0.0	(30.7)
Reclassifications				0.0
Restructuring Reserve, Translation and Other Adjustment				(0.3)
Ending Balance	$ 0.0	$ 0.0	$ 0.0	$ 0.0