Restructuring and Related Charges (Schedule of Net Restructuring and Related Charges) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 25, 2020	Dec. 27, 2019
Restructuring Cost and Reserve [Line Items]
Total restructuring and related charges	$ 29.0	$ 49.8	$ (1.7)
Less: non-cash charges, including accelerated depreciation	(6.3)	(23.8)	0.0
Total charges expected to be settled in cash	22.7	26.0	(1.7)
Restructuring charges, net	26.9	37.5	(1.7)
2018 Program
Restructuring Cost and Reserve [Line Items]
Total restructuring and related charges	29.0	52.0	(9.8)
2016 Program
Restructuring Cost and Reserve [Line Items]
Total restructuring and related charges	0.0	(0.3)	10.6
Acquisition programs
Restructuring Cost and Reserve [Line Items]
Total restructuring and related charges	$ 0.0	$ (1.9)	$ (0.9)