Restructuring and Related Charges (Schedule of Net Restructuring and Related Charges) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 27, 2019	Dec. 28, 2018	Dec. 29, 2017
Restructuring Cost and Reserve [Line Items]
Total restructuring and related charges	$ (1.7)	$ 108.2	$ 36.4
Less: non-cash charges, including accelerated depreciation	0.0	(5.2)	(5.2)
Total charges expected to be settled in cash	(1.7)	103.0	31.2
Restructuring charges, net	(1.7)	103.0	31.2
2018 Program
Restructuring Cost and Reserve [Line Items]
Total restructuring and related charges	9.8	5.2	0.0
2016 Program
Restructuring Cost and Reserve [Line Items]
Total restructuring and related charges	(10.6)	71.6	(36.2)
2013 Program
Restructuring Cost and Reserve [Line Items]
Total restructuring and related charges	0.0	0.0	(0.7)
Acquisition programs
Restructuring Cost and Reserve [Line Items]
Total restructuring and related charges	$ (0.9)	$ 31.4	$ 0.9