Business and Recent Accounting Pronouncements - Restructuring Charges and Liability (Details) - 2020 Restructuring Plan - USD ($) $ in Millions	3 Months Ended	9 Months Ended
	Sep. 26, 2020	Sep. 26, 2020
Restructuring Reserve [Roll Forward]
Balance at December 28, 2019		$ 0.0
Charges to Costs and Expenses	$ 0.3	9.2
Cash Payments		(6.2)
Balance at September 26, 2020	3.0	3.0
North America
Restructuring Reserve [Roll Forward]
Balance at December 28, 2019		0.0
Charges to Costs and Expenses	0.3	2.6
Cash Payments		(2.6)
Balance at September 26, 2020	0.0	0.0
Rest of World
Restructuring Reserve [Roll Forward]
Balance at December 28, 2019		0.0
Charges to Costs and Expenses	0.0	6.6
Cash Payments		(3.6)
Balance at September 26, 2020	$ 3.0	$ 3.0