Business and Recent Accounting Pronouncements - Restructuring Charges and Liability (Details) - 2020 Restructuring Plan - USD ($) $ in Millions	3 Months Ended	6 Months Ended
	Jun. 27, 2020	Jun. 27, 2020
Restructuring Reserve [Roll Forward]
Balance at December 28, 2019		$ 0.0
Charges to Costs and Expenses	$ 8.9	8.9
Cash Payments		(3.1)
Balance at June 27, 2020	5.8	5.8
North America
Restructuring Reserve [Roll Forward]
Balance at December 28, 2019		0.0
Charges to Costs and Expenses	2.3	2.3
Cash Payments		(2.3)
Balance at June 27, 2020	0.0	0.0
Rest of World
Restructuring Reserve [Roll Forward]
Balance at December 28, 2019		0.0
Charges to Costs and Expenses	6.6	6.6
Cash Payments		(0.8)
Balance at June 27, 2020	$ 5.8	$ 5.8