Investments (Details) - USD ($) $ in Millions		3 Months Ended
		Mar. 28, 2020	Mar. 30, 2019	Dec. 31, 2019
Other (income) expense, net
Schedule of Equity Method Investments [Line Items]
Equity securities, fair value method, other expense (income)		$ 2.9	$ 6.1
Equity securities, equity method, other expense (income)		(0.7)	$ (0.7)
Prepaid expenses and other current assets
Schedule of Equity Method Investments [Line Items]
Equity securities, fair value method		3.7		$ 6.6
Other non-current assets
Schedule of Equity Method Investments [Line Items]
Equity securities, fair value method	[1]	2.3		2.3
Equity securities, equity method, other non-current assets		$ 18.5		$ 17.8

[1] (1) Measured at fair value using the Net Asset Value practical expedient.