Investments (Details) - USD ($) $ in Millions		3 Months Ended
		Apr. 03, 2021	Mar. 28, 2020	Dec. 31, 2020
Other (income) expense, net
Schedule of Equity Method Investments [Line Items]
Equity securities, fair value method, other expense (income)		$ 0.0	$ 2.9
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		2.9		$ 2.5
Other non-current assets
Schedule of Equity Method Investments [Line Items]
Equity securities, fair value method	[1]	1.5		1.9
Equity securities, equity method, other non-current assets		$ 69.1		$ 69.8

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