Commitments, Contingencies and Guarantees (Details) - USD ($) $ in Millions	3 Months Ended
	Apr. 02, 2020	Dec. 31, 2019	Mar. 28, 2019	Dec. 31, 2018
Commitments Contingencies And Guarantees [Abstract]
Restricted Cash, Noncurrent	$ 16.5	$ 16.4	$ 16.3	$ 20.2
Service warranty roll forward
Product Warranty And Extraordinary Rework	64.7
Charges to costs and expenses	(1.3)
Product Warranty Accrual, Payments	(0.4)
Product Warranty And Extraordinary Rework	65.2
Product Warranty Extraordinary Rework Accrual Currency Translation Increase Decrease	(0.4)
Commitments Contingencies And Guarantees Textuals [Abstract]
Outstanding amount of guarantees	19.0	$ 21.5
Product Liability Accrual, Component Amount	8.1
Product Liability Contingency, Loss Exposure in Excess of Accrual, Best Estimate	$ 12.1