Segment Information - Operations in Geographical Areas (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 27, 2019	Jun. 28, 2019	Mar. 29, 2019	Dec. 31, 2018	Sep. 28, 2018	Jun. 29, 2018	Mar. 30, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Revenues from External Customers and Property, Plant and Equipment, Net [Line Items]
Sales	$ 2,002.4	$ 1,860.0	$ 1,864.7	$ 1,592.9	$ 1,757.5	$ 1,601.2	$ 1,601.8	$ 1,492.2	$ 7,320.0	$ 6,452.7	$ 5,756.1
Property, plant and equipment, net	519.5				576.1				519.5	576.1	610.4
United States
Revenues from External Customers and Property, Plant and Equipment, Net [Line Items]
Sales									4,206.5	3,539.6	3,148.7
Property, plant and equipment, net	414.8				464.9				414.8	464.9	483.0
China
Revenues from External Customers and Property, Plant and Equipment, Net [Line Items]
Sales									592.0	569.0	498.4
All other (each country individually less than 5% of total sales)
Revenues from External Customers and Property, Plant and Equipment, Net [Line Items]
Sales									2,521.5	2,344.1	2,109.0
All other (each country individually less than 5% of total property, plant and equipment, net)
Revenues from External Customers and Property, Plant and Equipment, Net [Line Items]
Property, plant and equipment, net	$ 104.7				$ 111.2				$ 104.7	$ 111.2	$ 127.4