Goodwill and Intangible Assets - Goodwill (Details) - USD ($) $ in Millions		3 Months Ended
		Mar. 28, 2020	Dec. 31, 2019
Goodwill [Roll Forward]
December 31, 2019		$ 4,116.7
Purchase accounting adjustments		0.0
Currency translation adjustments		(26.7)
March 28, 2020		4,090.0
CSCA
Goodwill [Roll Forward]
December 31, 2019		1,899.1
Purchase accounting adjustments		(10.8)
Currency translation adjustments		(5.7)
March 28, 2020		1,882.6
CSCI
Goodwill [Roll Forward]
December 31, 2019	[1]	1,203.7
Purchase accounting adjustments	[1]	10.8
Currency translation adjustments	[1]	(17.8)
March 28, 2020	[1]	1,196.7
Accumulated impairments		(868.4)	$ (868.4)
RX
Goodwill [Roll Forward]
December 31, 2019	[2]	1,013.9
Purchase accounting adjustments	[2]	0.0
Currency translation adjustments	[2]	(3.2)
March 28, 2020	[2]	1,010.7
Accumulated impairments		$ (109.2)	$ (109.2)

[1] We had accumulated goodwill impairments of $868.4 million as of December 31, 2019 and March 28, 2020.

[2] We had accumulated goodwill impairments of $109.2 million as of December 31, 2019 and March 28, 2020.