Goodwill and Intangible Assets - Goodwill (Details) - USD ($) $ in Millions	9 Months Ended
Sep. 28, 2019	Sep. 29, 2018
Goodwill [Roll Forward]
December 31, 2018	$ 3,979.8
Business Acquisitions	327.4
Business Divestitures	(42.2)
Currency Translation Adjustments	(42.1)
September 28, 2019	4,222.9
CSCA
Goodwill [Roll Forward]
December 31, 2018	1,713.7
Business Acquisitions	269.8
Business Divestitures	(42.2)
Currency Translation Adjustments	2.4
September 28, 2019	1,943.7
CSCI
Goodwill [Roll Forward]
December 31, 2018	1,151.3
Business Acquisitions	57.6
Business Divestitures	0.0
Currency Translation Adjustments	(51.9)
September 28, 2019	1,157.0
Accumulated impairments	(868.4)	$ (868.4)
RX
Goodwill [Roll Forward]
December 31, 2018	1,114.8
Business Acquisitions	0.0
Business Divestitures	0.0
Currency Translation Adjustments	7.4
September 28, 2019	$ 1,122.2

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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