Acquisitions - Advanced Sterilization Products Assets Acquired and Liabilites Assumed (Details) - USD ($) $ in Millions		6 Months Ended
	Apr. 01, 2019	Jun. 28, 2019	Dec. 31, 2018
Business Acquisition [Line Items]
Goodwill		$ 7,750.9	$ 6,133.1
Acquisitions, ASP
Business Acquisition [Line Items]
Inventory		164.2
Property, plant and equipment		45.2
Goodwill		1,299.9
Other intangible assets, primarily customer relationships, trade names and technology		1,149.0
Other assets and liabilities, net		63.4
Total consideration allocated to Principal Countries		2,594.9
Prepaid acquisition asset related to Non-Principal Countries		105.1
Net cash consideration	$ 2,700.0	$ 2,700.0