Acquisitions - Advanced Sterilization Products Assets Acquired and Liabilites Assumed (Details) - USD ($) $ in Millions		9 Months Ended
	Apr. 01, 2019	Sep. 27, 2019	Dec. 31, 2018
Business Acquisition [Line Items]
Goodwill		$ 7,995.5	$ 6,133.1
Acquisitions, ASP
Business Acquisition [Line Items]
Inventories		168.8
Property, plant and equipment		45.2
Goodwill		1,385.2
Other intangible assets, primarily customer relationships, trade names and technology		1,126.5
Other assets and liabilities, net		90.3
Total consideration allocated to Principal Countries		2,635.4
Prepaid acquisition asset related to Non-Principal Countries		64.6
Net cash consideration	$ 2,700.0	$ 2,700.0