Discontinued Operations and Divestitures Narrative (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 28, 2018	Sep. 29, 2017	Sep. 28, 2018	Sep. 29, 2017	Mar. 16, 2018	Mar. 17, 2017	Jan. 27, 2017
Nuclear Imaging
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Capital Expenditure, Discontinued Operations				$ 0.3
Disposal Group, Including Discontinued Operation, Consideration							$ 690.0
Disposal Group, Including Discontinued Operation, Upfront Consideration							574.0
Disposal group, Including Discontinued Operation, Contingent Consideration Maximum Amount							$ 77.0
Gain (loss) on divestiture of discontinued operations		$ (0.6)		362.8
Discontinued operation, income tax (benefit) expense		(0.1)		5.2
Discontinued Operation, Tax Effect of Gain (Loss) from Disposal of Discontinued Operation				4.3
Income from discontinued operations		0.0	$ 15.0	8.4
Other Tax Expense (Benefit)				0.9
(Loss) income from discontinued operations, before income taxes		(0.6)		371.2
Contingent Consideration Received, Cash, Discontinued Operation			6.0
Contingent consideration received, equity certificates			9.0
Income tax expense on contingent consideration received, discontinued operations			1.5
Discontinued Operation, Income (Loss) from Discontinued Operation During Phase-out Period, Net of Tax			13.5
Hemostasis Products
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Including Discontinued Operation, Upfront Consideration					$ 153.0
Disposal Group, Not Discontinued Operation, Consideration					185.0
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal			(0.6)
Goodwill, Period Increase (Decrease)			(51.5)
Disposal Group, Not Discontinued Operations, Account Receivable Consideration					13.7
Disposal Group, Including Discontinued Operation, Intangible Assets, Noncurrent					49.9
Disposal Group, Not Discontinued Operation, Contingent Consideration					$ (12.1)
Intrathecal Therapy
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Not Discontinued Operation, Consideration						$ 203.0
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal		(0.4)		56.6
Proceeds from Collection of Notes Receivable			154.0
Disposal Group, Not Discontinued Operation, Upfront Consideration						17.0
Disposal Group, Not Discontinued Operation, Note Receivable Consideration						154.0
Disposal Group, Not Discontinued Operation, Contingent Consideration						32.0
Disposal Group, Not Discontinued Operation, Fixed Consideration						171.0
Disposal Group, Not Discontinued Operations, Other Commitment	$ 3.1		3.1			$ 7.3
Specialty Generics Disposal Group
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Capital Expenditure, Discontinued Operations	5.9	11.1	21.7	41.7
Discontinued operation, income tax (benefit) expense	2.3	26.6	18.1	42.6
(Loss) income from discontinued operations, before income taxes	$ 13.5	$ 37.8	$ 82.7	179.8
Other Intangible Assets | Intrathecal Therapy
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal				48.7
Goodwill | Intrathecal Therapy
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal				$ 49.8