Discontinued Operations and Divestitures Narrative (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2017	Mar. 25, 2016	Jan. 30, 2017	Jan. 27, 2017	Nov. 27, 2015
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Discontinued operation, (loss) income from discontinued operations, net of tax	$ (370.3)	$ (19.8)
Nuclear Imaging
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Discontinued operation, income tax (benefit) expense	(5.4)	(10.2)
Discontinued Operation, Tax Effect of Gain (Loss) from Disposal of Discontinued Operation	1.1
Disposal Group, Including Discontinued Operation, Consideration				$ 690.0
Disposal Group, Including Discontinued Operations, Net Sales	31.6	102.2
Discontinued operation, (loss) income from discontinued operations, net of tax	(372.3)	(21.8)
Income from discontinued operations	8.4	32.0
Gain on divestiture of discontinued operations	369.3	0.0
Other Tax Expense	4.3
Disposal Group, Including Discontinued Operation, Upfront Consideration				574.0
Disposal Group, Including Discontinued Operation, Contingent Consideration Maximum Amount				$ 77.0
Contrast Media and Delivery Systems
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Discontinued operation, income tax (benefit) expense		0.2
Disposal Group, Including Discontinued Operation, Consideration					$ 270.0
Disposal Group, Including Discontinued Operations, Net Sales		1.1
Discontinued operation, (loss) income from discontinued operations, net of tax		$ 1.7
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	(59.1)
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			$ 7.3
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