Discontinued Operations Narrative (Details) - USD ($) $ in Millions	3 Months Ended
	Dec. 30, 2016	Dec. 25, 2015	Aug. 24, 2016	Nov. 27, 2015
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount		$ (45.1)
Discontinued operation, (loss) income from discontinued operations, net of tax	$ 23.6	107.3
Nuclear Imaging
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Discontinued operation, income tax (benefit) expense	15.3	5.2
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount	4.4	1.9
Disposal Group, Including Discontinued Operation, Consideration			$ 690.0
Discontinued operation, (loss) income from discontinued operations, net of tax	22.8	12.1
Discontinued operation, income (loss) from discontinued operation before tax phase out period	38.1	17.3
Increase (Decrease) in Accrued Liabilities	3.3
Other Tax Expense (Benefit)	0.1	0.2
Current Foreign Tax Expense (Benefit)	15.8	5.6
Deferred Foreign Income Tax Expense (Benefit)	0.5	0.4
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	0.0	(2.7)
Discontinued Operation, Tax Effect of Gain (Loss) from Disposal of Discontinued Operation		(0.7)
Disposal Group, Including Discontinued Operation, Consideration				$ 270.0
Discontinued operation, (loss) income from discontinued operations, net of tax	0.0	94.8
Discontinued operation, income (loss) from discontinued operation before tax phase out period	0.0	(4.9)
Discontinued operation, gain (loss) on disposal of discontinued operation, before income tax	$ 0.0	97.0
Other Tax Expense (Benefit)		$ (2.0)