Discontinued Operations and Divestitures (Assets and Liabilities Held-for-Sale) (Details) - USD ($) $ in Millions	Sep. 30, 2016	Sep. 25, 2015
Nuclear Imaging | Discontinued Operations, Held-for-sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Accounts receivable	$ 53.7	$ 58.9
Inventories	19.0	19.7
Property, plant and equipment, net	189.0	198.3
Other current and non-current assets	47.1	41.7
Total assets classified as held for sale in the balance sheet	308.8	318.6
Accounts payable	17.7	16.2
Other current and non-current liabilities	103.1	94.2
Total liabilities classified as held for sale in the balance sheet	120.8	110.4
Contrast Media and Delivery Systems
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Property, plant and equipment, net	0.0
Contrast Media and Delivery Systems | Discontinued Operations, Held-for-sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Accounts receivable	0.0	68.5
Inventories	0.0	86.3
Property, plant and equipment, net		60.3
Intangible assets, net	0.0	27.7
Other current and non-current assets	0.0	57.1
Total assets classified as held for sale in the balance sheet	0.0	299.9
Accounts payable	0.0	22.0
Other current and non-current liabilities	0.0	50.8
Total liabilities classified as held for sale in the balance sheet	$ 0.0	$ 72.8