Discontinued Operations and Divestitures (Assets and Liabilities Held-for-Sale) (Details) - Contrast Media and Delivery Systems - Discontinued Operations, Held-for-sale - USD ($) $ in Millions	Sep. 25, 2015	Sep. 26, 2014
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Accounts receivable	$ 68.5	$ 68.9
Inventories	86.3	90.2
Property, plant and equipment, net	60.3	62.4
Intangible assets, net	27.7	30.0
Other current and non-current assets	57.1	60.5
Total assets classified as held for sale in the balance sheet	299.9	312.0
Accounts payable	22.0	18.0
Other current and non-current liabilities	50.8	50.7
Total liabilities classified as held for sale in the balance sheet	$ 72.8	$ 68.7