Discontinued Operations Discontinued Operations (Assets and Liabilities Held-for-sale) (Details) - Contrast Media and Delivery Systems - Discontinued Operations, Held-for-sale [Member] - USD ($) $ in Millions	Jun. 24, 2016	Sep. 25, 2015
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Accounts receivable, held for sale	$ 0.0	$ 68.5
Inventories, held for sale	0.0	86.3
Property, plant and equipment, net, held for sale	0.0	60.3
Intangible assets, net, held for sale	0.0	27.7
Other current assets and non-current assets, held for sale	0.0	57.1
Total assets classified as held for sale in the balance sheet	0.0	299.9
Accounts payable, held for sale	0.0	22.0
Other current and non-current liabilities, held for sale	0.0	50.8
Total liabilities classified as held for sale in the balance sheet	$ 0.0	$ 72.8