Discontinued Operations Discontinued Operations (Significant Cash and Non-Cash Transactions) (Details) - USD ($) $ in Millions	3 Months Ended
	Dec. 30, 2016	Dec. 25, 2015
Nuclear Imaging
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Depreciation, Discontinued Operations	$ 0.0	$ 6.6
Capital Expenditure, Discontinued Operations	2.0	1.9
Contrast Media and Delivery Systems
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Depreciation, Discontinued Operations	0.0	0.0
Amortization, Discontinued Operations	0.0	0.0
Capital Expenditure, Discontinued Operations	$ 0.0	$ 1.6