Property, Plant and Equipment (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Sep. 30, 2016	Sep. 25, 2015	Sep. 26, 2014
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 1,615.7	$ 1,492.4
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment	771.7	699.4
Depreciation	$ 113.3	$ 90.8	$ 76.7
Weighted Average Cost of Capital, Rate			8.00%
Property, Plant and Equipment
Property, Plant and Equipment [Line Items]
Impairment of long-lived assets			$ 65.9
Finite-lived intangible ssets
Property, Plant and Equipment [Line Items]
Impairment of long-lived assets			52.4
Contrast Media and Delivery Systems | Property, Plant and Equipment
Property, Plant and Equipment [Line Items]
Impairment of Long-Lived Assets to be Disposed of			51.4
Contrast Media and Delivery Systems | Finite-lived intangible ssets
Property, Plant and Equipment [Line Items]
Impairment of Long-Lived Assets to be Disposed of			$ 52.4