Income Taxes (Details) $ in Millions		3 Months Ended			6 Months Ended	9 Months Ended
	Apr. 01, 2016 USD ($)	Jun. 24, 2016 USD ($)	Dec. 25, 2015 USD ($)	Jun. 26, 2015 USD ($)	Mar. 25, 2016 USD ($)	Jun. 24, 2016 USD ($)	Jun. 26, 2015 USD ($)	Sep. 25, 2015 USD ($)
Income Taxes [Line Items]
Income tax benefit		$ (89.3)		$ (1.2)		$ (175.0)	$ (45.6)
Income (loss) from continuing operations before income taxes		$ 106.4		$ 54.4		$ 256.9	$ 172.6
Effective tax rate		(83.90%)		(2.20%)		(68.10%)	(26.40%)
Deferred Tax Assets, Valuation Allowance		$ 29.5				$ 29.5
Unrecognized tax benefits		117.8				117.8		$ 89.2
Unrecognized tax benefits, net increase						28.6
Unrecognized tax benefits, net decreases related to prior period tax positions						(10.9)
Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations						(1.8)
Unrecognized tax benefits, additions related to current year tax positions						43.7
Unrecognized tax benefits, decrease related to settlements						(2.4)
Unrecognized tax benefits, which if favorably settled would benefit the effective tax rate		116.1				116.1
Interest accrued on unrecognized tax benefits		21.6				21.6		$ 41.7
Unrecognized tax benefits that would impact effective tax rate, upper bound of change		31.0				31.0
Income tax penalties and interest accrued that would impact effective tax rate, upper bound of change		$ 20.1				$ 20.1
Increase (Decrease) in Effective Tax Rate, Percentage Point		(81.7)				(41.7)
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percentage Point		(21.0)				(11.0)
Effective Income Tax Rate Reconciliation, Tax Credit, Percentage Point		(25.8)				(10.7)
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Percentage Point		(12.4)				(2.5)
Effective Income Tax Rate Reconciliation, Recent Acquisitions, Percentage Point		(22.5)				(17.5)
Effective Income Tax Rate Reconciliation, Change in Operating Income, Percentage Point		(16.0)				(10.8)
Effective Income Tax Rate Reconciliation, Other, Percentage Point		(6.5)				(6.7)
Effective Income Tax Rate Reconciliation, Tax Credit, Other, Amount	$ 27.4
Ikaria, Inc.
Income Taxes [Line Items]
Increase (Decrease) in Deferred Tax Liability, Intangible Assets			$ (537.6)
Increase in deferred tax liability, net due to installment sale note receivable			521.9
Increase (Decrease) in Income Taxes			42.8
Increase in deferred tax charge, due to installment sale			26.0
Increase in prepaid taxes, due to installment sale			1.1
Therakos
Income Taxes [Line Items]
Increase (Decrease) in Deferred Tax Liability, Intangible Assets			(268.5)
Increase in deferred tax liability, net due to installment sale note receivable			251.5
Increase (Decrease) in Income Taxes			17.3
Increase in prepaid taxes, due to installment sale			0.3
Hemostasis Products
Income Taxes [Line Items]
Deferred Tax Assets, Operating Loss Carryforwards		$ 26.1				$ 26.1
Increase (Decrease) in Deferred Tax Liability, Intangible Assets		21.1
Increase (decrease) deferred tax liability, inventory		3.8				3.8
Increase (Decrease) Deferred Tax Asset, Net		0.9
Contrast Media and Delivery Systems
Income Taxes [Line Items]
Discontinued operation, income tax (benefit) expense		$ 0.0	$ (0.7)	$ 4.5	$ (2.2)	$ (2.9)	$ 5.4