Income Taxes (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended					0 Months Ended	9 Months Ended
	Jun. 28, 2013	Jun. 29, 2012	Jun. 28, 2013	Jun. 29, 2012	Sep. 28, 2012	Sep. 28, 2012 Pre-Separation	Sep. 28, 2012 Pre-Separation Other Income Tax Liabilities	Jun. 28, 2013 Post-Separation	Jun. 28, 2013 Post-Separation CNS Therapeutics, Inc.
Operating Loss Carryforwards [Line Items]
Provision for income taxes	$ 19.8	$ 24.4	$ 55.9	$ 73.8
Income from continuing operations before income taxes	(7.9)	59.5	82.5	187.8
Effective income tax rate , percent	(250.60%)	41.00%	67.80%	39.30%
Unrecognized tax benefits						165.5	13.4	97.6
Unrecognized tax benefit transferred from Covidien								84.2
Unrecognized tax benefits, which if favorably settled would benefit the effective tax rate								93.8
Interest accrued on unrecognized tax benefits						33.9	7.9	59.7
Increase in accrued interest from unrecognized tax benefit on income taxes accrued due to spin-off								51.8
Unrecognized tax benefits and the accrued interest on the unrecognized tax benefits, current								29.8
Deferred income taxes	140.6		140.6		119.9	119.9		140.6
Increase in deferred income taxes due to transfer from Covidien, current								15.8
Deferred income taxes, non current	241.1		241.1		73.7	73.7		241.1
Increase in deferred income taxes due to transfer from Covidien, non current								126.8
Increase in deferred income taxes due to acquisition									$ 27.1