Commitments And Contingencies (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended			12 Months Ended
	Sep. 30, 2015	Jul. 04, 2015	Jan. 01, 2011	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Commitments And Contingencies [Line Items]
Lease expense, net of sublease income				$ 36.9	$ 38.6	$ 38.4
Lease renewal term			10 years
Annual base rent plus operating expenses				$ 7.4
Additional term of lease renewal				10 years
Landlord reimbursements					12.8
Letters of credit and bank guarantees outstanding	$ 4.0			$ 4.0	3.6
Bank guarantees outstanding collateralized	1.1			1.1	$ 0.9
China Matter [Member]
Commitments And Contingencies [Line Items]
Loss contingency accrual	$ 28.2			28.2
Contingencies Disclosure [Text Block]	14.6	13.6
Pending or Threatened Litigation [Member]
Commitments And Contingencies [Line Items]
Loss contingency accrual	$ 30.5			$ 30.5