Segment Reporting (Components Of Financial Information For Reportable Operating Segments And Other) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Mar. 31, 2013	Apr. 01, 2012	Mar. 31, 2013	Apr. 01, 2012
Segment Reporting Information [Line Items]
Depreciation and amortization expenses	$ 153.1	$ 137.1	$ 302.0	$ 271.9
Income from equity investees	52.5	52.2	107.0	97.1
Operating income/(loss)	544.1	430.4	1,174.6	986.4
Americas [Member]
Segment Reporting Information [Line Items]
Total net revenues	2,604.1	2,374.7	5,444.7	4,953.2
Depreciation and amortization expenses	105.6	97.2	211.0	194.3
Income from equity investees	2.4	2.1	2.4	2.1
Operating income/(loss)	549.7	449.5	1,139.8	998.3
EMEA [Member]
Segment Reporting Information [Line Items]
Total net revenues	273.2	272.4	579.3	575.6
Depreciation and amortization expenses	13.7	14.3	27.9	28.5
Income from equity investees	0	0	0	0.3
Operating income/(loss)	5.2	(7.0)	27.5	11.9
China And Asia Pacific [Member]
Segment Reporting Information [Line Items]
Total net revenues	213.6	174.6	427.7	341.5
Depreciation and amortization expenses	8.5	5.6	15.9	10.6
Income from equity investees	30.8	32.9	64.9	60.5
Operating income/(loss)	68.3	68.2	140.4	125.6
Channel Development [Member]
Segment Reporting Information [Line Items]
Total net revenues	343.5	321.5	723.4	657.3
Depreciation and amortization expenses	0.3	0.3	0.6	0.7
Income from equity investees	19.3	17.2	39.7	34.2
Operating income/(loss)	94.1	79.5	191.0	157.3
All Other Segments [Member]
Segment Reporting Information [Line Items]
Total net revenues	121.5	52.7	180.3	104.2
Depreciation and amortization expenses	3.4	0.6	4.3	1.0
Income from equity investees	0	0	0	0
Operating income/(loss)	(4.1)	(6.7)	(8.2)	(9.5)
Reportable Segment [Member]
Segment Reporting Information [Line Items]
Total net revenues	3,555.9	3,195.9	7,355.4	6,631.8
Depreciation and amortization expenses	131.5	118.0	259.7	235.1
Income from equity investees	52.5	52.2	107.0	97.1
Operating income/(loss)	$ 713.2	$ 583.5	$ 1,490.5	$ 1,283.6