Equity (Components Of Accumulated Other Comprehensive Income, Net Of Tax) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Mar. 27, 2016	Mar. 29, 2015	Mar. 27, 2016	Mar. 29, 2015
Accumulated Other Comprehensive Income (Loss) [Line Items]
Net gains/(losses) in AOCI at beginning of period			$ (199.4)
Other comprehensive income/(loss)	$ 35.9	$ 11.9	10.2	$ (142.2)
Net gains/(losses) in AOCI at end of period	(189.2)		(189.2)
Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Net gains/(losses) in AOCI at beginning of period	(225.1)	(97.0)	(199.4)	25.3
Net gains/(losses) recognized in OCI before reclassifications	12.7	8.3	(8.0)	(72.1)
Net (gains)/losses reclassified from AOCI to earnings	23.2	3.6	18.2	(39.0)
Other comprehensive income/(loss)	35.9	11.9	10.2	(111.1)
Purchase of noncontrolling interests		(31.8)		(31.1)
Net gains/(losses) in AOCI at end of period	(189.2)	(116.9)	(189.2)	(116.9)
Available-for-sale Securities [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Net gains/(losses) in AOCI at beginning of period	0.8	(0.9)	(0.1)	(0.4)
Net gains/(losses) recognized in OCI before reclassifications	2.4	1.7	3.0	1.3
Net (gains)/losses reclassified from AOCI to earnings	(0.3)	(0.4)	0.0	(0.5)
Other comprehensive income/(loss)	2.1	1.3	3.0	0.8
Purchase of noncontrolling interests		0.0		0.0
Net gains/(losses) in AOCI at end of period	2.9	0.4	2.9	0.4
Cash Flow Hedging [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Net gains/(losses) in AOCI at beginning of period	23.4	32.9	25.6	46.3
Net gains/(losses) recognized in OCI before reclassifications	(50.7)	9.7	(47.6)	48.5
Net (gains)/losses reclassified from AOCI to earnings	23.5	4.0	18.2	(48.2)
Other comprehensive income/(loss)	(27.2)	13.7	(29.4)	0.3
Purchase of noncontrolling interests		0.0		0.0
Net gains/(losses) in AOCI at end of period	(3.8)	46.6	(3.8)	46.6
Net Investment Hedging [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Net gains/(losses) in AOCI at beginning of period	1.3	1.3	1.3	3.2
Net gains/(losses) recognized in OCI before reclassifications	0.0	0.0	0.0	2.7
Net (gains)/losses reclassified from AOCI to earnings	0.0	0.0	0.0	(4.6)
Other comprehensive income/(loss)	0.0	0.0	0.0	(1.9)
Purchase of noncontrolling interests		0.0		0.0
Net gains/(losses) in AOCI at end of period	1.3	1.3	1.3	1.3
Translation Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Net gains/(losses) in AOCI at beginning of period	(250.6)	(130.3)	(226.2)	(23.8)
Net gains/(losses) recognized in OCI before reclassifications	61.0	(3.1)	36.6	(124.6)
Net (gains)/losses reclassified from AOCI to earnings	0.0	0.0	0.0	14.3
Other comprehensive income/(loss)	61.0	(3.1)	36.6	(110.3)
Purchase of noncontrolling interests		(31.8)		(31.1)
Net gains/(losses) in AOCI at end of period	$ (189.6)	$ (165.2)	$ (189.6)	$ (165.2)