Supplemental Financial Information (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Dec. 28, 2012	Dec. 30, 2011	Sep. 28, 2012
Accumulated Other Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]
Other Comprehensive Income (Loss), Pension Plan Adjustments, net of tax	$ (50.9)		$ (50.3)
Foreign currency translation adjustment, net of tax	19.2		20.4
Cash flow hedges, net of tax	(26.6)		(33.1)
Accumulated Other Comprehensive Income (Loss), Share of Equity Method Investee, Net of Tax	(10.8)		(10.8)
Other Comprehensive Income (Loss), Tax [Abstract]
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Tax	0.3	(0.2)
Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax	4.3	1.3
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Tax	(3.8)	(12.0)
Supplemental Cash Flow Information [Abstract]
Interest payments	42.0	75.8
Income tax payments	$ 25.0	$ 16.6