Related Party Transactions (Details) (Interest rate swap agreements, Swap) In Millions, unless otherwise specified	12 Months Ended				12 Months Ended
	Sep. 28, 2012 GS Capital Partners USD ($)	Sep. 30, 2011 GS Capital Partners USD ($)	Oct. 01, 2010 GS Capital Partners USD ($)	Sep. 30, 2011 GS Capital Partners JPY (¥)	Sep. 28, 2012 J.P. Morgan Partners USD ($)	Sep. 30, 2011 J.P. Morgan Partners USD ($)	Oct. 01, 2010 J.P. Morgan Partners USD ($)
Related Party Transaction [Line Items]
Notional amount of derivative	$ 96.0	$ 766.0		¥ 5,000.0	$ 221.0	$ 1,071.0
Net payments to related party for interest rate swap transactions	$ 21.5	$ 40.1	$ 51.3		$ 28.2	$ 51.6	$ 54.9