Stockholders' Equity (Share Repurchase) (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended			0 Months Ended	12 Months Ended
	Oct. 03, 2014	Sep. 27, 2013	Sep. 28, 2012	Nov. 11, 2014 Subsequent Event [Member]	Oct. 03, 2014 FY2013 $250 Milliion Share Repurchase Program [Member]	Sep. 27, 2013 FY2013 $250 Milliion Share Repurchase Program [Member]	Jul. 16, 2013 FY2013 $250 Milliion Share Repurchase Program [Member]
Share Repurchase [Line Items]
Payments for Repurchase of Common Stock	$ 165.7	$ 184.9	$ 12.4		$ 165.7	$ 184.9
Share repurchase program (in shares)					4.5	8.1
Treasury Stock Acquired, Average Cost Per Share					$ 36.46	$ 22.75
Stock Repurchase Program, Remaining Authorized Repurchase Amount					63.9
Stock Repurchase Initiation Date				Nov. 11, 2014
Stock Repurchase Program, Authorized Amount				$ 300.0			$ 250.0