Employee Stock Plans (Stock Option and RSU Transactions) (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Jun. 29, 2014
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options outstanding, September 29, 2013, Stock Options	22.0
Granted, Stock Options	3.1
Options exercised, Stock Options	(4.1)
Forfeited/expired, Stock Options	(0.4)
Options outstanding, June 29, 2014, Stock Options	20.6
Total unrecognized stock-based compensation expense, net of estimated forfeitures, as of June 29, 2014, Stock Options	$ 43.6
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Nonvested RSUs, September 29, 2013, RSUs	5.8
Granted, RSUs	2.5
RSUs vested, RSUs	(2.5)
Forfeited/expired, RSUs	(0.6)
Nonvested RSUs, June 29, 2014, RSUs	5.2
Total unrecognized stock-based compensation expense, net of estimated forfeitures, as of June 29, 2014, RSUs	$ 126.7