Employee Stock Plans (Stock Option And RSU Transactions) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Dec. 29, 2013
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options outstanding, September 29, 2013, Stock Option	22.0
Granted, Stock Option	2.8
Options exercised, Stock Option	(2.2)
Forfeited/expired, Stock Option	(0.1)
Options outstanding, December 29, 2013, Stock Option	22.5
Total unrecognized stock-based compensation expense, net of estimated forfeitures, as of December 29, 2013	$ 59.5
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	2.3
RSUs vested, RSUs	(2.4)
Forfeited/expired, RSUs	(0.1)
Nonvested RSUs, December 29, 2013, RSUs	5.6
Total unrecognized stock-based compensation expense, net of estimated forfeitures, as of December 29, 2013	$ 184.2