Employee Stock Plans (Narrative) (Details) (USD $)	12 Months Ended
	Sep. 30, 2011	Oct. 01, 2010	Oct. 02, 2009
Employee Stock Plans [Line Items]
Share-based compensation expenses	$ 42,000,000	$ 39,800,000	$ 42,600,000
Tax benefit recognized on share-based compensation expense	14,063,000	14,373,000	13,796,000
Share-based compensation expense capitalized as part of inventory	2,900,000	400,000	1,500,000
Total pre-tax intrinsic value of options exercised	87,000,000
Shares withheld for employees minimum withholding taxes at vesting, number	214,826
Shares withheld for employees minimum withholding taxes at vesting, fair value	14,800,000
The Omnibus Plan [Member]
Employee Stock Plans [Line Items]
Number of shares authorized	20,000,000
Vesting period	the first one-third one year from the date of grant, with the remainder vesting monthly during the following two-year period.
Life of stock options	no later than ten years from the grant date
The 2000 Plan [Member]
Employee Stock Plans [Line Items]
Number of shares authorized	12,000,000
Vesting period	the first one-third of the option shares one year from the date of grant, with the remainder vesting monthly during the following two-year period.
The Second Amended 2005 Plan [Member]
Employee Stock Plans [Line Items]
Number of shares authorized - Portion	18,950,000
Number of shares authorized description	(a) 18,950,000, plus (b) the number of shares authorized for issuance, but never issued, under the Omnibus Plan and the 2000 Plan, plus (c) the number of shares subject to awards previously granted under the Omnibus Plan and 2000 Plan that terminate, expire, or lapse, plus (d) amounts granted in substitution of options in connection with certain transactions
The Second Amended 2005 Plan [Member] | Stock Option [Member]
Employee Stock Plans [Line Items]
Vesting period	(i) immediately for directors and (ii) generally over 3 years for others.
Life of stock options	10 years for grants on or prior to February 16, 2007 and 7 years for grants after February 16, 2007.
The Second Amended 2005 Plan [Member] | Restricted Stock Units And Restricted Stock [Member]
Employee Stock Plans [Line Items]
Vesting period	one to five years
The Second Amended 2005 Plan [Member] | Deferred Stock Units [Member]
Employee Stock Plans [Line Items]
Vesting period	not less than one year
Stock Option [Member]
Employee Stock Plans [Line Items]
Unrecognized compensation expense related to outstanding stock awards	7,400,000
Weighted-average period unrecognized compensation expense is expected to be recognized, years	1.5
Restricted Stock Units And Restricted Stock [Member]
Employee Stock Plans [Line Items]
Share-based compensation expenses	25,000,000	24,800,000	15,900,000
Deferred Stock Units [Member]
Employee Stock Plans [Line Items]
Share-based compensation expenses	700,000	700,000	700,000
Restricted Stock, Restricted Stock Units And Deferred Stock Units [Member]
Employee Stock Plans [Line Items]
Unrecognized compensation expense related to outstanding stock awards	18,600,000
Weighted-average period unrecognized compensation expense is expected to be recognized, years	1.8
Shares vested during the year, number	589,832
Shares vested during the year, fair value	40,700,000
Employee Stock Purchase Plan [Member]
Employee Stock Plans [Line Items]
Maximum number of shares purchased	7,000,000
Shares issued, number	114,000		472,000
Shares issued, value	$ 6,100,000		$ 12,100,000
Shares available for issuance	6,900,000