Employee Stock Plans - Additional Information (Detail) (USD $)	12 Months Ended															1 Months Ended	12 Months Ended
	Sep. 28, 2012	Sep. 30, 2011	Oct. 01, 2010	Sep. 28, 2012 Stock Options	Sep. 28, 2012 Deferred Stock Units	Sep. 30, 2011 Deferred Stock Units	Oct. 01, 2010 Deferred Stock Units	Sep. 28, 2012 Restricted Stock Units And Restricted Stock	Sep. 30, 2011 Restricted Stock Units And Restricted Stock	Oct. 01, 2010 Restricted Stock Units And Restricted Stock	Sep. 28, 2012 Restricted Stock Restricted Stock Units Deferred Stock Units And Performance Units	Sep. 28, 2012 Restricted Stock, Restricted Stock Units And Deferred Stock Units	Sep. 28, 2012 The Omnibus Plan	Sep. 28, 2012 The Omnibus Plan Maximum Y	Sep. 28, 2012 The 2000 Plan	Feb. 29, 2012 Third Amended 2005 Plan	Sep. 28, 2012 Third Amended 2005 Plan Stock Options awarded before February 16, 2007	Sep. 28, 2012 Third Amended 2005 Plan Stock Options awarded after February 16, 2007	Sep. 28, 2012 Third Amended 2005 Plan Restricted Stock And Restricted Stock Unit Maximum	Sep. 28, 2012 Third Amended 2005 Plan Restricted Stock And Restricted Stock Unit Minimum	Sep. 28, 2012 Third Amended 2005 Plan Deferred Stock Units	Sep. 28, 2012 Third Amended 2005 Plan Deferred Stock Units Minimum	Sep. 28, 2012 Third Amended 2005 Plan Performance Units	Sep. 28, 2012 Employee Stock Purchase Plan	Sep. 30, 2011 Employee Stock Purchase Plan
Employee Stock Plans [Line Items]
Number of shares authorized													20,000,000		12,000,000
Life of stock options														10
Vesting period													Options granted under the Omnibus Plan before November 2000 were generally exercisable in cumulative installments of one third each year, commencing one year following the date of grant. Options granted after November 2000 were exercisable in the following manner: the first one-third one year from the date of grant, with the remainder vesting monthly during the following two-year 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.
Number of shares authorized - Portion																24,950,000
Number of shares authorized description																(a) 24,950,000, 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.
Award expiration period																	10 years	7 years
Award vesting period																			5 years	1 year	1 year	1 year
Award performance period																							3 years
Share-based compensation expense	$ 47,900,000	$ 42,000,000	$ 39,800,000		$ 700,000	$ 700,000	$ 700,000	$ 26,800,000	$ 25,000,000	$ 24,800,000													$ 4,100,000
Tax benefit recognized on share-based compensation expense	15,406,000	14,063,000	14,373,000
Total share-based compensation expense capitalized as part of inventory	3,200,000	2,900,000	400,000
Total pre-tax intrinsic value of options exercised	29,800,000
Unrecognized compensation expense related to outstanding stock awards				9,100,000							28,200,000
Weighted average period unrecognized compensation expense is expected to be recognized, years				1 year 7 months 6 days							1 year 10 months 24 days
Shares vested during the year, number												469,078
Shares vested during the year, fair value												29,400,000
Shares withheld for employees minimum withholding taxes at vesting, number	161,859
Shares withheld for employees minimum withholding taxes at vesting, fair value	10,100,000
Maximum number of shares purchased																								7,000,000
Shares issued, number																								262,660	114,000
Shares issued, value																								$ 13,300,000	$ 6,100,000
Shares available for issuance																								6,600,000