Schedule of Income Taxes Current and Deferred (Detail) (USD $)	12 Months Ended
	Sep. 28, 2012	Sep. 30, 2011	Oct. 01, 2010
Components Of Income Tax Expense Benefit [Line Items]
Current Provision, Federal	$ 99,300,000	$ 80,400,000	$ 69,100,000
Current Provision, State and Local	8,500,000	11,700,000	15,500,000
Current Provision, Foreign	63,500,000	52,700,000	50,700,000
Total Current Provision	171,300,000	144,800,000	135,300,000
Deferred Provision (Benefit), Federal	(4,500,000)	32,900,000	27,200,000
Deferred Provision (Benefit), State and Local	100,000	6,000,000	2,800,000
Deferred Provision (Benefit), Foreign	2,000,000	(3,600,000)	100,000
Total Deferred Provision (Benefit)	(2,349,000)	35,230,000	30,111,000
Taxes on earnings	$ 168,875,000	$ 180,084,000	$ 165,444,000