VALUATION AND QUALIFYING ACCOUNTS (Detail) (USD $) In Thousands	12 Months Ended
	Oct. 02, 2011	Oct. 03, 2010	Sep. 27, 2009
Allowance for Doubtful Accounts
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at beginning of period	$ 1,978	$ 2,302	$ 1,731
Charged to costs and expenses	690	425	712
Deductions- recoveries and write-offs	(519)	(749)	(141)
Balance at end of period	2,149	1,978	2,302
Tax Valuation Allowance
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at beginning of period	37,604	53,220	13,831
Charged to costs and expenses	(21,604)	(15,616)	39,389
Charged to other accounts	2,086
Balance at end of period	$ 18,086	$ 37,604	$ 53,220