SCHEDULE II VALUATION AND QUALIFYING ACCOUNTS (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 29, 2012	Sep. 24, 2011	Sep. 25, 2010
Allowance for Doubtful Accounts [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Period	$ 6,960	$ 5,403	$ 4,374
Charged (Credited) to Costs and Expenses	838	5,598	5,141
Other Additions	0	0	0
Deductions	(3,451)	(4,041)	(4,112)
Balance at End of Period	4,347	6,960	5,403
Valuation Allowance of Deferred Tax Assets [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Period	40,202	40,656	45,462
Charged (Credited) to Costs and Expenses	(8,990)	(454)	(4,806)
Other Additions	0	0	0
Deductions	0	0	0
Balance at End of Period	$ 31,212	$ 40,202	$ 40,656