Income Taxes (Narrative) (Details) (USD $)	12 Months Ended
	Sep. 24, 2011	Sep. 25, 2010
Income Taxes
Operating loss carryforwards	$ 21,000,000
Operating loss carryforwards, expiration date	2029
U.S. Federal Statutory rate	35.00%
Capital loss carryforwards	26,500,000
Capital loss carryforwards expiration date	2014
Capital loss carryforwards valuation allowance	6,200,000
Valuation allowance against the remaining federal and state capital loss carryforwards	26,500,000
Unrecognized tax benefits	24,419,000	5,480,000
Unrecognized tax benefits that would impact effective tax rate	16,800,000
Amount of indemnification receivable recognized	16,500,000
Undistributed earnings	$ 42,400,000