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Note 4. Schedule of fair value of Investments (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Sep. 24, 2014
Sep. 25, 2013
Notes to Financial Statements    
Cost $ 21,439 $ 50,884
Gross unrealized gains 129 34,595
Gross unrealized losses (45) 0
Fair value $ 21,523 $ 85,479