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Securities (Available-For-Sale Securities By Contractual Maturity) (Details) (USD $)
In Millions
Sep. 25, 2011
Securities 
Due in one year or less, amortized cost$ 0.2
Due after one year through three years, amortized cost0.3
Due after three years through ten years, amortized cost1.3
Due after ten years, amortized cost36.2
Total, amortized cost38.0
Due in one year or less, market value0.2
Due after one year through three years, market value0.4
Due after three years through ten years, market value1.4
Due after ten years, market value29.7
Total, market value$ 31.7