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Investments (Summary Of Short-Term Investments) (Details) (USD $) In Thousands, unless otherwise specified	Oct. 29, 2011	Oct. 30, 2010
Schedule of Available-for-sale Securities [Line Items]
Fair Value	$ 774	$ 1,998
Corporate Bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	774	1,998
Fair Value	$ 774	$ 1,998

This item represents the cost of debt and equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any.

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