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Note 8 - Financial Instruments, Investments and Fair Value Measurements (Detail) - Reconciliation of all assets measured at fair value on a recurring basis (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Nov. 24, 2012
Balance at November 26, 2011	$ 806
Total gains (losses) included in earnings related to change in underlying net assets	$ (806)

This element represents the total fair market value of investments in certain entities that calculate net asset value per share (including by unit, membership interest, or other equity (ownership interest) unit measure) (alternative investments). This element is intended to be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements, but may also be used in both the balance sheet and disclosure in the same submission. This item represents alternative investments as of the balance sheet date which may include investments in certain hedge funds, venture capital funds, private equity funds, real estate partnerships or funds, and any other investment in which investee management calculates net asset value per share as the primary metric for investment value.

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