Note 1 - Basis of Presentation (Details Textual) - USD ($) $ in Thousands	3 Months Ended
Mar. 02, 2019	Feb. 24, 2018
Net Cash Provided by (Used in) Operating Activities, Total	$ (15,734)	$ (996)
Net Cash Provided by (Used in) Investing Activities, Total	(5,435)	(19,995)
Net Cash Provided by (Used in) Financing Activities, Total	$ (2,313)	(8,648)
Reclassification Of Investments in Company-owned Life Insurance Due to ASU 2016-15 [Member]
Net Cash Provided by (Used in) Operating Activities, Total		481
Net Cash Provided by (Used in) Investing Activities, Total		(481)
Reclassification Representing Portion of Debt Payment Attributable to Discount Accretion Due to ASU 2016-15 [Member]
Net Cash Provided by (Used in) Operating Activities, Total		(78)
Net Cash Provided by (Used in) Financing Activities, Total		$ 78

Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.

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Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.

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Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.

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