Note 13 - Fair Value Measurements - Contingent Consideration (Details) - D.H.M Adhesives, Inc [Member] $ in Thousands	12 Months Ended
Nov. 28, 2020 USD ($)
Level 3 balance at beginning of year	$ 0
Acquisition	5,000
Mark to market adjustment	800
Level 3 balance at end of year	$ 5,800

Amount of liabilities incurred by the acquirer as part of consideration transferred in a business combination.

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