Note 5 - Goodwill and Other Intangible Assets (Details Textual) - USD ($) $ in Thousands	12 Months Ended
Dec. 01, 2018	Dec. 02, 2017	Dec. 03, 2016
Amortization of Intangible Assets, Total	$ 76,490	$ 36,243	$ 28,495
Indefinite Lived Trademarks and Trade Names	$ 493	$ 520

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
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