Note 9 - Accounting for Share-based Compensation (Details Textual) - USD ($) $ in Thousands	12 Months Ended
Dec. 03, 2022	Nov. 27, 2021	Nov. 28, 2020
Fair Value Options Granted During Period Value Share-based Compensation	$ 5,400	$ 17,250	$ 10,132
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period, Intrinsic Value	$ 16,877	15,261	6,563
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term (Year)	6 years 1 month 17 days
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value	$ 144,265
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Number (in shares)	3,311,412
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term (Year)	5 years 1 month 20 days
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Intrinsic Value	$ 111,209
Proceeds, Issuance of Shares, Share-Based Payment Arrangement, Including Option Exercised, Total	30,122	32,325	12,321
Share-Based Payment Arrangement, Exercise of Option, Tax Benefit	3,687	$ 3,874	$ 1,278
Total Fair Value of Nonvested Restricted Stock	$ 28,967
Repurchased Restricted Stock Shares (in shares)	55,081	50,799	70,380
Selling, General and Administrative Expenses [Member]
Share-Based Payment Arrangement, Expense	$ 24,368	$ 22,366	$ 16,914
Non Employee Directors [Member]
Deferred Compensation Plan, Matching Percentage	10.00%
Deferred Compensation Arrangement with Individual, Discretionary Awards, Employer Contribution Units Paid (in shares)	17,937	18,814	21,323
Deferred Compensation Arrangement with Individual, Employer Matches Contribution Fair Value	$ 172	$ 163	$ 128
Deferred Compensation Arrangement with Individual, Discretionary Awards Employer Contribution, Fair Value	$ 1,080	1,215	920
Employees [Member]
Deferred Compensation Plan, Matching Percentage	10.00%
Deferred Compensation Arrangement with Individual, Employer Matches Contribution Fair Value	$ 86	61	56
2020 Master Incentive Plan [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant (in shares)	1,268,608
Share-Based Payment Arrangement, Option [Member]
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total	$ 6,906
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)	8 months 12 days
Share-Based Payment Arrangement, Option [Member] \| Share-Based Payment Arrangement, Tranche One [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year)	1 year
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage	33.30%
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period (Year)	10 years
Restricted Stock [Member]
Share-Based Payment Arrangement, Exercise of Option, Tax Benefit	$ 2,569	1,439
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value	$ 8,062	$ 7,691	10,362
Share-based Payment Arrangement, Expense, Tax Benefit			$ 2,136
Restricted Stock [Member] \| Share-Based Payment Arrangement, Tranche One [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year)	1 year
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage	33.30%
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period (Year)	3 years
Restricted Stock Units (RSUs) [Member]
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total	$ 8,151
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)	8 months 19 days

The fair value of the discretionary award amount contributed into the deferred compensation arrangement.

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of tax benefit for recognition of expense of award under share-based payment arrangement.

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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