Aggregate Intrinsic Value Of Vested Restricted Stock

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Bonus Achievement Target Level

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Bonus Payout as a Percentage of Target Award

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Employee Stock Ownership Plan (ESOP), Income

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Shares Tendered Back to Company

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Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options.

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The amount of plan compensation cost recognized during the period.

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Estimated period over which an employee is required to provide service in exchange for the equity-based payment award, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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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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Purchase price of common stock expressed as a percentage of its fair value.

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Number of shares used to settle grantee's tax withholding obligation for award under share-based payment arrangement.

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Number of shares of capital stock issued (purchased by employees) in connection with an employee stock ownership plan.

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STOCK-BASED COMPENSATION AND STOCK OWNERSHIP PLANS (Narrative) (Details) - USD ($) $ in Thousands		3 Months Ended
	Mar. 02, 2017	Dec. 31, 2021	Jan. 01, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares available for grant (shares)		474,393
Award performance period (in years)		3 years
Class A
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Employee stock purchase plan shares issued (shares)		0	0
Employee stock ownership plan (ESOP), compensation expense		$ 104
Employee stock ownership plan (ESOP), income			$ 0
Non-Vested Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares tendered for tax withholding (shares)		1,778	2,341
Stock-based compensation expense, net of forfeitures		$ 295	$ 279
Unrecognized stock-based compensation expense		1,858
Fair value of vested restricted stock		$ 573	658
Non-Vested Stock \| Director \| Class A
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period (in years)		1 year
Non-Vested Stock \| Employees \| Class A
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period (in years)		4 years
Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense, net of forfeitures		$ 727	$ 432
Unrecognized stock-based compensation expense		$ 4,322
Shares tendered back to company (shares)		2,799	3,320
Fair value of vested restricted stock		$ 2,759	$ 2,148
Restricted Stock Units (RSUs) \| Vesting Period 1
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period (in years)		1 year
Restricted Stock Units (RSUs) \| Vesting Period 2
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period (in years)		3 years
Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Bonus achievement target level (in percent)		80.00%
Bonus payout as a percentage of target award		50.00%
Employee stock purchase plan, purchase price (in percent)	85.00%
Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Bonus achievement target level (in percent)		120.00%
Bonus payout as a percentage of target award		150.00%