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Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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The amount of goodwill arising from a business combination that is expected to be deductible for tax purposes.

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Carrying amount of assets as of the balance sheet date pertaining to amounts paid by the insured (including a ceding company) under insurance or reinsurance contracts for which insurance risk is not transferred.

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Term of lessee's operating lease renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

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Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details Textual) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 27, 2021 USD ($)	Jun. 28, 2020	Jun. 27, 2021 USD ($) segment	Jun. 28, 2020	Dec. 27, 2020 USD ($)
Summary Of Significant Accounting Policies [Line Items]
Accumulated depreciation and amortization, property, plant, and equipment	$ 4.7		$ 4.7		$ 4.3
Deposit contracts, assets	$ 3.9		$ 3.9		$ 3.8
Number of reportable segments \| segment			3
Effective income tax rate reconciliation, percent	16.00%	25.90%	16.10%	22.80%
Operating loss carryforwards	$ 5.9		$ 5.9
Goodwill, expected tax deductible amount	$ 32.0		$ 32.0
Minimum
Summary Of Significant Accounting Policies [Line Items]
Renewal term	3 years		3 years
Useful life			3 years
Maximum
Summary Of Significant Accounting Policies [Line Items]
Renewal term	10 years		10 years
Useful life			10 years