Income Tax [Line Items]

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- Definition

Percentage Of Eligibility For Tax Bonus Depreciation

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- Definition

Temporary Net Operating Loss Carry back Term

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- Definition

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

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- Definition

Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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

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- Definition

Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to nondeductible depreciation.

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- Definition

The increase (decrease) during the reporting period in income taxes receivable, which represents the amount due from tax authorities for refunds of overpayments or recoveries of income taxes paid.

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- Definition

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

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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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Income Taxes (Narrative) (Details) - USD ($) $ in Thousands			3 Months Ended		6 Months Ended		12 Months Ended
Income Taxes (Narrative) (Details) - USD ($) $ in Thousands	Mar. 27, 2020	Mar. 26, 2020	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2014
Income Tax [Line Items]
Income tax provision (benefit)			$ 367	$ 7,460	$ (1,420)	$ 6,496
Effective income tax rate					22.00%	31.10%
The CARES Act [Member]
Income Tax [Line Items]
Temporary net operating loss carry back term					5 years
Additional tax depreciation	$ 1,017
Net operating loss			$ 6,829		$ 6,829
Leasehold Improvements [Member]
Income Tax [Line Items]
Estimated useful life		39 years
Leasehold Improvements [Member] \| The CARES Act [Member]
Income Tax [Line Items]
Estimated useful life	15 years
Leasehold improvements, percentage of eligibility for tax bonus depreciation	100.00%
Loss Carried Back to 2014 [Member]
Income Tax [Line Items]
U.S. corporate income tax rate							35.00%
Loss Carried Back to 2014 [Member] \| The CARES Act [Member]
Income Tax [Line Items]
Estimated cash refund					$ 2,345