Note B - Summary of Significant Accounting Policies (Details Textual) - USD ($) $ in Thousands	12 Months Ended
Mar. 26, 2017	Mar. 27, 2016	Mar. 29, 2015
Adjustments to Additional Paid in Capital, Income Tax Benefit from Share-based Compensation		$ 228	$ 4,572
Goodwill and Intangible Asset Impairment	$ 0	0
Impairment of Long-Lived Assets Held-for-use	0	0	0
Available-for-sale Securities	0	0
Goodwill	95	95
Intangible Assets, Net (Excluding Goodwill)	1,353	1,353
Long-term Debt	135,000
Long-term Debt, Fair Value	145,125
Franchise Revenue	$ 5,068	5,044	5,581
Maximum Contributions to Advertising Fund Percentage of Net Sales	2.00%
Advertising Expense	$ 182	191	175
Income Tax Expense (Benefit)	4,319	$ 4,288	$ 7,702
New Accounting Pronouncement, Early Adoption, Effect [Member] \| Accounting Standards Update 2016-09 [Member]
Income Tax Expense (Benefit)	$ 659
Accounts Receivable [Member] \| Customer Concentration Risk [Member] \| Branded Product Customer A [Member]
Concentration Risk, Percentage	21.00%	19.00%
Accounts Receivable [Member] \| Customer Concentration Risk [Member] \| Branded Product Customer B [Member]
Concentration Risk, Percentage	15.00%	14.00%
Accounts Receivable [Member] \| Customer Concentration Risk [Member] \| Branded Product Customer C [Member]
Concentration Risk, Percentage	12.00%	9.00%
Accounts Receivable [Member] \| Customer Concentration Risk [Member] \| Branded Product Customer D [Member]
Concentration Risk, Percentage	8.00%	8.00%
Sales Revenue, Net [Member] \| Customer Concentration Risk [Member] \| Branded Product Customer A [Member]
Concentration Risk, Percentage	12.00%	14.00%	17.00%
Sales Revenue, Net [Member] \| Customer Concentration Risk [Member] \| One Retail Licensee [Member]
Concentration Risk, Percentage	20.00%	19.00%	17.00%
Cost of Goods, Product Line [Member] \| Supplier Concentration Risk [Member] \| Primary Supplier of Hot Dogs [Member]
Concentration Risk, Percentage	78.00%	81.00%	83.00%
Cost of Goods, Product Line [Member] \| Supplier Concentration Risk [Member] \| Distributor of Product to Company-owned Restaurants [Member]
Concentration Risk, Percentage	5.00%	5.00%	5.00%
New Unit Openings, Transfers, Co-branding, and Forfeitures [Member]
Franchise Revenue	$ 778	$ 751	$ 1,043
Deferred Franchise Fees [Member]
Deferred Revenue, Current	98	137
Deferred Development Fee [Member]
Deferred Revenue	$ 67	$ 129

Represents the maximum contributions to advertising fund as a percentage of net sales.

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Amount of increase in additional paid in capital (APIC) resulting from a tax benefit associated with share-based compensation plan other than an employee stock ownership plan (ESOP). Includes, but is not limited to, excess tax benefit.

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Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line.

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Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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Amount of deferred revenue as of balance sheet date. Deferred revenue represents collections of cash or other assets related to a revenue producing activity for which revenue has not yet been recognized. Generally, an entity records deferred revenue when it receives consideration from a customer before achieving certain criteria that must be met for revenue to be recognized in conformity with GAAP.

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The carrying amount of consideration received or receivable as of the balance sheet date on potential earnings that were not recognized as revenue in conformity with GAAP, and which are expected to be recognized as such within one year or the normal operating cycle, if longer, including sales, license fees, and royalties, but excluding interest income.

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Revenue earned during the period from consideration (often a percentage of the franchisee's sales) received for the right to operate a business using the entity's name, merchandise, services, methodologies, promotional support, marketing, and supplies.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Total loss recognized during the period from the impairment of goodwill plus the loss recognized in the period resulting from the impairment of the carrying amount of intangible assets, other than goodwill.

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The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale).

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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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Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

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