Note 14 - Fair Value of Financial Instruments	9 Months Ended
Dec. 26, 2020
Notes to Financial Statements
Fair Value Disclosures [Text Block]	14. Fair Value of Financial Instruments As required by ASC 825 - Financial Instruments, the Company estimates the fair values of financial instruments on a quarterly basis. The estimated fair value for long-term debt (classified as Level 2 in the fair value hierarchy) is determined by the quoted market prices for similar debt (comparable to the Company’s financial strength) or current rates offered to the Company for debt with the same maturities. Long-term debt, including current portion had a carrying amount of $98,577,000 and an estimated fair value of $99,225,000 as of December 26, 2020. Long-term debt, including current portion had a carrying amount of $225,337,000 and an estimated fair value of $225,287,000 as of December 28, 2019. As of March 31, 2020, the carrying amount was $217,581,000 and the estimated fair value was $217,559,000. The fair values of all the other financial instruments approximate their carrying value due to their short-term nature.

- Definition

The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information.

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