Note 1 - General (Details Textual) - USD ($) $ / shares in Units, $ in Millions	9 Months Ended
Dec. 24, 2022	Dec. 25, 2021	Mar. 26, 2022
Investments, Total	$ 0.2		$ 0.2
Share-Based Payment Arrangement, Expense	2.8	$ 1.7
Foreign Currency Transaction Gain (Loss), Realized	0.1	0.1
Foreign Currency Transaction Gain (Loss), Unrealized	$ 0.1	$ 0.3
Dilutive Securities, Effect Per Share on Earnings (in dollars per share)	$ 0.01	$ 0.01
Foreign Exchange Contract [Member]
Derivative Asset, Notional Amount	$ 3.0

The per share effect on earnings of dilutive securities.

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

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Nominal or face amount used to calculate payments on the derivative asset.

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Amount before tax of foreign currency transaction realized gain (loss) recognized in the income statement.

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Amount before tax of foreign currency transaction unrealized gain (loss) recognized in the income statement.

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Sum of the carrying amounts as of the balance sheet date of all investments.

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