Note 1 - General (Details Textual) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended	6 Months Ended
Sep. 28, 2024	Sep. 23, 2023	Sep. 28, 2024	Sep. 23, 2023	Mar. 30, 2024
Investments	$ 0.1		$ 0.1		$ 0.1
Share-Based Payment Arrangement, Expense			1.6	$ 2.2
Realized Gain (Loss), Foreign Currency Transaction, before Tax			(0.4)	0.1
Unrealized Gain (Loss), Foreign Currency Transaction, before Tax			$ 0.1	$ 0.1
Common Stock, Par or Stated Value Per Share (in dollars per share)	$ 0.5		$ 0.5		$ 0.5
Dilutive Securities, Effect Per Share on Earnings (in dollars per share)	$ 0.01	$ 0	$ 0.01	$ 0.01
Foreign Exchange Contract [Member]
Derivative Asset, Notional Amount	$ 2.5		$ 2.5

The per share effect on earnings of dilutive securities.

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Face amount or stated value per share of common stock.

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

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Amount, before tax, of realized gain (loss) from foreign currency transaction.

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