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Note 8 - Commitments (Details Textual) - USD ($) $ in Millions		12 Months Ended
	Mar. 31, 2024	Mar. 30, 2024	Mar. 25, 2023	Mar. 26, 2022	Dec. 23, 2023	Sep. 23, 2023	Sep. 23, 2022	Aug. 31, 2021
Operating Lease, Weighted Average Discount Rate, Percent		4.10%	3.90%	4.20%
Operating Lease, Weighted Average Remaining Lease Term (Year)		11 years
Operating Lease, Expense		$ 6.6	$ 5.3	$ 4.3
NEXA [Member]
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High		$ 7.1	$ 7.1	$ 7.1		$ 7.1	$ 0.4	$ 7.5
Business Combination, Contingent Consideration Arrangements, Period (Year)		4 years
Business Combination, Contingent Consideration, Liability		$ 0.5			$ 2.9	$ 2.8
NEXA [Member] | Subsequent Event [Member]
Business Combination, Consideration Transferred	$ 0.5
Loan Payable [Member] | Term Loan 2018 [Member]
Debt Instrument, Periodic Payment, Total		0.2
Long-Term Debt, Maturity, Year Two		2.3
Long-Term Debt, Maturity, Year Three		$ 1.8
Minimum [Member]
Lessee, Operating Lease, Remaining Lease Term (Year)		1 year
Maximum [Member]
Lessee, Operating Lease, Remaining Lease Term (Year)			15 years

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- Definition

The period for contingent consideration arrangements recognized in connection with a business combination.

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