Note 12 - Fair Value of Financial Instrument - Fair Value and Carrying Value of Long-term Debt (Details) - USD ($) $ in Thousands	Oct. 01, 2022	Mar. 31, 2022	Oct. 02, 2021
Carrying value	$ 320,345	$ 113,624	$ 146,779
Estimated fair value	$ 312,336	$ 108,608	$ 146,387

Amount, excluding unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant