Note 7 - Long-term Debt - Summary of Long-term Debt (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Mar. 31, 2022	Jan. 01, 2022
Long-term debt	$ 403,948	$ 113,624	$ 127,808
Less current portion	4,000	4,000	4,000
Long-term debt, less current portion	399,948	109,624	123,808
Line of Credit [Member]
Long-term debt	313,808	20,508	33,700
Term Loan [Member]
Long-term debt	89,924	92,900	93,892
Other [Member]
Long-term debt	$ 216	$ 216	$ 216