Note 8 - Leases - Lease Expense (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Oct. 01, 2022	Oct. 02, 2021	Oct. 01, 2022	Oct. 02, 2021
Amortization of right of use asset	$ 1,668	$ 1,546	$ 3,257	$ 2,841
Interest on lease liabilities	242	279	481	536
Finance lease cost	1,910	1,825	3,738	3,377
Operating lease cost	3,657	4,960	7,884	9,960
Total lease cost	$ 5,567	$ 6,785	11,622	13,337
Operating cash flows from finance leases			481	536
Operating cash flows from operating leases			10,404	12,248
Financing cash flows from finance leases			4,287	3,759
Payments for Amounts Included in the Measurement of Lease Liabilities, Total			15,172	16,543
Right-of-use assets obtained in exchange for new finance lease liabilities			3,298	9,531
Right-of-use assets obtained in exchange for new operating lease liabilities			$ 1,868	$ 10,441
Financing leases (Year)	4 years 7 months 6 days	4 years 9 months 18 days	4 years 7 months 6 days	4 years 9 months 18 days
Operating leases, lease term (Year)	4 years 6 months	4 years 2 months 12 days	4 years 6 months	4 years 2 months 12 days
Financing leases	3.50%	3.40%	3.50%	3.40%
Operating leases, discount rate	4.20%	4.20%	4.20%	4.20%