Note 5 - Leases - Lease Expense (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jan. 01, 2022	Dec. 26, 2020	Jan. 01, 2022	Dec. 26, 2020
Amortization of right of use asset	$ 1,557	$ 1,200	$ 4,398	$ 3,531
Interest on lease liabilities	263	271	799	843
Finance lease cost	1,820	1,471	5,197	4,374
Operating lease cost	4,739	5,832	14,699	18,478
Total lease cost	$ 6,559	$ 7,303	19,896	22,852
Operating cash flows from finance leases			799	843
Operating cash flows from operating leases			15,917	19,833
Financing cash flows from finance leases			5,803	4,681
Payments for Amounts Included in the Measurement of Lease Liabilities, Total			22,519	25,357
Right-of-use assets obtained in exchange for new finance lease liabilities			9,754	1,489
Right-of-use assets obtained in exchange for new operating lease liabilities			$ 8,959	$ 3,725
Financing leases, lease term (Year)	4 years 7 months 6 days	4 years 8 months 12 days	4 years 7 months 6 days	4 years 8 months 12 days
Operating leases, lease term (Year)	4 years 2 months 12 days	3 years 6 months	4 years 2 months 12 days	3 years 6 months
Financing leases, discount rate	3.40%	4.10%	3.40%	4.10%
Operating leases, discount rate	4.20%	4.40%	4.20%	4.40%