Income Taxes Income Taxes-Deferred Tax Assets (Details) - USD ($) $ in Thousands	Mar. 28, 2021	Mar. 29, 2020
Deferred tax assets:
Trade receivables	$ 134	$ 212
Stock compensation accruals	1,341	728
Pension withdrawal liability	1,344	1,435
Lease liability	3,191	2,476
Unrealized loss on interest rate swap	0	29
Other	2,882	1,982
Total deferred tax assets	8,892	6,862
Deferred tax liabilities:
Inventories	(2,815)	(2,231)
Prepaid expenses	(864)	(843)
Excess of tax over book depreciation	(11,249)	(10,504)
Intangible assets	(15,269)	(15,936)
ROU asset	3,140	2,454
Total deferred tax liabilities	(33,337)	(31,968)
Net deferred tax liabilities	$ (24,445)	$ (25,106)