Income Taxes-Provision of Income Tax (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 28, 2021	Mar. 29, 2020	Mar. 31, 2019
Income Tax Examination [Line Items]
Federal — current	$ 11,169	$ 8,447	$ 6,956
State — current	4,391	3,563	2,748
Total current	15,560	12,010	9,704
Federal — deferred	(302)	(976)	(334)
State — deferred	(387)	(445)	(273)
Total deferred	(689)	(1,421)	(607)
Total provision	$ 14,871	$ 10,589	$ 9,097