Condensed Consolidated Statements of Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 26, 2021	Dec. 27, 2020	Dec. 26, 2021	Dec. 27, 2020
Income Statement [Abstract]
Sales	$ 187,050	$ 142,927	$ 551,568	$ 433,900
Cost of sales	(153,110)	(114,688)	(441,367)	(341,888)
Gross profit	33,940	28,239	110,201	92,012
Selling, general and administrative expenses	(19,681)	(17,750)	(54,216)	(49,009)
Operating income	14,259	10,489	55,985	43,003
Interest expense, net	(317)	(382)	(995)	(1,101)
Other income	132	478	548	1,282
Income before income taxes	14,074	10,585	55,538	43,184
Income tax expense	(3,870)	(2,664)	(14,573)	(11,285)
Net income	$ 10,204	$ 7,921	$ 40,965	$ 31,899
Weighted average number of shares outstanding - basic	20,885,232	21,013,836	20,968,692	21,043,042
Weighted average number of shares outstanding - diluted	21,054,603	21,223,310	21,142,515	21,278,744
Basic earnings per share
Basic earnings per share	$ 0.49	$ 0.38	$ 1.95	$ 1.52
Diluted earnings per share
Diluted earnings per share	0.48	0.37	1.94	1.50
Cash dividends declared per common share	$ 0.13000	$ 0.11625	$ 0.38250	$ 0.34875