Condensed Consolidated Income Statements - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 26, 2020	Sep. 28, 2019	Sep. 26, 2020	Sep. 28, 2019
Income Statement [Abstract]
Net sales	$ 322,366	$ 354,458	$ 595,651	$ 726,346
Cost of sales	259,573	280,403	478,855	576,256
Gross profit	62,793	74,055	116,796	150,090
Selling, general, and administrative expenses	41,373	48,402	82,180	100,117
Operating income	21,420	25,653	34,616	49,973
Interest expense, net	864	382	1,806	691
Other income	(2,599)		(6,813)
Income before income taxes	23,155	25,271	39,623	49,282
Income tax expense	5,644	7,526	10,209	14,157
Net income	$ 17,511	$ 17,745	$ 29,414	$ 35,125
Net income per share:
Basic	$ 0.31	$ 0.31	$ 0.52	$ 0.62
Diluted	$ 0.31	$ 0.31	$ 0.52	$ 0.62