Condensed Consolidated Statements of Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Jul. 02, 2017	Jul. 03, 2016
Income Statement [Abstract]
Sales	$ 133,731	$ 131,374
Cost of sales	(107,732)	(103,158)
Gross profit	25,999	28,216
Selling, general and administrative expenses	(15,766)	(15,126)
Operating income	10,233	13,090
Interest expense, net	(750)	(724)
Income before income taxes	9,483	12,366
Income tax provision	(3,652)	(4,762)
Net income	$ 5,831	$ 7,604
Weighted average number of shares outstanding - basic	10,582,989	10,513,139
Weighted average number of shares outstanding - diluted	10,615,692	10,555,282
Basic earnings per share
Basic earnings per share	$ 0.55	$ 0.72
Diluted earnings per share
Diluted earnings per share	0.55	0.72
Cash dividends declared per common share	$ 0	$ 0