Consolidated Statements of Income - USD ($)	3 Months Ended		6 Months Ended
	Sep. 30, 2018	Sep. 24, 2017	Sep. 30, 2018	Sep. 24, 2017
Consolidated Statements of Income
Revenues	$ 158,636,100	$ 145,083,500	$ 309,555,500	$ 285,094,300
Cost of goods sold	127,241,400	115,160,400	247,462,700	226,004,400
Gross profit	31,394,700	29,923,100	62,092,800	59,089,900
Selling, general and administrative expenses	29,477,300	26,674,400	58,438,600	54,555,900
Income from operations	1,917,400	3,248,700	3,654,200	4,534,000
Interest expense, net	244,800	156,500	419,200	225,100
Income before provision for income taxes	1,672,600	3,092,200	3,235,000	4,308,900
Provision for income taxes	481,800	1,318,300	885,800	1,852,100
Net income	$ 1,190,800	$ 1,773,900	$ 2,349,200	$ 2,456,800
Basic earnings per share (in dollars per share)	$ 0.14	$ 0.21	$ 0.28	$ 0.29
Diluted earnings per share (in dollars per share)	$ 0.14	$ 0.21	$ 0.27	$ 0.29
Basic weighted-average common shares outstanding (in shares)	8,429,678	8,365,383	8,420,293	8,357,213
Effect of dilutive options and other equity instruments (in shares)	166,571	27,614	180,182	40,643
Diluted weighted-average common shares outstanding (in shares)	8,596,249	8,392,997	8,600,475	8,397,856
Cash dividends declared per common share (in dollars per share)	$ 0.20	$ 0.20	$ 0.40	$ 0.40