Consolidated Statements of Income - USD ($)	3 Months Ended		9 Months Ended
	Dec. 24, 2017	Dec. 25, 2016	Dec. 24, 2017	Dec. 25, 2016
Consolidated Statements of Income
Revenues	$ 146,260,300	$ 147,198,400	$ 431,354,600	$ 410,692,200
Cost of goods sold	116,660,500	117,229,800	342,664,900	324,862,000
Gross profit	29,599,800	29,968,600	88,689,700	85,830,200
Selling, general and administrative expenses	27,413,200	27,860,700	81,969,100	81,525,900
Income from operations	2,186,600	2,107,900	6,720,600	4,304,300
Interest expense, net	114,500	37,100	339,600	65,700
Income before provision for income taxes	2,072,100	2,070,800	6,381,000	4,238,600
Provision for income taxes	501,900	843,100	2,354,000	1,936,200
Net income	$ 1,570,200	$ 1,227,700	$ 4,027,000	$ 2,302,400
Basic earnings per share (in dollars per share)	$ 0.19	$ 0.15	$ 0.48	$ 0.28
Diluted earnings per share (in dollars per share)	$ 0.19	$ 0.15	$ 0.48	$ 0.28
Basic weighted-average common shares outstanding (in shares)	8,377,279	8,321,700	8,363,877	8,307,200
Effect of dilutive options and other equity instruments (in shares)	76,442	13,000	52,576	18,300
Diluted weighted-average common shares outstanding (in shares)	8,453,721	8,334,700	8,416,453	8,325,500
Cash dividends declared per common share (in dollars per share)	$ 0.20	$ 0.20	$ 0.60	$ 0.60