Consolidated Statements of Income - USD ($)	3 Months Ended		9 Months Ended
	Dec. 25, 2016	Dec. 27, 2015	Dec. 25, 2016	Dec. 27, 2015
Consolidated Statements of Income
Revenues	$ 147,198,400	$ 139,510,700	$ 410,692,200	$ 416,528,000
Cost of goods sold	117,229,800	110,057,300	324,862,000	327,581,000
Gross profit	29,968,600	29,453,400	85,830,200	88,947,000
Selling, general and administrative expenses	27,860,700	24,742,400	81,525,900	76,730,200
Income from operations	2,107,900	4,711,000	4,304,300	12,216,800
Interest expense, net	37,100	55,500	65,700	148,900
Income before provision for income taxes	2,070,800	4,655,500	4,238,600	12,067,900
Provision for income taxes	843,100	1,768,800	1,936,200	4,737,600
Net income	$ 1,227,700	$ 2,886,700	$ 2,302,400	$ 7,330,300
Basic earnings per share (in dollars per share)	$ 0.15	$ 0.35	$ 0.28	$ 0.89
Diluted earnings per share (in dollars per share)	$ 0.15	$ 0.35	$ 0.28	$ 0.89
Basic weighted-average common shares outstanding (in shares)	8,321,700	8,245,100	8,307,200	8,227,600
Effect of dilutive options (in shares)	13,000	36,900	18,300	34,900
Diluted weighted-average common shares outstanding (in shares)	8,334,700	8,282,000	8,325,500	8,262,500
Cash dividends declared per common share (in dollars per share)	$ 0.20	$ 0.20	$ 0.60	$ 0.60