Consolidated Statements of Income - USD ($)	3 Months Ended
	Jun. 28, 2015	Jun. 29, 2014
Consolidated Statements of Income [Abstract]
Revenues	$ 134,664,000	$ 152,946,300
Cost of goods sold	102,428,100	117,697,500
Gross profit	32,235,900	35,248,800
Selling, general and administrative expenses	29,376,400	29,176,400
Income from operations	2,859,500	6,072,400
Interest expense, net	46,300	28,400
Income before provision for income taxes	2,813,200	6,044,000
Provision for income taxes	1,117,900	2,372,600
Net income	$ 1,695,300	$ 3,671,400
Basic earnings per share (in dollars per share)	$ 0.21	$ 0.44
Diluted earnings per share (in dollars per share)	0.20	0.44
Cash dividends declared per common share (in dollars per share)	$ 0.20	$ 0.20