Unaudited Consolidated Statements of Cash Flows (USD $)	6 Months Ended
	Sep. 28, 2014	Sep. 29, 2013
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 7,185,000	$ 8,873,300
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation and amortization	2,352,900	2,474,200
Gain on sale of property and equipment	(3,000)	0
Non-cash stock-based compensation expense	677,600	1,096,900
Deferred income taxes and other	(216,300)	6,500
Change in trade accounts receivable	(13,169,800)	7,117,900
Change in product inventory	(19,882,700)	(5,308,100)
Change in prepaid expenses and other current assets	(1,141,700)	869,300
Change in trade accounts payable	22,769,900	(6,393,900)
Change in payroll, benefits and taxes	(2,341,900)	(4,283,500)
Change in income and sales tax liabilities	(235,300)	(162,100)
Change in accrued expenses and other current liabilities	347,800	273,400
Net cash (used in) provided by operating activities	(3,657,500)	4,563,900
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property and equipment	(1,338,900)	(2,305,800)
Proceeds from sale of property and equipment	3,000	0
Net cash used in investing activities	(1,335,900)	(2,305,800)
CASH FLOWS FROM FINANCING ACTIVITIES:
Payments on long-term debt	(125,100)	(126,800)
Proceeds from issuance of common stock	109,200	112,400
Cash dividends paid	(3,332,200)	(2,958,100)
Purchases of treasury stock and repurchases of common stock from employees and directors for minimum tax withholdings	(1,642,800)	(1,428,400)
Excess tax benefit from stock-based compensation	1,173,300	905,300
Net cash used in financing activities	(3,817,600)	(3,495,600)
Net decrease in cash and cash equivalents	(8,811,000)	(1,237,500)
CASH AND CASH EQUIVALENTS, beginning of period	11,467,900	4,468,000
CASH AND CASH EQUIVALENTS, end of period	$ 2,656,900	$ 3,230,500