Unaudited Consolidated Statements of Cash Flows (USD $)	9 Months Ended
	Dec. 29, 2013	Dec. 30, 2012
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 13,293,800	$ 14,874,100
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation and amortization	3,715,400	3,719,500
Gain on sale of property and equipment	(29,500)	(3,000)
Non-cash stock-based compensation expense	1,595,000	1,836,700
Deferred income taxes and other	(164,800)	518,000
Change in trade accounts receivable	18,571,700	(10,333,500)
Change in product inventory	(1,458,500)	(11,685,400)
Change in prepaid expenses and other current assets	1,062,300	(654,200)
Change in trade accounts payable	(21,134,500)	10,063,400
Change in payroll, benefits and taxes	(3,891,400)	(8,608,200)
Change in income and sales tax liabilities	(235,400)	(1,040,200)
Change in accrued expenses and other current liabilities	319,500	157,100
Net cash provided by (used in) operating activities	11,643,600	(1,155,700)
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property and equipment	(2,822,200)	(4,237,900)
Proceeds from sale of property and equipment	29,500	3,000
Net cash used in investing activities	(2,792,700)	(4,234,900)
CASH FLOWS FROM FINANCING ACTIVITIES:
Payments on long-term debt	(187,200)	(186,900)
Proceeds from issuance of common stock	112,400	90,900
Cash dividends paid	(4,439,600)	(10,379,600)
Purchases of treasury stock and repurchases of common stock from employees and directors for minimum tax withholdings	(1,428,400)	(2,027,600)
Excess tax benefit from stock-based compensation	905,300	2,276,900
Net cash used in financing activities	(5,037,500)	(10,226,300)
Net increase (decrease) in cash and cash equivalents	3,813,400	(15,616,900)
CASH AND CASH EQUIVALENTS, beginning of period	4,468,000	18,211,600
CASH AND CASH EQUIVALENTS, end of period	$ 8,281,400	$ 2,594,700