Unaudited Consolidated Statements of Cash Flows (USD $)	6 Months Ended
	Sep. 25, 2011	Sep. 26, 2010
Cash flows from operating activities:
Net income	$ 8,114,400	$ 5,415,200
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	2,330,700	2,098,800
Non-cash stock-based compensation expense	1,522,700	1,363,100
Deferred income taxes and other	366,900	(276,900)
Change in trade accounts receivable	(5,487,000)	(23,078,800)
Change in product inventory	(10,955,900)	(12,585,800)
Change in prepaid expenses and other current assets	(454,000)	(1,613,600)
Change in trade accounts payable	12,841,600	30,661,900
Change in payroll, benefits and taxes	2,292,600	(2,879,400)
Change in income and sales tax liabilities	(690,700)	1,135,000
Change in accrued expenses and other current liabilities	(50,900)	337,800
Net cash provided by operating activities	9,830,400	577,300
Cash flows from investing activities:
Purchases of property and equipment	(2,448,500)	(2,754,900)
Additional earn-out payments on acquired business	0	(2,852,000)
Net cash used in investing activities	(2,448,500)	(5,606,900)
Cash flows from financing activities:
Payments on long-term debt	(199,500)	(231,300)
Proceeds from issuance of stock	211,100	73,600
Cash dividends paid	(1,939,300)	(1,508,400)
Purchases of treasury stock and repurchases of stock from employees and directors for minimum tax withholdings	(655,700)	(1,232,500)
Excess tax benefit from stock-based compensation	471,600	751,600
Net cash used in financing activities	(2,111,800)	(2,147,000)
Net increase (decrease) in cash and cash equivalents	5,270,100	(7,176,600)
Cash and cash equivalents, beginning of period	8,178,200	7,658,700
Cash and cash equivalents, end of period	$ 13,448,300	$ 482,100