Unaudited Consolidated Statements of Cash Flows (USD $)	9 Months Ended
	Dec. 25, 2011	Dec. 26, 2010
Cash flows from operating activities:
Net income	$ 12,888,000	$ 8,376,400
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	3,573,700	3,240,400
Non-cash stock-based compensation expense	2,248,800	954,900
Deferred income taxes and other	443,200	(281,800)
Change in trade accounts receivable	(57,908,500)	(18,576,500)
Change in product inventory	(23,979,700)	(4,857,000)
Change in prepaid expenses and other current assets	(215,900)	(1,297,000)
Change in trade accounts payable	70,971,100	22,768,300
Change in payroll, benefits and taxes	6,043,000	(1,445,700)
Change in income and sales tax liabilities	505,500	432,100
Change in accrued expenses and other current liabilities	42,100	416,400
Net cash provided by operating activities	14,611,300	9,730,500
Cash flows from investing activities:
Purchases of property and equipment	(4,960,900)	(4,274,700)
Additional earn-out payments on acquired business	0	(2,852,000)
Net cash used in investing activities	(4,960,900)	(7,126,700)
Cash flows from financing activities:
Payments on long-term debt	(298,800)	(293,300)
Proceeds from issuance of common stock	212,000	73,600
Cash dividends paid	(3,106,400)	(2,264,000)
Purchases of treasury stock and repurchases of common 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	(3,377,300)	(2,964,600)
Net increase (decrease) in cash and cash equivalents	6,273,100	(360,800)
Cash and cash equivalents, beginning of period	8,178,200	7,658,700
Cash and cash equivalents, end of period	$ 14,451,300	$ 7,297,900