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Revenue Recognition	3 Months Ended
	Jul. 31, 2012
Revenue Recognition [Abstract]
Revenue Recognition	3. Revenue Recognition The Company recognizes retail sales of gasoline, grocery and general merchandise, prepared food and fountain and commissions on lottery, prepaid phone cards, and video rentals at the time of the sale to the customer. Vendor rebates in the form of rack display allowances are treated as a reduction in cost of sales and are recognized pro rata over the period covered by the applicable rebate agreement. Vendor rebates in the form of billbacks are treated as a reduction in cost of sales and are recognized at the time the product is sold.

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