Revenue Recognition   The Company recognizes merchandise sales revenue when title passes to the customer. Membership income represents annual membership fees paid by the Company s warehouse club members, which are recognized ratably over the 12-month term of the membership. Membership refunds are prorated over the remaining term of the membership; accordingly, no refund reserve is required to be established for the periods presented. The Company recognizes and presents revenue-producing transactions on a net of value added/sales tax basis. The Company began offering Platinum memberships in Costa Rica during fiscal year 2013, which provides members with a 2% rebate on most items, up to an annual maximum of $500.00 . Platinum members can apply this rebate to future purchases at the warehouse club at the end of the annual membership period. The Company records this 2% rebate as a reduction of revenue at the time of the sales transaction. Accordingly, the Company has reduced warehouse sales and has accrued a liability within other accrued expenses. The rebate expires within six months of the membership renewal date. However, the Company has determined that in the absence of relevant historical experience, the Company is not able to make a reasonable estimate of rebate redemptions and accordingly has assumed a 100% redemption rate. The Company periodically reviews expired unused rebates outstanding, and the expired unused rebates are recognized as Revenues: Other income on the consolidated statements of income. The Company recognizes gift certificate sales revenue when the certificates are redeemed. The outstanding gift certificates are reflected as other accrued expenses in the consolidated balance sheets. These gift certificates generally have a one-year stated expiration date from the date of issuance. However, the absence of a large volume of transactions for gift certificates impairs the Company's ability to make a reasonable estimate of the redemption levels for gift certificates. Therefore, the Company assumes