estimate can be made. The guidance allows for a measurement period of up to one year from the enactment date to finalize the accounting related to the TCJA.
As of November 25, 2018, we have not completed our accounting for the tax effects of the TCJA. During fiscal 2018, we recorded a provisional net benefit of $523.5 million which included the estimated impact of revaluing our net U.S. deferred tax liabilities to reflect the new U.S. corporate tax rate, partially offset by a provisional charge for the estimated transition tax and a provisional deferred tax liability related to changes in our permanent reinvestment assertion. This provisional net benefit was determined using reasonable estimates for those tax effects based on analysis and information available to date. The provisional net benefit is subject to revisions as we complete our analysis of the TCJA, collect and prepare necessary data, and interpret any additional guidance issued by the U.S. Treasury Department, Internal Revenue Service, Financial Accounting Standards Board, and other standard setting and regulatory bodies. Adjustments may materially impact our provision for income taxes and effective tax rate in the period in which the adjustments are made. Our accounting for the tax effects of the TCJA will be completed during the measurement period of up to one year from the enactment date. During the second quarter of fiscal 2019, we continued our analysis of the impacts of the TCJA and there were no adjustments to the previously recorded provisional amounts.
(16) Business Segment and Geographic Information
We operate in the packaged foods industry. During the fourth quarter of fiscal 2018, we acquired Blue Buffalo, which became our Pet operating segment. Following the acquisition, our operating segments are as follows: North America Retail; Convenience Stores & Foodservice; Europe & Australia; Asia & Latin America; and Pet.
Our North America Retail operating segment reflects business with a wide variety of grocery stores, mass merchandisers, membership stores, natural food chains, drug, dollar and discount chains,and e-commerce grocery providers. Our product categories in this business segmentare ready-to-eat cereals, refrigerated yogurt, soup, meal kits, refrigerated and frozen dough products, dessert and baking mixes, frozen pizza and pizza snacks, grain, fruit and savory snacks, and a wide variety of organic products including refrigerated yogurt, nutrition bars, meal kits, saltysnacks, ready-to-eat cereal, and grain snacks.
Our major product categories in our Convenience Stores & Foodservice operating segmentare ready-to-eat cereals, snacks, refrigerated yogurt, frozen meals, unbaked and fully baked frozen dough products, and baking mixes. Many products we sell are branded to the consumer and nearly all are branded to our customers. We sell to distributors and operators in many customer channels including foodservice, convenience stores, vending, and supermarket bakeries in the United States.
Our Europe & Australia operating segment reflects retail and foodservice businesses in the greater Europe and Australia regions. Our product categories include refrigerated yogurt, meal kits, super-premium ice cream, refrigerated and frozen dough products, shelf stable vegetables, grain snacks, and dessert and baking mixes. We also sell super-premium ice cream directly to consumers through owned retail shops. Revenues from franchise fees are reported in the region or country where the franchisee is located.
Our Asia & Latin America operating segment consists of retail and foodservice businesses in the greater Asia and South America regions. Our product categories include super-premium ice cream and frozen desserts, refrigerated and frozen dough products, dessert and baking mixes, meal kits, salty and grain snacks, wellness beverages, and refrigerated yogurt. We also sell super-premium ice cream and frozen desserts directly to consumers through owned retail shops. Our Asia & Latin America segment also includes products manufactured in the United States for export, mainly to Caribbean and Latin American markets, as well as products we manufacture for sale to our international joint ventures. Revenues from export activities and franchise fees are reported in the region or country where the end customer or franchisee is located.
Our Pet operating segment includes pet food products sold primarily in the United States in specialty channels, including national pet superstore chains, regional pet store chains, neighborhood pet stores, and farm and feedstores; e-commerce retailers; military outlets; hardware stores; veterinary clinics and hospitals; and grocery and mass merchandisers. Our product categories include dog and cat food (dry foods, wet foods, and treats) made with whole meats, fruits and vegetables, and other high-quality natural ingredients. Our tailored pet product offerings address specific dietary, lifestyle, and life-stage needs and span different product types, diet types, breed sizes for dogs, lifestages, flavors, product functions and textures, and cuts for wet foods. We are reporting the Pet operating segment results ona one-month lag and accordingly, our fiscal 2018 results did not include Pet segment operating results.
Operating profit for these segments excludes unallocated corporate items, gain or loss on divestitures, and restructuring, impairment, and other exit costs. Unallocated corporate items include corporate overhead expenses, variances to planned domestic employee benefits and incentives, contributions to the General Mills Foundation, asset and liability remeasurement impact of hyperinflationary economies, restructuring initiative project-related costs, and other items that are not part of our measurement of segment operating performance. These include gains and losses arising from the revaluation of certain grain inventories and gains and lossesfrom mark-to-market valuation of certain commodity positions until passed back to our operating segments. These items affecting operating profit are centrally managed at the corporate level and are excluded from the measure of segment profitability reviewed by executive management. Under our supply chain organization, our manufacturing, warehouse, and distribution activities are substantially
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