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Significant Accounting Policies | 12 Months Ended
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Apr. 30, 2013
Significant Accounting Policies [Abstract] |
Significant Accounting Policies | 1.SIGNIFICANT ACCOUNTING POLICIES Operations Casey’s General Stores, Inc. and its subsidiaries (the Company/Casey’s) operate 1,749 convenience stores in 14 Midwest states. The stores are located primarily in smaller communities, many with populations of less than 5,000. Retail sales in 2013 were distributed as follows: 72% gasoline, 20% grocery & other merchandise, and 8% prepared food & fountain. The Company’s materials are readily available, and the Company is not dependent on a single supplier or only a few suppliers. Principles of consolidation The consolidated financial statements include the financial statements of Casey’s General Stores, Inc. and its wholly owned subsidiaries. All significant intercompany balances and transactions have been eliminated in consolidation. Use of estimates The preparation of financial statements in conformity with U.S. generally accepted accounting principles requires management to make estimates and assumptions that affect 1) the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and 2) the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates. Cash equivalents Cash equivalents consist of money market funds. We consider all highly liquid investments with a maturity at purchase of three months or less to be cash equivalents. Inventories Inventories, which consist of merchandise and gasoline, are stated at the lower of cost or market. For gasoline, cost is determined through the use of the first-in, first-out (FIFO) method. For merchandise inventories, cost is determined through the use of the last-in, first-out (LIFO) method for financial and income tax reporting applied to inventory values determined primarily by our FIFO accounting system for warehouse inventories and the retail inventory method (RIM) for store inventories, except for cigarettes, beer, pop, and prepared foods, which are valued at cost. RIM is an averaging method widely used in the retail industry because of its practicality. Under RIM, inventory valuations are at cost and the resulting gross margins are calculated by applying a cost-to-retail ratio to sales. Inherent in the RIM calculations are certain management judgments and estimates that could affect the ending inventory valuation at cost and the resulting gross margins. The excess of current cost over the stated LIFO value was $44,792 and $41,805 at April 30, 2013 and 2012, respectively. There were no material LIFO liquidations during the periods presented. Below is a summary of the inventory values at April 30, 2013 and 2012:
|  | Fiscal 2013 |  | Fiscal 2012
Gasoline |  | 87,262 |  | 83,063
Merchandise |  | 102,252 |  | 87,731
Total inventory |  | 189,514 |  | 170,794
Vendor allowances include rebates and other funds received from vendors to promote their products. The Company often receives such allowances on the basis of quantitative contract terms that vary by product and vendor or directly on the basis of purchases made. Vendor rebates in the form of rack display allowances (RDAs) are funds that we receive from various vendors for allocating certain shelf space to carry their specific products or to introduce new products in our stores for a particular period of time. The RDAs are treated as a reduction in cost of sales and are recognized ratably over the period covered by the applicable rebate agreement. These funds do not represent reimbursements of specific, incremental, identifiable costs incurred by us in selling the vendor’s products. 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. Reimbursements of an operating expense (e.g., advertising) are recorded as reductions of the related expense. Renewable Identification Numbers (RINs) are recorded as a reduction in cost of sales in the period when the Company commits to a price and agrees to sell all of the RINs earned during a specified period (currently the previous month). Goodwill Goodwill and intangible assets with indefinite lives are tested for impairment at least annually. The Company assesses impairment annually at year-end using a market based approach to establish fair value. All of the goodwill assigned to the individual stores is aggregated into a single reporting unit due to the similar economic characteristics of the stores. As of April 30, 2013, there was $114,791 of goodwill, and management’s analysis of recoverability completed as of the fiscal year-end yielded no evidence of impairment. Store closings and asset impairment The Company writes down property and equipment of stores it is closing to estimated net realizable value at the time management commits to a plan to close such stores and begins active marketing of the stores. The Company bases the estimated net realizable value of property and equipment on its experience in utilizing and/or disposing of similar assets and on estimates provided by its own and/or third-party real estate experts. The Company monitors closed and underperforming stores for an indication that the carrying amount of assets may not be recoverable. If the sum of the expected future undiscounted cash flows is less than the carrying amount of the assets, an impairment loss is recognized to the extent carrying value of the assets exceeds their estimated fair value. Fair value is based on management’s estimate of the price that would be received to sell an asset in an orderly transaction between market participants. The estimate is derived from offers, actual sale or disposition of assets subsequent to year-end, and other indications of fair value, which are considered Level 3 inputs. In determining whether an asset is impaired, assets are grouped at the lowest level for which there are identifiable cash flows that are largely independent of the cash flows of other groups of assets, which for the Company is generally on a store-by-store basis. The Company incurred impairment charges of $3,680 in fiscal 2013, $226 in fiscal 2012, and $348 in fiscal 2011. Impairment charges are a component of operating expenses. Depreciation and amortization Depreciation of property and equipment and amortization of capital lease assets are computed principally by the straight-line method over the following estimated useful lives:
Buildings |  | 25-40 years |
Machinery and equipment |  | 5-30 years |
Leasehold interest in property and equipment |  | Lesser of term of lease or life of asset |
Leasehold improvements |  | Lesser of term of lease or life of asset |
The Company monitors stores and will accelerate depreciation if the expected life of the asset is reduced due to the operation of the store or the Company’s plans. Excise taxes Excise taxes approximating $596,000, $527,000, and $495,000 on retail gasoline sales are included in total revenue and cost of goods sold for fiscal 2013, 2012, and 2011, respectively. Income taxes The Company uses the asset and liability method of accounting for income taxes. Deferred tax assets and liabilities are recognized for the future tax consequences attributable to differences between the financial statement carrying amounts of existing assets and liabilities and their respective tax bases. Deferred tax assets and liabilities are measured using enacted tax rates expected to apply to taxable income in the years in which those temporary differences are expected to be recovered or settled. The effect on deferred tax assets and liabilities of a change in tax rates is recognized in income in the period that includes the enactment date. The Company calculates its current and deferred tax provision based on estimates and assumptions that could differ from actual results reflected in income tax returns filed in subsequent years. Adjustments based on filed returns are recorded when identified. Revenue recognition The Company recognizes retail sales of gasoline, grocery & other merchandise, prepared food & fountain, and commissions on lottery, prepaid phone cards, and video rentals at the time of the sale to the customer. Sales taxes collected from customers and remitted to the government are recorded on a net basis in the consolidated financial statements. Net income per common share Basic earnings per share have been computed by dividing net income by the weighted average shares outstanding during each of the years. The calculation of diluted earnings per share treats stock options and restricted stock units outstanding as potential common shares to the extent they are dilutive. Asset retirement obligations The Company recognizes the estimated future cost to remove underground storage tanks over the estimated useful life of the storage tank. The Company records a discounted liability for the fair value of an asset retirement obligation with a corresponding increase to the carrying value of the related long-lived asset at the time an underground storage tank is installed. The Company amortizes the amount added to other assets and recognizes accretion expense in connection with the discounted liability over the remaining life of the tank. The estimates of the anticipated future costs for removal of an underground storage tank are based on our prior experience with removal. Because these estimates are subjective and are currently based on historical costs with adjustments for estimated future changes in the associated costs, we expect the dollar amount of these obligations to change as more information is obtained. There were no material changes in our asset retirement obligation estimates during fiscal 2013. The recorded asset for asset retirement obligations was $8,011 and $7,343 at April 30, 2013 and 2012, respectively, and is recorded in other assets, net of amortization. The discounted liability was $12,176 and $11,313 at April 30, 2013 and 2012, respectively, and is recorded in other long-term liabilities. Self-insurance The Company is primarily self-insured for workers' compensation, general liability, and automobile claims. The self-insurance claim liability is determined actuarially at each year end based on claims filed and an estimate of claims incurred but not yet reported. Actuarial projections of the losses are employed due to the high degree of variability in the liability estimates. Some factors affecting the uncertainty of claims include the development time frame, settlement patterns, litigation and adjudication direction, and medical treatment and cost trends. The liability is not discounted. The balance of our self-insurance reserves were $24,039 and $23,701 for the years ended April 30, 2013 and 2012, respectively. Environmental remediation liabilities The Company accrues for environmental remediation liabilities when it is probable a liability has been incurred and the amount of loss can be reasonably estimated. Derivative instruments There were no options or futures contracts as of or during the years ended April 30, 2013, 2012, or 2011. However, we do from time to time, participate in a forward buy of certain commodities, primarily cheese and coffee. These are not accounted for as derivatives under the normal purchase and normal sale exclusions under the applicable guidance. Stock-based compensation Stock-based compensation is recorded based upon the fair value of the award on the grant date. The cost of the award is recognized ratably in the statement of income over the vesting period of the award. Segment reporting As of April 30, 2013, we operated 1,749 stores in 14 states. Our stores offer a broad selection of merchandise, fuel and other products and services designed to appeal to the convenience needs of our customers. We manage the business on the basis of one operating segment and therefore, have only one reportable segment. Our stores sell similar products and services, use similar processes to sell those products and services, and sell their products and services to similar classes of customers. We make specific disclosures concerning the three broad merchandise categories of gasoline, grocery & other merchandise, and prepared food and fountain because it makes it easier for us to discuss trends and operational initiatives within our business and industry. Although we can separate gross margins within these categories (and further sub-categories), the operating expenses associated with operating a store that sells these products are not separable by these three categories. Comprehensive income (loss) Comprehensive income consists of net income and other comprehensive income (loss). Other comprehensive income (loss) refers to revenues, expenses, gains and losses that are not included in net income, but rather are recorded directly in shareholders’ equity. The Company did not have any other comprehensive income (loss) during the years ended April 30, 2013, 2012, or 2011.

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- Definition The entire disclosure for all significant accounting policies of the reporting entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6367646&loc=d3e18861-107790 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6367646&loc=d3e18743-107790 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6367646&loc=d3e18780-107790 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6367646&loc=d3e18854-107790 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6367646&loc=d3e18726-107790 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 22 -Paragraph 8 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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