| Significant Accounting Policies | Significant Accounting Policies Basis of Presentation We prepared the accompanying consolidated financial statements in accordance with U.S. generally accepted accounting principles ("GAAP"). Certain prior year amounts have been reclassified to conform to the 2018 presentation. Consolidation Our consolidated financial statements include our assets, liabilities, revenues, and expenses, as well as the assets, liabilities, revenues, and expenses of subsidiaries in which we had a controlling financial interest. We have eliminated intercompany transactions and balances. Use of Estimates Preparing financial statements in accordance with GAAP requires us to make estimates and assumptions that affect the amounts we report. We regularly evaluate our estimates and judgments based on historical experience and other relevant facts and circumstances. Actual amounts could differ from our estimates. Lease Classification We determine the classification of a lease at its inception. If the provisions of the lease subsequently change, other than by renewal or extension, we evaluate whether that change would have resulted in a different lease classification had the change been in effect at inception. If so, the revised agreement is considered a new lease for lease classification purposes. See "Note 5 . Leases ." In 2019, we will adopt ASU 2016-02, Leases (Topic 842) which slightly modifies the criteria for lease classification. We do not anticipate any significant changes to our lease classification after adoption. See "Note 2 . Accounting Changes ." Revenue Recognition Revenue is recognized when control of the promised goods or services is transferred to our customers, in an amount that reflects the consideration we expect to be entitled to in exchange for those goods and services. We disaggregate revenue into three categories as presented on our income statement: Lease Revenue Lease revenue, which includes operating lease revenue and financial lease revenue, is our primary source of revenue which continues to be within the scope of existing lease guidance. Therefore, the adoption of Topic 606 had no impact on our recognition or presentation of lease revenue. Operating Lease Revenue We lease railcars and other operating assets under full-service and net operating leases. We price full-service leases as an integrated service that includes amounts related to executory costs, such as maintenance, insurance, and ad valorem taxes. We do not offer stand-alone maintenance service contracts and are unable to separate executory costs from full-service lease revenue. Operating lease revenue, including amounts related to executory costs, is recognized on a straight-line basis over the term of the underlying lease. As a result, we may not recognize lease revenue in the same period as maintenance and other executory costs, which we expense as incurred. Contingent rents are recognized when the contingency is resolved. Revenue is not recognized if collectability is not reasonably assured. See "Note 5 . Leases ." Finance Lease Revenue In certain cases, we lease railcars and other operating assets that, at lease inception, are classified as finance leases. We recognize unearned income as lease revenue using the interest method, which produces a constant yield over the lease term. Initial unearned income is the amount that the original lease payment receivable and the estimated residual value of the leased asset exceeds the original cost or carrying value of the leased asset. We regularly review the finance lease portfolio and classify finance leases as non-performing if it is probable that we will be unable to collect all amounts due under the lease. We generally stop accruing income on non-performing finance leases until all contractual payments are current. We apply payments received for non-performing finance leases to the lease payment receivable. See "Note 5 . Leases ." Marine Operating Revenue We generate marine operating revenue through shipping services completed by our marine vessels. Upon adoption of Topic 606, marine operating revenue is recognized over time as the performance obligation is satisfied, beginning when cargo is loaded through its delivery and discharge. Revenue is recognized pro rata over the projected duration of each voyage. Other Revenue Other revenue comprises customer liability repair revenue, fee income, interest on loans, and other miscellaneous revenues. Select components of other revenue are within the scope of Topic 606 but based on our assessment, we determined that our current revenue elements and timing for purposes of income recognition are consistent with applicable provisions in the new standard. The remaining items are considered lease components that continue to be within the scope of existing lease guidance. Cash and Cash Equivalents We classify all highly liquid investments with a maturity of three months or less as cash equivalents. Restricted Cash Restricted cash is cash and cash equivalents that are restricted as to withdrawal and use. Our restricted cash primarily relates to contractually required cash balances for one wholly owned special purpose limited liability company and required cash balances pursuant to terms of a bank guarantee. Finance Lease Receivables We record a gross lease payment receivable and an estimated residual value, net of unearned income, for our finance leases. For sales-type leases, we may also recognize a gain or loss in the period the lease is recorded. Gross lease payment receivables are the rents we expect to receive through the end of the lease term for a leased asset. Estimated residual values are our estimates of value of an asset at the end of a finance lease term. We review our estimates of residual values annually or whenever circumstances indicate that residual values may have declined. Other-than-temporary declines in value are recognized as impairments. Allowance for Losses The allowance for losses is our estimate of credit losses associated with receivables balances. Receivables include rent and other receivables, loans, and finance lease receivables. Our loss reserves for rent and other receivables are based on historical loss experience and judgments about the impact of economic conditions, the state of the markets we operate in, and collateral values, if applicable. In addition, we may establish specific reserves for known troubled accounts. We evaluate reserve estimates for loans and finance lease receivables on a customer-specific basis, considering each customer's particular credit situation. We also consider the factors we use to evaluate rent and other receivables, which are outlined above. We charge amounts against the allowance when we deem them uncollectable. We made no material changes in our estimation methods or assumptions for the allowance during 2018 . We believe that the allowance is adequate to cover losses inherent in our receivables balances as of December 31, 2018 . Since the allowance is based on judgments and estimates, it is possible that actual losses incurred will differ from the estimate. See "Note 17 . Allowance for Losses ." Operating Assets and Facilities We record operating assets, facilities, and capitalized improvements at cost. We also include assets classified as capital leases in operating assets, and we record the related obligations as liabilities. We depreciate operating assets and facilities over their estimated useful lives or lease terms to estimated residual values using the straight-line method. We depreciate leasehold improvements over the shorter of their useful lives or the lease term. Our estimated depreciable lives of operating assets and facilities are as follows: Railcars 20–45 years Locomotives 10–20 years Buildings 40–50 years Leasehold improvements 5–15 years Marine vessels 30–65 years Other equipment 5–30 years We review our operating assets and facilities for impairment annually, or if circumstances indicate that the carrying amount of those assets may not be recoverable. We evaluate the recoverability of assets to be held and used by comparing the carrying amount of the asset to the undiscounted future net cash flows we expect the asset to generate. If we determine an asset is impaired, we recognize an impairment loss equal to the amount the carrying amount exceeds the asset’s fair value. We classify assets we plan to sell or otherwise dispose of as held for sale, provided they meet specified accounting criteria, and we record those assets at the lower of their carrying amount or fair value less costs to sell. See "Note 9 . Asset Impairments and Assets Held for Sale " for further information about asset impairment losses and assets held for sale. Investments in Affiliates We use the equity method to account for investments in joint ventures and other unconsolidated entities if we have the ability to exercise significant influence over the financial and operating policies of those investees. Under the equity method, we record our initial investments in these entities at cost and subsequently adjust the investment for our share of the affiliates’ earnings (losses), and distributions. We include loans to and from affiliates as part of our investment in the affiliate and include interest on any such loans in our share of the affiliates’ earnings. We review the carrying amount of our investments in affiliates annually, or whenever circumstances indicate that the value of these investments may have declined. If we determine an investment is impaired on an other-than-temporary basis, we record a loss equal to the difference between the fair value of the investment and its carrying amount. See "Note 6 . Investments in Affiliated Companies ." Variable Interest Entities We evaluate whether an entity is a variable interest entity based on the sufficiency of the entity’s equity and by determining whether the equity holders have the characteristics of a controlling financial interest. To determine if we are the primary beneficiary of a variable interest entity, we assess whether we have the power to direct the activities that most significantly impact the economic performance of the entity as well as the obligation to absorb losses or the right to receive benefits that may be significant to the entity. These determinations are both qualitative and quantitative, and they require us to make judgments and assumptions about the entity’s forecasted financial performance and the volatility inherent in those forecasted results. We evaluate new investments for variable interest entity determination and regularly review all existing entities for events that may result in an entity becoming a variable interest entity or us becoming the primary beneficiary of an existing variable interest entity. Goodwill We recognize goodwill when the consideration paid to acquire a business exceeds the fair value of the net assets acquired. We assign goodwill to the same reporting unit as the net assets of the acquired business and we assess our goodwill for impairment on an annual basis in the fourth quarter, or if impairment indicators are present. If the carrying amount of the applicable reporting unit exceeds its fair value, we compare the implied fair value of the reporting unit’s goodwill with the carrying amount of goodwill. We record an impairment loss if the carrying amount of goodwill exceeds its implied fair value. The fair values of our reporting units are determined using discounted cash flow models. See "Note 16 . Goodwill ." Inventory Our inventory consists of railcar and locomotive repair components and marine vessel spare parts. All inventory balances are stated at lower of cost or market. Railcar repair components are valued using the average cost method. Vessel spare parts inventory is valued using the first-in, first-out method. Inventory is included in other assets on the balance sheet. Income Taxes We calculate provisions for federal, state, and foreign income taxes on our reported income before income taxes. We base our calculations of deferred tax assets and liabilities on the differences between the financial statement and tax bases of assets and liabilities, using enacted rates in effect for the year we expect the differences will reverse. We reflect the cumulative effect of changes in tax rates from those we previously used to determine deferred tax assets and liabilities in the provision for income taxes in the period the change is enacted. During 2017, the Tax Cuts and Jobs Act (the "Tax Act") was enacted, which made broad and complex changes to the U.S. tax laws. As a result, we recorded a one-time net tax benefit of $315.9 million , which represented our provisional estimate of the impact of the Tax Act. Additional guidance was issued by the Internal Revenue Service, the U.S. Department of the Treasury, and state taxing authorities during 2018 and, as a result, we recorded an adjustment to our provisional estimates. Specifically, in the fourth quarter of 2018, we recorded an additional net tax benefit of $16.5 million based on this clarifying guidance, the filing of our 2017 income tax returns, and the final determination of our foreign undistributed earnings and associated tax attributes. We do not expect to record any further material adjustments associated with the Tax Act. Provisions for income taxes in any given period can differ from those currently payable or receivable because certain items of income and expense are recognized in different periods for financial reporting purposes than for income tax purposes. We may deduct expenses or defer income attributable to uncertain tax positions for tax purposes, and include those items in our liability for uncertain tax positions in other liabilities on the balance sheet. See "Note 12 . Income Taxes ." Fair Value Measurements Fair value is the price that a market participant would receive to sell an asset or pay to transfer a liability in an orderly transaction at the measurement date. We classify fair value measurements according to the three-level hierarchy defined by GAAP, and those classifications are based on our judgment about the reliability of the inputs we use in the fair value measurement. Level 1 inputs are quoted prices available in active markets for identical assets or liabilities. Level 2 inputs are observable, either directly or indirectly, and may include quoted prices for similar assets or liabilities, quoted prices in markets that are not active, or other inputs that are observable or can be corroborated by observable market data. For assets or liabilities with a specified contractual term, Level 2 inputs must be observable for substantially the full term of that asset or liability. Level 3 inputs are unobservable, meaning they are supported by little or no market activity. Fair value measurements classified as Level 3 typically rely on pricing models and discounted cash flow methodologies, both of which require significant judgment. See "Note 8 . Fair Value Disclosure ." Derivatives We use derivatives, such as interest rate swap agreements, Treasury rate locks, options, cross currency swaps, and currency forwards, to hedge our exposure to interest rate and foreign currency exchange rate risk on existing and anticipated transactions. We formally designate derivatives that meet specific accounting criteria as qualifying hedges at inception. These criteria require us to have the expectation that the derivative will be highly effective at offsetting changes in the fair value or expected cash flows of the hedged exposure, both at the inception of the hedging relationship and on an ongoing basis. We recognize all derivative instruments at fair value and classify them on the balance sheet as either other assets or other liabilities. We generally base the classification of derivative activity in the statements of comprehensive income and cash flows on the nature of the hedged item. For derivatives we designate as fair value hedges, we recognize changes in the fair value of both the derivative and the hedged item in earnings. For derivatives we designate as cash flow hedges, we record the effective portion of the change in the fair value of the derivative as part of other comprehensive income (loss), and we recognize those changes in earnings in the period the hedged transaction affects earnings. We recognize any ineffective portion of the change in the fair value of the derivative immediately in earnings. Although we do not hold or issue derivative financial instruments for purposes other than hedging, we may not designate certain derivatives as accounting hedges. We recognize changes in the fair value of these derivatives in earnings immediately. We classify gains and losses on derivatives that are not designated as hedges as other expenses, and we include the related cash flows in cash flows from operating activities. See "Note 8 . Fair Value Disclosure ." Foreign Currency We translate the assets and liabilities of our operations that have non-US dollar functional currencies at exchange rates in effect at year-end. Revenue, expenses, and cash flows are translated monthly using average exchange rates. We defer gains and losses resulting from foreign currency translation and record those gains and losses as a separate component of accumulated other comprehensive income (loss). Gains and losses resulting from foreign currency transactions and from the remeasurement of non-functional currency assets and liabilities are recognized net of related hedges in other expense during the periods in which they occur. Net gains (losses) recognized were $(3.4) million , $6.0 million and $(3.8) million for 2018 , 2017 , and 2016 . Environmental Liabilities We record accruals for environmental remediation costs at sites relating to past or discontinued operations when they are probable and when we can reasonably estimate the expected costs. We record adjustments to initial estimates as necessary. Since these accruals are based on estimates, actual environmental remediation costs may differ. We expense or capitalize environmental remediation costs related to current or future operations as appropriate. See "Note 22 . Legal Proceedings and Other Contingencies ." Defined Benefit Pension and Other Post-Retirement Plans Our balance sheet reflects the funded status of our pension and post-retirement plans, which is the difference between the fair value of the plan assets and the projected benefit obligation. We recognize the aggregate overfunding of any plans in other assets, the aggregate underfunding of any plans in other liabilities, and the corresponding adjustments for unrecognized actuarial gains (losses) and prior service cost (credits) in accumulated other comprehensive income (loss). We record the service cost component of net periodic cost in selling, general, and administrative expense and the other components of net periodic cost in other expense. See "Note 10 . Pension and Other Post-Retirement Benefits ." Maintenance and Repair Costs We expense maintenance and repair costs as incurred. We capitalize certain costs incurred in connection with planned major maintenance activities if those activities improve the asset or extend its useful life. We depreciate those capitalized costs over the estimated useful life of the improvement. We capitalize required regulatory survey costs for vessels and amortize those costs over the applicable survey period, which is generally five years. Operating Lease Expense We classify leases of certain railcars and other assets and facilities, such as maintenance facilities and equipment, as operating leases. We record the lease expense associated with these leases on a straight-line basis. We defer gains and transaction costs associated with sale-leasebacks of certain railcars and amortize those gains and costs as a component of operating lease expense over the related leaseback term. Upon adoption of the new lease standard, deferred gains will be eliminated and we will record a one-time increase to equity of approximately $40 million , net of income taxes. The elimination of deferred gains will increase reported operating lease expense in future years over the remaining terms of the sale-leasebacks, including approximately $4.0 million in 2019. See "Note 2 . Accounting Changes ." We also classify our leases of office facilities and related administrative assets as operating leases, and we record the associated expense in selling, general and administrative expense. See "Note 5 . Leases ." ASC Expense Seasonality ASC's sailing season runs from April 1 to December 31 of each year. We defer certain expenses incurred prior to the beginning of the sailing season, such as winter maintenance, insurance, operating lease expense, and depreciation and amortize them ratably over the sailing season. Share-Based Compensation We base our measurement of share-based compensation expense on the grant date fair value of an award, and we recognize the expense over the requisite service period. Forfeitures are recorded when they occur. See "Note 11 . Share-Based Compensation ." Net Gain on Asset Dispositions Net gain on dispositions includes gains and losses on sales of operating assets and residual sharing income, which we also refer to as asset remarketing income; non-remarketing disposition gains, primarily from scrapping of railcars; and asset impairment losses. We recognize disposition gains, including non-remarketing gains, upon completion of the sale or scrapping of operating assets. Residual sharing income includes fees we receive from the sale of managed assets and assets subject to residual value guarantees, and we recognize these fees upon completion of the underlying transactions. The following table presents the net gain on asset dispositions for the years ending December 31 (in millions): 2018 2017 2016 Net disposition gains $ 64.8 $ 44.1 $ 49.7 Residual sharing income 2.5 10.2 83.6 Non-remarketing net disposition gains 14.5 8.4 3.2 Asset impairment losses (1) (9.0 ) (8.6 ) (38.5 ) Net Gain on Asset Dispositions $ 72.8 $ 54.1 $ 98.0 __________ (1) See "Note 9 . Asset Impairments and Assets Held for Sale " for further information about asset impairment losses. Interest Expense, net Interest expense is the interest we accrue on indebtedness and the amortization of debt issuance costs and debt discounts and premiums. We defer debt issuance costs and debt discounts and premiums and amortize them over the term of the related debt. We report interest expense net of interest income on bank deposits. Interest income on bank deposits was $5.7 million in 2018 , $3.1 million in 2017 , and $1.9 million in 2016 . Other Income (Expense) We include fair value adjustments on certain financial instruments, gains and/or losses on foreign currency transactions and remeasurements, legal defense costs and litigation settlements, along with other miscellaneous income and expense items in other income (expense). |
