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OTHER (Policies) | 9 Months Ended
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Sep. 24, 2017
Accounting Policies [Abstract] |
Earnings Per Share Computation | We compute basic and diluted earnings per common share by dividing net earnings by the respective weighted average number of common shares outstanding for the periods presented. Our calculation of diluted earnings per common share also includes the dilutive effects for the assumed vesting of outstanding restricted stock units (RSUs) and performance stock units (PSUs) and exercise of outstanding stock options based on the treasury stock method. There were no significant anti-dilutive equity awards during the quarters and nine months ended September 24, 2017 or September 25, 2016.
Changes in Estimates | Changes in Estimates Accounting for contracts using the percentage-of-completion method requires judgment relative to assessing risks, estimating contract sales and costs (including estimating award and incentive fees and penalties related to performance) and making assumptions for schedule and technical issues. Due to the number of years it may take to complete many of our contracts and the scope and nature of the work required to be performed on those contracts, the estimation of total sales and costs at completion is complicated and subject to many variables and, accordingly, is subject to change. When adjustments in estimated total contract sales or estimated total costs are required, any changes from prior estimates are recognized in the current period for the inception-to-date effect of such changes. When estimates of total costs to be incurred on a contract exceed estimates of total sales to be earned, a provision for the entire loss on the contract is recorded in the period in which the loss is determined. Many of our contracts span several years and include highly complex technical requirements. At the outset of a contract, we identify and monitor risks to the achievement of the technical, schedule and cost aspects of the contract and assess the effects of those risks on our estimates of total costs to complete the contract. The estimates consider the technical requirements (e.g., a newly-developed product versus a mature product), the schedule and associated tasks (e.g., the number and type of milestone events) and costs (e.g., material, labor, subcontractor, overhead and the estimated costs to fulfill our industrial cooperation agreements, sometimes referred to as offset agreements, required under certain contracts with international customers). The initial profit booking rate of each contract considers risks surrounding the ability to achieve the technical requirements, schedule and costs in the initial estimated total costs to complete the contract. Profit booking rates may increase during the performance of the contract if we successfully retire risks surrounding the technical, schedule and cost aspects of the contract, which decreases the estimated total costs to complete the contract. Conversely, our profit booking rates may decrease if the estimated total costs to complete the contract increase. All of the estimates are subject to change during the performance of the contract and may affect the profit booking rate. Comparability of our segment sales, operating profit and operating margin may be impacted favorably or unfavorably by changes in profit booking rates on our contracts accounted for using the percentage-of-completion method of accounting. Increases in the profit booking rates, typically referred to as risk retirements, usually relate to revisions in the estimated total costs that reflect improved conditions on a particular contract. Conversely, conditions on a particular contract may deteriorate, resulting in an increase in the estimated total costs to complete and a reduction in the profit booking rate. Increases or decreases in profit booking rates are recognized in the current period and reflect the inception-to-date effect of such changes. Segment operating profit and margin may also be impacted favorably or unfavorably by other items. Favorable items may include the positive resolution of contractual matters, cost recoveries on restructuring charges, insurance recoveries and gains on sales of assets. Unfavorable items may include the adverse resolution of contractual matters; restructuring charges, except for significant severance actions, which are excluded from segment operating results; reserves for disputes; certain asset impairments; and losses on sales of certain assets. Segment operating profit and items such as risk retirements, reductions of profit booking rates or other matters are presented net of state income taxes.
Recent Accounting Pronouncements | Recent Accounting Pronouncements In May 2014, the FASB issued ASU No. 2014-09, Revenue from Contracts with Customers, as amended (Topic 606) (commonly referred to as ASC 606), which will change the way we recognize revenue and significantly expand the disclosure requirements for revenue arrangements. We will adopt the requirements of the new standard on the effective date of January 1, 2018 using the full retrospective transition method, whereby ASC 606 will be applied to each prior year presented and the cumulative effect of applying ASC 606 will be recognized at January 1, 2016, the beginning of the earliest year presented. As ASC 606 supersedes substantially all existing revenue guidance affecting us under current GAAP, it will impact revenue and cost recognition across all of our business segments, as well as our business processes and our information technology systems. We do not expect our adoption of ASC 606 to impact our cash flows. We commenced our evaluation of the impact of ASC 606 in late 2014, by evaluating its impact on selected contracts at each of our business segments. With this baseline understanding, we developed a project plan to evaluate thousands of contracts across our business segments, develop processes and tools to dual report financial results under both current GAAP and ASC 606 and assess the internal control structure in order to adopt ASC 606 on January 1, 2018. We have periodically briefed our Audit Committee on our progress made towards adoption. We currently recognize the majority of our revenue using the percentage-of-completion method of accounting, whereby revenue is recognized as we progress on the contract. For contracts with a significant amount of development and/or requiring the delivery of a minimal number of units, revenue and profit are recognized using the percentage-of-completion cost-to-cost method to measure progress. For example, we use this method at our Aeronautics business segment for the F-35 program; at our MFC business segment for the THAAD program; at our RMS business segment for the Littoral Combat Ship and Aegis Combat System programs; and at our Space Systems business segment for government satellite programs. For contracts that require us to produce a substantial number of similar items without a significant level of development, we currently record revenue and profit using the percentage-of-completion units-of-delivery method as the basis for measuring progress on the contract. For example, we use this method in Aeronautics for the C-130J and C-5 programs; in MFC for tactical missile programs (e.g., Hellfire, JASSM), PAC-3 programs and fire control programs (e.g., LANTIRN®, Sniper®); in RMS for Black Hawk and Seahawk helicopter programs; and in Space Systems for commercial satellite programs. For contracts to provide services to the U.S. Government, revenue is generally recorded using the percentage-of-completion cost-to-cost method. Under ASC 606, revenue will be recognized as the customer obtains control of the goods and services promised in the contract (i.e., performance obligations). Given the nature of our products and terms and conditions in our contracts, in particular those with the U.S. Government (including foreign military sales (FMS) contracts), the customer obtains control as we perform work under the contract. Therefore, we expect to recognize revenue over time for substantially all of our contracts using a method similar to our current percentage-of-completion cost-to-cost method. Accordingly, adoption of ASC 606 will primarily impact our contracts where revenue is currently recognized using the percentage-of-completion units-of-delivery method. As a result, we anticipate recognizing revenue for these contracts earlier in the performance period as we incur costs, as opposed to when units are delivered. We may also have more performance obligations in our contracts under ASC 606, which may impact the timing of recording sales and operating profit, including those where sales recognition is deferred pending the incurrence of costs. Backlog will also be impacted upon our adoption to reflect these changes and the requirements of ASC 606. During the third quarter of 2017, we completed our preliminary assessment of the cumulative effect of adopting ASC 606 on our December 31, 2015 balance sheet using the full retrospective transition method. The adoption resulted in a decrease in inventories, an increase in billed receivables, contract assets (i.e., unbilled receivables) and contract liabilities (i.e., customer advances and amounts in excess of costs incurred) to primarily reflect the impact of converting contracts currently applying the units-of-delivery method to the cost-to-cost method for recognizing revenue and profits. We expect the net impact of these reclassifications to increase both our current assets and current liabilities by approximately 2%. In addition, we completed our preliminary assessment of adopting ASC 606 on our fiscal year 2016 operating results during the third quarter of 2017. We expect the adoption of ASC 606 to increase our 2016 net sales by approximately less than 1% and decrease our operating profit and net earnings from continuing operations each by approximately less than 2%. The impact of adopting ASC 606 on our 2016 operating results may not be indicative of the adoption impacts in future periods or of our operating performance. We will continue our evaluation of ASC 606, including any new interpretations, through the date of adoption. In August 2017, the FASB issued ASU No. 2017-12, Derivatives and Hedging (Topic 815), which eliminates the requirement to separately measure and report hedge ineffectiveness. The guidance is effective for fiscal years beginning after December 15, 2018, with early adoption permitted. We do not expect a significant impact to our consolidated assets and liabilities, net earnings, or cash flows as a result of adopting this new standard. We plan to adopt the new standard January 1, 2019. In March 2017, the FASB issued ASU No. 2017-07, Compensation-Retirement Benefits (Topic 715), which changes the income statement presentation of certain components of net periodic benefit cost related to defined benefit pension and other postretirement benefit plans. Currently, we record all components of net periodic benefit costs in operating profit as part of cost of sales. Under ASU 2017-07, we will be required to record only the service component of net periodic benefit cost in operating profit and the non-service components of net periodic benefit cost (i.e., interest cost, expected return on plan assets, amortization of prior service cost or credits, and net actuarial gains or losses) as part of non-operating income. We plan to adopt the requirements of ASU 2017-07 on January 1, 2018 using the retrospective transition method. We expect the adoption of ASU 2017-07 to result in an increase to consolidated operating profit of $471 million and $846 million for 2016 and 2017, respectively, and a corresponding decrease in non-operating income for each year. We do not expect any impact to our business segment operating profit, our consolidated net earnings, or cash flows as a result of adopting ASU 2017-07. In January 2017, the FASB issued ASU No. 2017-04, Intangibles-Goodwill and Other (Topic 350), which eliminates the requirement to compare the implied fair value of reporting unit goodwill with the carrying amount of that goodwill (i.e., commonly referred to as Step 2) from the current goodwill impairment test. The new standard does not change how a goodwill impairment is identified. We will continue to perform our quantitative and qualitative goodwill impairment test by comparing the fair value of each reporting unit to its carrying amount, but if we are required to recognize a goodwill impairment charge, under the new standard the amount of the charge will be calculated by subtracting the reporting unit’s fair value from its carrying amount. Under the current standard, if we are required to recognize a goodwill impairment charge, Step 2 requires us to calculate the implied value of goodwill by assigning the fair value of a reporting unit to all of its assets and liabilities as if that reporting unit had been acquired in a business combination and the amount of the charge is calculated by subtracting the reporting unit’s implied fair value of goodwill from its actual goodwill balance. The new standard is effective for interim and annual reporting periods beginning after December 15, 2019, with early adoption permitted, and should be applied prospectively from the date of adoption. We elected to adopt the new standard for future goodwill impairment tests at the beginning of the third quarter of 2017, because it significantly simplifies the evaluation of goodwill for impairment. See “Management’s Discussion and Analysis of Financial Condition and Results of Operations” (under the caption "Critical Accounting Policies") for additional information. The impact of the new standard will depend on the outcomes of future goodwill impairment tests. In February 2016, the FASB issued ASU No. 2016-02, Leases (Topic 842), which requires the recognition of lease assets and lease liabilities on the balance sheet and disclosure of key information about leasing arrangements for both lessees and lessors. The new standard is effective January 1, 2019 for public companies, with early adoption permitted. The new standard will be applied using a modified retrospective approach to the beginning of the earliest period presented in the financial statements. We are continuing to evaluate the expected impact to our consolidated financial statements and related disclosures. We plan to adopt the new standard effective January 1, 2019.

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