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Summary of Significant Accounting Policies (Policies)
12 Months Ended
Oct. 03, 2020
Accounting Policies [Abstract]  
Fiscal Year Fiscal YearWe have a 5-4-4 week, quarterly accounting cycle with our fiscal year ending on the Saturday closest to September 30. Fiscal years 2020, 2019 and 2018 ended October 3, 2020, September 28, 2019 and September 29, 2018, respectively. Fiscal year 2020 included 53 weeks and fiscal years 2019 and 2018 both included 52 weeks.
Consolidation
Consolidation
The Consolidated Financial Statements include the accounts of MTS Systems Corporation and its wholly owned subsidiaries. Significant intercompany account balances and transactions have been eliminated.
Revenue Recognition
Revenue Recognition
We adopted Accounting Standards Update (ASU) No. 2014-09, Revenue from Contracts with Customers (Topic 606), followed by related amendments, on September 30, 2018 under the modified retrospective transition method. Our revenue recognition accounting policy and disclosures relative to this guidance are included in Note 3.
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 transferring those goods or providing those services. We account for a contract when it has approval and commitment from both parties, the rights of the parties are identified, payment terms are known, the contract has commercial substance and collectability of consideration is probable.
A performance obligation is a promise in a contract to transfer a distinct good or service to the customer and is the unit of account. A contract's transaction price is allocated to each distinct performance obligation and recognized as revenue when, or as, the performance obligation is satisfied. Many of our contracts have a single performance obligation as the promise to transfer the individual goods or services is not separately identifiable from other promises in the contracts and, therefore, not distinct. In situations when our contract includes distinct goods or services that are substantially the same and have the same pattern of transfer to the customer over time, they are recognized as a series of distinct goods or services. For contracts with multiple performance obligations, we allocate the contract's transaction price to each performance obligation using our best estimate of the standalone selling price of each distinct good or service in the contract.
We do not adjust the promised amount of consideration for the effects of a significant financing component if we expect, at contract inception, that the period between when we transfer a promised good or service to a customer and when the customer pays for that good or service will be one year or less.
Revenue is recorded net of taxes collected from customers, and taxes collected are recorded as current liabilities until remitted to the relevant government authority. Shipping and handling costs associated with outbound freight after control of a product has transferred are accounted for as a fulfillment cost under the practical expedient and are included in cost of sales in the Consolidated Statements of Income.
The following is a description of the product offerings, end markets, typical revenue transactions and payment terms for each of our two reportable segments. See Note 16 for further information on reportable segments.
Test & Simulation
Test & Simulation manufactures and sells equipment and related software and services which are used by customers to characterize a product's mechanical properties or performance or to create a desired human experience. Our solutions simulate forces and motions that customers expect their products to encounter in use or are necessary to properly characterize the product's performance. Primary Test & Simulation markets include transportation, infrastructure, energy, aerospace, materials science, medical, flight training and amusement parks. A typical system is a comprehensive solution which includes a platform on which a human or prototype specimen resides or a reaction frame to hold the prototype specimen; a hydraulic or electro-mechanical power source; actuators to create the force or motion; and a computer controller with specialized software to coordinate the actuator movement and to measure, record, analyze and manipulate results. Our portfolio of Test & Simulation
solutions includes standard, configurable products; engineered products which combine standard product configurations with a moderate degree of customization per customer specifications; and highly customized, highly engineered solutions built to address the customer's unique business need, which can include development of first-of-a-kind technology. To complement our Test & Simulation products, we provide our customers with a spectrum of services to maximize product performance including installation, product life cycle management, professional training, calibration and metrology, technical consulting and onsite and factory repair and maintenance. In addition, we sell a variety of accessories and spare parts. The manufacturing cycle for a typical system ranges from weeks to 12 months, depending on the complexity of the system and the availability of components, and can be several years for larger, more complex systems. For certain contracts, the order to revenue cycle may extend beyond the manufacturing cycle, such as when the manufacturing start date is driven by the customer's project timeline or when the contract terms require equipment installation and commissioning and customer acceptance prior to point-in-time revenue recognition.
Test & Simulation contracts often have multiple performance obligations, most commonly due to the contract covering multiple phases of the product life cycle (i.e., equipment design and production, installation and commissioning, extended warranty and software maintenance). The primary method used to estimate standalone selling price is the expected cost plus a margin approach under which we forecast our expected costs of satisfying a performance obligation and then add an appropriate margin for that distinct good or service.
Test & Simulation revenue is recognized either over time as work progresses or point-in-time, depending on contract-specific terms and the pattern of transfer of control of the product or service to the customer. Revenue from services is recognized in the period the service is performed. Revenue is recognized over time when: (i) control is transferred to the customer over time as work progresses; or (ii) contract terms evidence customer control of the work in process or an enforceable right to payment with no alternative use. Revenue, including an estimate of profit, is recognized over time using costs incurred to date relative to total estimated costs at completion to measure progress toward satisfying the performance obligations. Incurred cost represents work performed, which corresponds with, and thereby best depicts, the transfer of control to the customer. Contract costs include materials, component parts, labor and overhead costs.
Revenue is recognized point-in-time when either: (i) control is transferred to the customer at a point-in-time when obligations under the terms of the contract are satisfied; or (ii) contract terms do not evidence customer control of the work in process or an enforceable right to payment with no alternative uses. Satisfaction of performance obligations under the terms of the contract occurs either upon product shipment (as evidenced by delivery or shipment terms), completion of equipment installation and commissioning, or customer acceptance.
For our Test & Simulation contracts with customers, payment terms vary and are subject to negotiation. Typical payment terms include progress payments based on specified events or milestones. For some contracts, we are entitled to receive an advance payment.
Sensors
Sensors manufactures and sells high-performance sensors which provide measurements of vibration, pressure, position, force and sound in a variety of applications. Our Sensors products are used to enable automation, enhance precision and safety, and lower our customers' production costs by improving performance and reducing downtime. Primary Sensors markets include automotive, aerospace and defense, industrial, and research and development. Our Sensors products are sold as configurable, standard units; utilize piezoelectric or magnetostriction technology; and are ideal for use in harsh operating environments to provide accurate and reliable sensor information. To complement our Sensors products, we also provide spare parts and services. The cycle from contract inception to shipment of equipment is typically one to three months, with the exception of certain high-volume contracts which are fulfilled in a series of shipments over an extended period.
Our Sensors contracts generally have performance obligations which are satisfied at a point in time. The performance obligation is a stand-alone sensor product, accessory, service or software license. Sensors contracts are generally fixed-price purchase order fulfillment contracts, and the transaction price is in the contract. Revenue is recognized when obligations under the terms of the contract with our customer are satisfied; generally this occurs with the transfer of control upon product shipment (as evidenced by shipment or delivery terms) or with the performance of the service. Certain contracts are measured using the as invoiced practical expedient as we have a right to consideration from a customer in an amount that corresponds directly with the value to the customer of our performance completed to date.
For our Sensors contracts with customers, payment terms are generally within 90 days. The timing of satisfying our Sensors performance obligations does not vary significantly from the typical timing of payment. For certain high-volume contracts, we are entitled to receive an advance payment.
The timing of revenue recognition, billings and cash collections results in billed accounts receivable, unbilled accounts receivable (contract assets) and advance payments from customers (contract liabilities). Contract balances are classified as assets or liabilities on a contract-by-contract basis at the end of each reporting period. Contract liabilities represent payments received from customers at contract inception and at milestones per contract provisions. These payments are recorded in advance payments from customers and other long-term liabilities in our Consolidated Balance Sheets (current and non-current portions, respectively) and are liquidated as revenue is recognized. Conversely, when billing occurs subsequent to revenue recognition for contracts recognized over time, balances are recorded in unbilled accounts receivable, net in our Consolidated Balance Sheets. As customers are billed, unbilled accounts receivable balances are transferred to accounts receivable, net in the Consolidated Balance Sheets.
Contract Estimates
For contracts recognized over time, we estimate the profit on a contract as the difference between the total estimated revenue and expected costs to complete a contract and recognize that profit over time as work progresses. Contract estimates are based on various assumptions to project the outcome of future events that may span several years. These assumptions include labor productivity and availability, the complexity of the work to be performed, the cost and availability of materials, and internal and subcontractor performance.
Pricing is established at the time of sale with our customers, and we record sales at the agreed-upon selling price. The terms of a contract or the historical business practice can give rise to variable consideration due to but not limited to volume discounts, penalties and early payment discounts. We estimate variable consideration at the most likely amount we will receive from customers. We include estimated amounts in the transaction price to the extent it is probable that a significant reversal of cumulative revenue recognized for such transaction will not occur, or when the uncertainty associated with the variable consideration is resolved. In general, variable consideration in our contracts relates to the entire contract. As a result, the variable consideration is allocated proportionately to all performance obligations. Our estimates of variable consideration and determination of whether to include estimated amounts in the transaction price are based largely on an assessment of our anticipated performance and all information (historical, current and forecasted) that is reasonably available to us at contract inception. There are no significant instances where variable consideration is constrained and not recorded at the initial time of sale.
As a significant change in one or more of these estimates could affect the profitability of our contracts, we review and update our contract-related estimates regularly. We recognize adjustments in estimated profit on contracts under the cumulative catch-up method. Under this method, the impact of the adjustment on profit recorded to date is recognized in the period the adjustment is identified. Revenue and profit in future periods of contract performance is recognized using the adjusted estimate. If at any time the estimate of contract profitability indicates an anticipated loss on the contract, we recognize the total loss in the period it is identified. Our review of contract-related estimates has not resulted in adjustments that are significant to our results of operations.
Contract Modifications
When contracts are modified to account for changes in contract specifications and requirements, we consider whether the modification either creates new, or changes existing, enforceable rights and obligations. Contract modifications that are for goods or services that are not distinct from the existing contract, due to the significant integration with the original product or service provided, are accounted for as if they were part of that existing contract. The effect of a contract modification on the transaction price, and our measure of progress for the performance obligation to which it relates, is recognized as an adjustment to revenue (either as an increase in or a reduction of revenue) under the cumulative catch-up method. When the modifications include additional performance obligations that are distinct and at a relative stand-alone selling price, they are accounted for as a new contract and performance obligation and recognized prospectively.
Warranties and Returns
Both Test & Simulation and Sensors provide a manufacturer's warranty on our products and systems which is included in customer contracts. At the time a sale is recognized, we record estimated future warranty costs. See Note 5 for further discussion of our product warranty liabilities. We also offer separately-priced extended warranties or service-type contracts on certain products for which revenue is recognized over the contractual period or as services are rendered.
Our sales terms generally do not allow for a right of return except for situations where the product fails. When the right of return exists, we recognize revenue for the transferred products at the expected amount of consideration for which we will be entitled.
Shipping and Handling
Freight revenue billed to customers is reported within revenue in the Consolidated Statements of Income. Expenses incurred for shipping products to customers are reported within cost of sales in the Consolidated Statements of Income.

Pre-contract Costs
We recognize an asset for the incremental costs of obtaining a contract with a customer (i.e., pre-contract costs) when costs are considered recoverable. Capitalized pre-contract costs, consisting primarily of Test & Simulation sales commissions, are amortized as the related revenue is recognized.
Research and Development Research and DevelopmentResearch and development costs associated with new products are charged to operations as incurred. We have also allocated certain resources to capitalized software development activities.
Foreign Currency Foreign CurrencyThe financial position and results of operations of our foreign subsidiaries are measured using local currency as the functional currency. Assets and liabilities are translated using fiscal period-end exchange rates, and monthly statements of income are translated using average exchange rates applicable to each month, with the resulting adjustments recorded in foreign currency translation gain (loss) adjustments in the Consolidated Statements of Comprehensive Income. Net gains and losses from foreign currency transactions are recognized in the Consolidated Statements of Income.
Cash and Cash Equivalents Cash and Cash EquivalentsCash and cash equivalents represent cash, demand deposits and highly liquid investments with original maturities of three months or less. Cash equivalents are recorded at cost, which approximates fair value. Cash equivalents, both within and outside the U.S., are invested in bank deposits or money market funds and are held in local currency.
Accounts Receivable and Long-Term Contracts
Accounts Receivable and Long-term Contracts
We grant credit to customers and generally do not require collateral or other security from domestic customers. When deemed appropriate, receivables from customers located outside the U.S. are supported by letters of credit from financial institutions. The allowance for doubtful accounts is based on our assessment of the collectability of specific customer accounts and includes consideration of the credit worthiness and financial condition of those specific customers. We record an allowance to reduce receivables to the amount reasonably believed to be collectible and consider factors such as the financial condition of the customer and the aging of the receivables. If there is a deterioration of a customer's financial condition, if we become aware of additional information related to the credit worthiness of a customer or if future actual default rates on trade receivables differ from those currently anticipated, we may adjust the allowance for doubtful accounts, which would affect earnings in the period the adjustments were made.
We enter into long-term contracts for customized equipment sold to our customers. Under the terms of such contracts, revenue recognized over time may be invoiced upon completion of contractual milestones, shipment to the customer or installation and customer acceptance. Unbilled amounts relating to these contracts are included in unbilled accounts receivable, net in the Consolidated Balance Sheets. Amounts unbilled as of October 3, 2020 are expected to be invoiced during fiscal year 2021.
Inventories InventoriesInventories consist of material, labor and overhead costs and are stated at the lower of cost or net realizable value determined under the first-in, first-out accounting method. Certain inventories are measured using the weighted average cost method.
Software Development Costs
Software Development Costs
We capitalize certain software development costs related to software to be sold or otherwise marketed. Capitalized software development costs include purchased materials and services, salary and benefits of our development and technical support staff and other costs associated with the development of new products and services. Software development costs are expensed as incurred until technological feasibility has been established, at which time future costs incurred are capitalized until the product is available for general release to the public. Based on our product development process, technological feasibility is generally established once product and detailed program designs have been completed, uncertainties related to high-risk development issues have been resolved through coding and testing, and we have the capability to manufacture the end product. Once a software product is available for general release to the public, capitalized development costs associated with that product will begin to be amortized to cost of sales in the Consolidated Statements of Income over the product's estimated economic life, using the greater of straight-line or a method that results in cost recognition in future periods that is consistent with the anticipated timing of product revenue recognition. 
Our capitalized software development costs are subject to an ongoing assessment of recoverability, which is impacted by estimates and assumptions of future revenues and expenses for these software products, as well as other factors such as changes in product technologies. Any portion of unamortized capitalized software development costs that is determined to be in excess of net realizable value is expensed in the period such a determination is made.
Impairment of Long-lived Assets
Impairment of Long-lived Assets
Long-lived assets or asset groups, including definite-lived intangible assets ("intangible assets") subject to amortization and property and equipment, are reviewed for impairment whenever events or changes in circumstances such as asset utilization, physical change, legal factors or other matters indicate that the carrying value of those assets may not be recoverable. When this review indicates the carrying value of an asset or asset group exceeds the sum of the undiscounted cash flows expected to result from the use and eventual disposition of the asset or asset group, an asset impairment charge in recognized in earnings in the period such a determination is made. The amount of the impairment loss recorded is the amount by which the carrying value of the impaired asset or asset group exceeds its fair value based on discounted cash flows.
An impairment charge of $36,471 in amortizing intangible assets was recognized in the fourth quarter of fiscal year 2020 in Test & Simulation. These charges relate to technology and patents, trademarks and trade names, and customer lists that experienced a significant decline in asset value due to an overall decline in market conditions as a result of COVID-19, including significant declines in the flight simulation and entertainment markets. These charges are included in the impairment of assets line of the Consolidated Statements of Income. See Note 6 for additional information on impairment charges recorded.
In performing this assessment, we have made reasonable accounting estimates based on the facts and circumstances that were available as of the measurement date considering the developing situation driven by COVID-19. However, if actual results are not consistent with the estimates and assumptions used in the calculations, we may be exposed to future impairment losses that could be material.
Property and Equipment
Property and Equipment
Property and equipment are capitalized at cost, including additions, replacements and improvements. Repairs and maintenance are expensed as incurred. Depreciation is recorded over the following estimated useful lives of the asset:
Asset TypeUseful Life
Buildings and improvements
10 to 40 years
Machinery and equipment
3 to 10 years
Building and equipment additions are generally depreciated on a straight-line basis for financial reporting purposes and on an accelerated basis for income tax purposes.
Impairment of Goodwill and Indefinite-lived Intangible Assets
Impairment of Goodwill and Indefinite-lived Intangible Assets
Goodwill represents the excess of cost over the fair value of the identifiable net assets of businesses acquired and allocated to our reporting units at the time of acquisition. Goodwill for each reporting unit is tested for impairment at least annually, during our fourth quarter, and whenever events occur or circumstances change that indicate the carrying value of the reporting unit may not be recoverable.
Evaluating goodwill for impairment involves the determination of the fair value of each reporting unit in which goodwill is recorded using a qualitative or quantitative analysis. A reporting unit is an operating segment or a component of an operating segment for which discrete financial information is available and reviewed by management on a regular basis. For fiscal year 2020, we identified five reporting units: Legacy Test, E2M, R&D, PCB and Temposonics.
Prior to completing the quantitative analysis, we have the option to perform a qualitative assessment of goodwill for impairment to determine whether it is more likely than not (a likelihood of more than 50%) that the fair value of a reporting unit is less than its carrying value, including goodwill and other intangible assets. If we conclude the fair value is more likely than not less than the carrying amount, a quantitative analysis is performed. Otherwise, no further testing is needed.
If the quantitative analysis is required or elected, the impairment test is used to compare the calculated fair value of each reporting unit to its carrying value, including goodwill and other intangible assets. We estimate the fair value of a reporting unit using both the income approach and the market approach. The income approach uses a discounted cash flow model that requires input of certain estimates and assumptions requiring significant judgment, including projected revenue growth rates, gross profit margins, operating expenses, capital expenditures, working capital requirements, terminal growth rates and discount rates. Revenue growth rates, gross profit margins, operating expenses, capital expenditures and working capital requirements are projected based on each reporting unit's current business, expected developments and operational strategies typically over a five-year period. The discount rates reflect the risk factors associated with the cash flow streams of the reporting unit. The market approach uses a multiple of earnings and revenue based on guidelines for publicly traded companies. If the fair value exceeds the carrying value, no further work is required and no impairment loss is recognized. If the carrying value exceeds the fair value, an impairment loss is recognized in an amount equal to the excess, limited to the total amount of goodwill allocated to that reporting unit.
For our fiscal year 2020 annual goodwill impairment analysis, performed during the fourth quarter, we elected to bypass the qualitative analysis and performed a quantitative analysis for each of our reporting units given the economic impact from COVID-19 and the sustained decline in our stock price. Based on the analysis, our Legacy Test, E2M and PCB reporting units were determined to have a carrying value in excess of their fair value, resulting in goodwill impairment charges of $22,509, $30,835 and $188,174, respectively. These charges are included in the impairment of assets line of the Consolidated Statements of Income. These impairment charges recorded in fiscal year 2020 were primarily the result of a decline in market conditions as a result of COVID-19, including a sustained decrease in our stock price and significant declines in the flight simulation and entertainment markets. As of October 3, 2020, our Legacy Test, E2M, R&D, PCB and Temposonics reporting units had goodwill balances of $4,011, $7,056, $37,773, $178,328 and $1,472, respectively. The fair value exceeded carrying value by a significant margin for our Temposonics and R&D reporting units.

In performing this assessment, we have made reasonable accounting estimates and assumptions in determining the fair value of our reporting units based on the facts and circumstances available as of the measurement date considering the developing situation driven by COVID-19. However, if actual results are not consistent with the estimates and assumptions used in the calculations, we may be exposed to future impairment losses that could be material. Events and conditions that could negatively impact the estimated fair value include a sustained further decline in our stock price, inability to realize the anticipated sales growth opportunities, lack of development of new products and a decrease in projected profitability.
In fiscal year 2019, we performed a qualitative analysis of goodwill for each of our reporting units as described above. Based on the analysis, we determined that it was more likely than not that the fair value exceeded the carrying value for all of our reporting units. Therefore, a quantitative analysis was not necessary for any of our reporting units.
See Note 6 for additional information on goodwill.

Intangible assets with indefinite lives are not amortized. These assets are tested for impairment at least annually, during our fourth quarter, and whenever events occur or circumstances change that indicate the carrying value of the asset may not be recoverable. If a quantitative analysis is deemed necessary, fair value of indefinite-lived intangible assets is determined using a relief from royalty method requiring input of certain estimates and assumptions requiring significant judgment, including the royalty rate, discount rate and projected revenue growth rates.
For our fiscal year 2020 annual indefinite-lived intangible asset impairment analysis, performed during the fourth quarter of fiscal year 2020, we elected to bypass the qualitative analysis and performed a quantitative analysis. Driven by a decline in market conditions as a result of COVID-19, including a sustained decrease in our stock price, we recorded an impairment charge of $13,400 to our only indefinite-lived intangible asset included within Sensors. This charge is included in the impairment of assets line of the Consolidated Statements of Income.
Other Long-term Assets Other Long-term Assets Other assets primarily consist of the cash value of security deposits paid on leased property, life insurance policies and debt issuance costs.
Derivative Financial Instruments Derivative Financial InstrumentsOur results of operations could be materially impacted by changes in foreign currency exchange rates, as well as interest rates on our floating-rate indebtedness. In an effort to manage exposure to these risks, we periodically enter into forward and option currency exchange contracts, interest rate swaps and forward interest rate swaps. Since the market value of these hedging contracts is derived from current market rates, they are classified as derivative financial instruments. We do not use derivatives for speculative or trading purposes. The derivative contracts contain credit risk to the extent that our bank counterparties may be unable to meet the terms of the agreements. The amount of such credit risk is generally limited to the unrealized gains, if any, in such contracts. Such risk is minimized by limiting those counterparties to major financial institutions of high credit quality. For derivative instruments executed under master netting arrangements, we have the contractual right to offset fair value amounts recognized for the right to reclaim cash collateral against obligations to return cash collateral. We do not offset fair value amounts recognized on these derivative instruments.
Income Taxes Income TaxesWe record a tax provision for the anticipated tax consequences of the reported results of operations. Deferred tax assets and liabilities are measured using the currently enacted tax rates that apply to taxable income in effect for the years in which those deferred tax assets and liabilities are expected to be realized or settled. We record a valuation allowance to reduce deferred tax assets to the amount that is believed more likely than not to be realized. We believe it is more likely than not that forecasted income, including income that may be generated as a result of certain tax planning strategies, together with the tax effects of the deferred tax liabilities, will be sufficient to fully recover the remaining net realizable value of our deferred tax assets. In the event that all or part of the net deferred tax assets are determined not to be realizable in the future, an adjustment to the valuation allowance would be charged to earnings in the period such determination is made. In addition, the calculation of tax liabilities involves significant judgment in estimating the impact of uncertainties in the application of complex tax laws. Resolution of these uncertainties in a manner inconsistent with our expectations could have a material impact on our financial condition and operating results.
Stock-Based Compensation
Stock-based Compensation
We measure the cost of employee services received in exchange for the award of equity instruments based on the fair value of the award at the date of grant. We recognize the cost over the period during which an employee is required to provide services in exchange for the award. Forfeitures of stock-based awards are recognized as they occur.
For purposes of determining estimated fair value of stock-based payment awards, we utilize the Black-Scholes option pricing model, which requires the input of certain assumptions requiring management judgment. Because our employee stock option awards have characteristics significantly different from those of traded options and because changes in the input assumptions can materially affect fair value estimates, existing models may not provide a reliable single measure of the fair value of employee stock options. We continue to assess the assumptions and methodologies used to calculate estimated fair value of stock-based compensation. Circumstances may change and additional data may become available over time that could result in
changes to these assumptions and methodologies and thereby materially impact the fair value determination of future grants of stock-based payment awards. If factors change and we employ different assumptions in future periods, the compensation expense recorded may differ significantly from the stock-based compensation expense recorded in the current period.
Loss Contingencies Loss ContingenciesWe establish an accrual for loss contingencies when it is both probable that an asset has been impaired or a liability has been incurred and the amount of the loss can be reasonably estimated. When both of these criteria are not met, we do not establish an accrual. However, when there is at least a reasonable possibility that a loss has been incurred, but it is not probable or reasonably estimable, we disclose the nature of the loss contingency and an estimate of the possible loss or range of loss, as applicable. Any adjustment made to a loss contingency accrual during an accounting period affects the earnings of the period.
Use of Estimates Use of EstimatesThe preparation of financial statements in accordance with U.S. generally accepted accounting principles (GAAP) requires us to make estimates and assumptions that affect the reported amounts of assets and liabilities, disclosure of contingent assets and liabilities as of the date of the financial statements, and reported amounts of revenue and expense during the reporting period. Additionally, we frequently undertake significant technological innovation on certain of our long-term contracts, involving performance risk that may result in delayed delivery of product and/or revenue and gross profit variation due to changes in the ultimate costs of these contracts versus estimates. On an ongoing basis, we evaluate our estimates including those related to receivables, inventory, property and equipment, intangible assets, warranties, accrued expenses, stock-based compensation, income taxes and capitalized software, among others. Actual results could differ from those estimates.
Recently Issued Accounting Pronouncements RECENTLY ISSUED ACCOUNTING PRONOUNCEMENTS
In June 2016, the FASB issued ASU No. 2016-13, Financial Instruments—Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments, followed by related amendments, which changes the accounting for credit losses on instruments measured at amortized cost by adding an impairment model that is based on expected losses rather than incurred losses. An entity will recognize as an allowance its estimate of expected credit losses, which is believed to result in more timely recognition of such losses as the standard eliminates the probable initial recognition threshold. Adoption of the standard is required for annual periods beginning after December 15, 2019, including interim periods within that annual period, which is our fiscal year 2021. The new guidance is required to be adopted using a modified retrospective approach with a cumulative-effect adjustment to retained earnings as of the beginning of the first reporting period of adoption.
We will adopt the new credit losses standard for our fiscal year 2021 under the modified retrospective approach. As a result, we will not adjust our comparative period financial information for periods before the effective date. We continue to make progress with preparation for the adoption and implementation of the new credit loss standard, including changes to estimate calculations and assessment of the impact to our control environment. The impact on our financial condition, results of operations and disclosures is being evaluated but is not expected to be significant.
In August 2018, the FASB issued ASU No. 2018-13, Fair Value Measurements (Topic 820): Disclosure Framework–Changes to the Disclosure Requirements for Fair Value Measurement, which eliminates, amends and adds disclosure requirements for fair value measurements. The standard is required to be adopted for annual periods beginning after December 15, 2019, including interim periods within that annual period, which is our fiscal year 2021. Certain disclosures in the new guidance are to be applied using a retrospective approach while other disclosures are to be applied using a prospective approach. Early adoption is permitted. We will adopt the new standard for our fiscal year 2021 with disclosure changes implemented as part of the filing of our Quarterly Report on Form 10-Q for the first quarter of fiscal year 2021. The impact to our disclosures is being evaluated but is not expected to be significant.

In August 2018, the FASB issued ASU No. 2018-14, Compensation–Retirement Benefits–Defined Benefit Plans–General (Subtopic 715-20): Disclosure Framework–Changes to the Disclosure Requirements for Defined Benefit Plans, which eliminates, amends and adds disclosure requirements for defined benefit pension and other postretirement plans. The standard is required to be adopted for annual periods ending after December 15, 2020, which is our fiscal year 2021. The new guidance is to be applied using a retrospective approach with early adoption permitted. We will adopt the new standard under a retrospective approach for our fiscal year 2021 with disclosure changes implemented as part of the filing of our Annual Report on the Form 10-K for fiscal year 2021. The impact to our disclosures is being evaluated but is not expected to be significant.
In December 2019, the FASB issued ASU 2019-12, Income Taxes (Topic 740): Simplifying the Accounting for Income Taxes, which eliminates certain exceptions to Topic 740's general principles, improves consistent application and simplifies its application. The standard is required to be adopted for annual periods ending after December 15, 2020, which is our fiscal year 2021. We will adopt the new standard for our fiscal year 2021 with disclosure changes implemented as part of the filing of our Quarterly Report on Form 10-Q for the first quarter of fiscal year 2021. The impact to our disclosures is being evaluated but is not expected to be significant.

In April 2020, the FASB issued ASU No. 2020-04, Facilitation of the Effects of Reference Rate Reform on Financial Reporting, which provides relief for companies preparing for discontinuation of interest rates such as LIBOR. The standard can be applied immediately through December 31, 2022, which is our fiscal year 2023. We have not yet evaluated the impact the adoption of this guidance may have on our financial condition, results of operations or disclosures.
Adopted
In February 2016, the FASB issued ASU No. 2016-02, Leases (Topic 842), followed by related amendments (collectively, "the new lease standard"), which requires lessees to recognize most leases on the balance sheet for the rights and obligations created by those leases. We adopted the new lease standard on September 29, 2019 under the modified retrospective transition method and the optional transition method. As a result, we did not adjust our comparative period financial information or make the new required lease disclosures for periods before the effective date. We elected the package of practical expedients to not reassess prior conclusions related to contracts containing leases, lease classification and initial direct costs. In addition, we did not elect to apply the hindsight practical expedient. See Note 4 for our new lease accounting policy and disclosures related to the new lease standard.