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Description of Business and Significant Accounting Policies (Policies)

12 Months Ended

Sep. 28, 2019

Consolidation Principles and Basis of Presentation: The consolidated financial statements have been prepared in accordance with generally accepted accounting principles in the United States of America ("GAAP") and include the accounts of Plexus Corp. and its subsidiaries. All intercompany transactions have been eliminated.

Certain prior period amounts have been reclassified to conform to the current period presentation.

The Company’s fiscal year ends on the Saturday closest to September 30. The Company also uses a "4-4-5" weekly accounting system for the interim periods in each quarter. Each quarter, therefore, ends on a Saturday at the end of the 4-4-5 period. Periodically, an additional week must be added to the fiscal year to re-align with the Saturday closest to September 30. Fiscal 2019, fiscal 2018 and fiscal 2017 each included 52 weeks.

Basis of Presentation

Certain prior period amounts have been reclassified to conform to the current period presentation.

Cash and Cash Equivalents and Restricted Cash

Cash and Cash Equivalents and Restricted Cash: Cash equivalents include short-term highly liquid investments and are classified as Level 1 in the fair value hierarchy described below. Restricted cash represents cash received from customers to settle invoices sold under accounts receivable purchase agreements that is contractually required to be set aside. The restrictions will lapse when the cash is remitted to the purchaser of the receivables. Restricted cash is also classified as Level 1 in the fair value hierarchy described below.

As of September 28, 2019 and September 29, 2018, cash and cash equivalents and restricted cash consisted of the following (in thousands):



	2019		2018
Cash	$	85,688	$	99,197
Money market funds and other	138,073		198,072
Restricted cash	2,493		417
Total cash and cash equivalents and restricted cash	$	226,254	$	297,686

Inventories

Inventories: Inventories are valued at the lower of cost or market. Cost is determined by the first-in, first-out ("FIFO") method. Valuing inventories at the lower of cost or market requires the use of estimates and judgment. Customers may cancel their orders, change production quantities or delay production for a number of reasons that are beyond the Company’s control. Any of these, or certain additional actions, could impact the valuation of inventory. Any actions taken by the Company’s customers that could impact the value of its inventory are considered when determining the lower of cost or market valuations.

In certain instances, in accordance with contractual terms, the Company receives customer deposits to offset obsolete and excess inventory risks.

Property, Plant and Equipment and Depreciation

Property, Plant and Equipment and Depreciation: Property, plant and equipment is stated at cost and depreciated using the straight-line method over the estimated useful lives of the respective assets. Estimated useful lives for major classes of depreciable assets are generally as follows:



Buildings and improvements	5-39 years
Machinery and equipment	3-7 years
Computer hardware and software	3-10 years

Certain facilities and equipment held under capital leases are classified as property, plant and equipment and amortized using the straight-line method over the term of the lease and the related obligations are recorded as liabilities. Amortization of assets held under capital leases is included in depreciation expense (see Note 3, "Property, Plant and Equipment") and the financing component of the lease payments is classified as interest expense. Maintenance and repairs are expensed as incurred.

The Company capitalizes significant costs incurred in the acquisition or development of software for internal use. This includes costs of the software, consulting services and compensation costs for employees directly involved in developing internal use computer software.

Impairment of Long-Lived Assets

Impairment of Long-Lived Assets: Long-lived assets, including property, plant and equipment and intangible assets with finite lives are reviewed for impairment and written down to fair value when facts and circumstances indicate that the carrying value of long-lived assets or asset groups may not be recoverable through estimated future undiscounted cash flows. If an impairment has occurred, a write-down to estimated fair value is made and the impairment loss is recognized as a charge against current operations. The impairment analysis is based on management’s assumptions, including future revenue and cash flow projections. Circumstances that may lead to impairment of property, plant and equipment and intangible assets with finite lives include reduced expectations for future performance or industry demand and possible further restructurings, among others.

Revenue Recognition

Revenue Recognition: ASU 2014-09, Topic 606, which was adopted at the beginning of fiscal 2019, resulted in a change to the timing of revenue recognition for a significant portion of the Company's revenue, whereby revenue is now recognized over time as products are produced, as opposed to at a point in time based upon shipping terms. Since adopting the standard, revenue is recognized over time for arrangements with customers for which: (i) the Company's performance does not create an asset with an alternative use to the Company, and (ii) the Company has an enforceable right to payment, including a reasonable profit margin, for performance completed to date. Revenue recognized over time is estimated based on costs incurred to date plus a reasonable profit margin. If either of the two conditions noted above are not met to recognize revenue over time, revenue is recognized following the transfer of control of such products to the customer, which typically occurs upon shipment or delivery depending on the terms of the underlying arrangement.

The Company recognizes revenue when a contract exists and when, or as, it satisfies a performance obligation by transferring control of a product or service to a customer. Contracts are accounted for when they have approval and commitment from both parties, the rights of the parties are identified, payment terms are identified, 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.

The Company generally enters into a master services arrangement that establishes the framework under which business will be conducted. These arrangements represent the master terms and conditions of the Company's services that apply to individual orders, but they do not commit the customer to work with, or to continue to work with, the Company nor do they obligate the customer to any specific volume or pricing of purchases. Moreover, these terms can be amended in appropriate situations. Customer purchase orders are received for specific quantities with predominantly fixed pricing and delivery requirements. Thus, for the majority of our contracts, there is no guarantee of any revenue to the Company until a customer submits a purchase order. As a result, the Company generally considers its arrangement with a customer to be the combination of the master services arrangement and the purchase order. Most of the Company's arrangements with customers create a single performance obligation as the promise to transfer the individual manufactured product or service is capable of being distinct.

The Company’s performance obligations are satisfied over time as work progresses or at a point in time. A performance obligation is satisfied over time if the Company has an enforceable right to payment, including a reasonable profit margin. Determining if an enforceable right to payment includes a reasonable profit margin requires judgment and is assessed on a contract by contract basis.

If an enforceable right to payment for work-in-process does not exist, revenue is recognized following the transfer of control of such products to the customer, which typically occurs upon shipment or delivery depending on the terms of the underlying contract.

For contracts requiring over time revenue recognition, the selection of the method to measure progress towards completion requires judgment and is based on the nature of the products or services to be provided. The Company uses a cost-based input measurement of progress because it best depicts the transfer of assets to the customer, which occurs as costs are incurred during the manufacturing process or as services are rendered. Under the cost-based measure of progress, the extent of progress towards completion is measured based on the costs incurred to date.

Generally, there are no subjective customer acceptance requirements or further obligations related to goods or services provided; if such requirements or obligations exist, then a sale is recognized at the time when such requirements are completed and such obligations are fulfilled.

The Company does not allow for a general right of return. Net sales include amounts billed to customers for shipping and handling and out-of-pocket expenses. The corresponding shipping and handling costs and out-of-pocket expenses are included

in cost of sales. Taxes assessed by a governmental authority that are both imposed on and concurrent with a specific revenue-producing transaction, that are collected by the Company from a customer, are excluded from net sales.

Net sales from engineering design and development services, which are generally performed under contracts with a duration of twelve months or less, are typically recognized as program costs are incurred by utilizing the proportional performance model. The completed performance model is used if certain customer acceptance criteria exist. Any losses are recognized when anticipated. Net sales from engineering design and development services were less than 5.0% of consolidated net sales for each of fiscal 2019, 2018 and 2017.

Income Taxes

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 and operating loss and tax credit carryforwards. 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 Company maintains valuation allowances when it is more likely than not that all or a portion of a deferred tax asset will not be realized. In determining whether a valuation allowance is required, the Company takes into account such factors as prior earnings history, expected future earnings, carryback and carryforward periods, and tax strategies that could potentially enhance the likelihood of the realization of a deferred tax asset.

Foreign Currency Translation and Transactions

Foreign Currency Translation & Transactions: The Company translates assets and liabilities of subsidiaries operating outside of the U.S. with a functional currency other than the U.S. dollar into U.S. dollars using exchange rates in effect at the relevant balance sheet date and net sales, expenses and cash flows at the average exchange rates during the respective periods. Adjustments resulting from translation of the financial statements are recorded as a component of "Accumulated other comprehensive loss." Exchange gains and losses arising from transactions denominated in a currency other than the functional currency of the entity involved and remeasurement adjustments for foreign operations where the U.S. dollar is the functional currency are included in the Consolidated Statements of Comprehensive Income as a component of "Miscellaneous, net." Exchange gains on foreign currency transactions were $0.5 million, $1.2 million and $2.3 million for fiscal 2019, 2018 and 2017, respectively. These amounts include the amount of gain recognized in income during each fiscal year due to forward currency exchange contracts entered into to hedge recognized assets or liabilities ("non-designated hedges") the Company entered into during each respective year. Refer to Note 5, "Derivatives and Fair Value Measurements," for further details on derivatives.

Derivatives

Derivatives: All derivatives are recognized on the balance sheets at fair value. The Company periodically enters into forward currency exchange contracts and interest rate swaps. On the date a derivative contract is entered into, the Company designates the derivative as a non-designated hedge or a hedge of a forecasted transaction or of the variability of cash flows to be received or paid related to a recognized asset or liability (a "cash flow" hedge). The Company does not enter into derivatives for speculative purposes. Changes in the fair value of non-designated derivatives are recorded in earnings as are the gains or losses related to the hedged asset or liability. Changes in the fair value of a derivative that qualifies as a cash flow hedge are recorded in "Accumulated other comprehensive loss" within shareholders' equity, until earnings are affected by the variability of cash flows. Certain forward currency exchange contracts are treated as cash flow hedges and, therefore, $1.1 million, $(3.9) million and $2.4 million was recorded in "Accumulated other comprehensive loss" for fiscal 2019, 2018 and 2017, respectively. See Note 5, "Derivatives and Fair Value Measurements," for further information.

Grants from Government Authorities

Grants from Government Authorities: Grants from governments are recognized at their fair value where there is reasonable assurance that the grant funds will be received and the Company will comply with all attached conditions to the grant. Government grants relating to property, plant and equipment are recorded as an offset to the carrying value of the related assets at the time of capitalization. Government grants relating to other costs incurred are recognized as an offset to those related costs, for which the grants are intended to compensate for, at the time they are recognized.

Earnings Per Share

Earnings Per Share: The computation of basic earnings per common share is based upon the weighted average number of common shares outstanding and net income. The computation of diluted earnings per common share reflects additional dilution from share-based awards, excluding any with an antidilutive effect. See Note 7, "Earnings Per Share," for further information.

Share-based Compensation

Share-based Compensation: The Company measures all grants of share-based payments to employees, including grants of employee stock options, at fair value and expenses them in the Consolidated Statements of Comprehensive Income over the service period (generally the vesting period) of the grant. See Note 9, "Benefit Plans," for further information.

Comprehensive Income (Loss)

Comprehensive Income (Loss): The Company follows the established standards for reporting comprehensive income (loss), which is defined as the changes in equity of an enterprise except those resulting from shareholder transactions.

Accumulated other comprehensive loss consists of the following as of September 28, 2019 and September 29, 2018 (in thousands):



	2019			2018
Foreign currency translation adjustments	$	(17,395	)	$	(10,540	)
Cumulative change in fair value of derivative instruments	(389		)	(1,439		)
Accumulated other comprehensive loss	$	(17,784	)	$	(11,979	)

Refer to Note 5, "Derivatives and Fair Value Measurements," for further explanation regarding the change in fair value of derivative instruments that is recorded to "Accumulated other comprehensive loss."

Use of Estimates

Use of Estimates: The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the amounts reported in the financial statements and accompanying notes. Actual results could differ from those estimates.

Fair Value of Financial Instruments

Fair Value of Financial Instruments: The Company holds financial instruments consisting of cash and cash equivalents, restricted cash, accounts receivable, certain deferred compensation assets held under trust arrangements, accounts payable, debt, derivatives, and capital lease obligations. The carrying values of cash and cash equivalents, restricted cash, accounts receivable, and accounts payable as reported in the consolidated financial statements approximate fair value. Derivatives and certain deferred compensation assets held under trust arrangements are recorded at fair value. Accounts receivable are reflected at net realizable value based on anticipated losses due to potentially uncollectible balances. Anticipated losses are based on management’s analysis of historical losses and changes in customers’ credit status. The fair value of the Company’s debt was $252.3 million and $151.9 million as of September 28, 2019 and September 29, 2018, respectively. The carrying value of the Company's debt was $245.0 million and $150.0 million as of September 28, 2019 and September 29, 2018, respectively. The Company uses quoted market prices when available or discounted cash flows to calculate fair value. If measured at fair value in the financial statements, long-term debt (including the current portion) would be classified as Level 2 in the fair value hierarchy described below. The fair values of the Company’s derivatives are disclosed in Note 5, "Derivatives and Fair Value Measurements." The fair values of the deferred compensation assets held under trust arrangements are discussed in Note 9, "Benefit Plans."

Fair value is defined as the exchange price that would be received for an asset or paid to transfer a liability (or exit price) in the principal or most advantageous market for the asset or liability in an orderly transaction between market participants on the measurement date. Valuation techniques used to measure fair value must maximize the use of observable inputs and minimize the use of unobservable inputs. The accounting guidance establishes a fair value hierarchy based on three levels of inputs that may be used to measure fair value. The input levels are:

Level 1: Quoted (observable) market prices in active markets for identical assets or liabilities.

Level 2: Inputs other than Level 1 that are observable, such as 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 substantially the full term of the asset or liability.

Level 3: Unobservable inputs that are supported by little or no market activity and that are significant to the fair value of the asset or liability.

Business and Credit Concentrations

Business and Credit Concentrations: Financial instruments that potentially subject the Company to concentrations of credit risk consist of cash, cash equivalents, trade accounts receivable and derivative instruments, specifically related to counterparties. In accordance with the Company’s investment policy, the Company’s cash, cash equivalents and derivative instruments were placed with recognized financial institutions. The Company’s investment policy limits the amount of credit exposure in any one issue and the maturity date of the investment securities that typically comprise investment grade short-term debt instruments. Concentrations of credit risk in accounts receivable resulting from sales to major customers are discussed in Note 11, "Reportable Segments, Geographic Information and Major Customers". The Company, at times, requires cash deposits for services performed. The Company also closely monitors extensions of credit.

Recently Adopted and Issued Accounting Pronouncements Not Yet Adopted

Recently Adopted Accounting Pronouncements:

In October 2016, the Financial Accounting Standards Board (the "FASB") issued ASU 2016-16 related to the income tax consequences of intra-entity transfers of assets other than inventory. The new standard eliminates the exception for an intra-entity transfer of an asset other than inventory and requires an entity to recognize the income tax consequences when the transfer occurs. The Company adopted this guidance under the modified retrospective approach during the first quarter of fiscal

2019. The Company recognized no net impact to its fiscal 2019 opening Retained Earnings balance upon adoption and does not anticipate any material impact to the Company's future Consolidated Financial Statements.

In August 2016, the FASB issued ASU 2016-15 related to the classification of certain cash receipts and cash payments, which clarifies how entities should classify certain cash receipts and cash payments on the statement of cash flows. The new standard addresses certain issues where diversity in practice was identified. It also amends existing guidance, which is principles based and often requires judgment to determine the appropriate classification of cash flows as operating, investing or financing activities and clarifies how the predominance principle should be applied when cash receipts and cash payments have aspects of more than one class of cash flows. The Company adopted this guidance during the first quarter of fiscal 2019 with no material impact to the Company's Statements of Cash Flows.

In May 2014, the FASB issued ASU 2014-09, which requires an entity to recognize revenue relating to contracts with customers that depicts the transfer of promised goods or services to customers in an amount reflecting the consideration to which the entity expects to be entitled in exchange for such goods or services ("Topic 606"). Topic 606 also requires disclosures enabling users of financial statements to understand the nature, amount, timing, and uncertainty of revenue and cash flows arising from contracts with customers and was effective for the Company beginning in the first quarter of fiscal year 2019.

On September 30, 2018, the Company adopted and applied Topic 606 to all contracts using the modified retrospective method of adoption. Upon adoption, the Company recognized an increase to its fiscal 2019 beginning Retained Earnings balance of $7.8 million. The comparative information has not been restated and continues to be reported under the accounting standards in effect for those periods. Refer to Note 15, "Revenue from Contracts with Customers," for further information.

Recently Issued Accounting Pronouncements Not Yet Adopted:

In February 2016, the FASB issued ASU 2016-02, which requires lessees to recognize most leases on their balance sheets but record expenses on their income statements in a manner similar to current accounting. For lessors, the guidance modifies the classification criteria and the accounting for sales-type and direct financing leases. The guidance is effective for the Company beginning in the first quarter of fiscal year 2020. The standard must be adopted using a modified retrospective approach. The Company will adopt the standard in the first quarter of fiscal year 2020 and intends to elect the package of practical expedients offered, which allows entities to not reassess: (i) whether any contracts prior to the adoption date are or contain leases, (ii) lease classification, and (iii) whether capitalized initial direct costs continue to meet the definition of initial direct costs under the new guidance. For all new and modified leases after adoption, management elected the short-term lease recognition exemption for all of the Company’s leases that qualify, in addition to the practical expedient to not separate lease and nonlease components. Upon adoption of this new guidance, the Company expects to recognize $35 million to $55 million of right-of-use assets and corresponding lease liabilities on its Consolidated Balance Sheets. The Company also expects to reclassify amounts currently held on the balance sheet to right-of-use assets and lease liabilities upon adoption due to existing arrangements subject to the new standard. In addition, the Company expects to recognize a decrease to fiscal 2020 beginning Retained Earnings of $0 - $5 million as a result of two existing build-to-suit arrangements for the facilities in Guadalajara, Mexico that were reassessed to be finance leases under the new standard. The Company does not expect the adoption will have a material impact to its Consolidated Statements of Cash Flows or Consolidated Statements of Comprehensive Income.

In June 2016, the FASB issued ASU 2016-13, which replaces the current incurred loss impairment methodology with a methodology that reflects expected credit losses and required consideration of a broader range of reasonable and supportable information to inform credit loss estimates. This guidance is effective for the Company beginning in the first quarter of fiscal year 2021. Early adoption is permitted. The Company is currently in the process of assessing the impact of the adoption of the new standard on its Consolidated Financial Statements.

In August 2017, the FASB issued ASU 2017-12 related to the accounting for hedging activities. The pronouncement expands and refines hedge accounting, aligns the recognition and presentation of the effects of hedging instruments and hedge items in the financial statements, and includes certain targeted improvements to ease the application of current guidance related to the assessment of hedge effectiveness. The guidance is effective for the Company beginning in the first quarter of fiscal year 2020. The adoption of the new standard is not expected to have a material impact on the Company's Consolidated Financial Statements; however, the impact of the new standard on future periods will depend on the facts and circumstances of future transactions.

The Company believes that no other recently issued accounting standards will have a material impact on its Consolidated Financial Statements, or apply to its operations.