dorm-10k_20191228.htm

Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. Yes ☒ No ☐

Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Securities Act. Yes ☐ No ☒

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes ☒ No ☐

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). Yes ☒ No ☐

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of "large accelerated filer", "accelerated filer", “smaller reporting company”, and “emerging growth company” in Rule 12b-2 of the Exchange Act:

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.☐

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes ☐ No ☒

As of February 21, 2020 the registrant had 32,554,663 shares of common stock, $0.01 par value, outstanding. The aggregate market value of the voting and non-voting common equity held by non-affiliates of the registrant as of June 29, 2019 was $1,964,315,544.

As used herein, unless the context otherwise requires, “Dorman,” the Company, “we,” “us,” or “our” refers to Dorman Products, Inc. and its subsidiaries.

This Annual Report on Form 10-K contains the registered and unregistered trademarks or service marks of Dorman and are the property of Dorman Products, Inc. and/or its affiliates. This Annual Report on Form 10-K also contains additional trade names, trademarks or service marks belonging to us and other companies. We do not intend our use or display of other parties’ trademarks, trade names or service marks to imply, and such use or display should not be construed to imply, a relationship with, or endorsement or sponsorship of us by these parties.

Certain statements in this document constitute “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995, including statements related to net sales, gross profit, gross margin, SG&A expenses, net income, diluted earnings per share, customs duties, the Company’s site consolidation activities and duplication of facility costs, operational costs, continued launch of new products, growth rates and future growth prospects, long-term value, acquisition opportunities and the Company’s outlook based on its addressable market the Company’s growth opportunities, future business prospects, costs and timing of our site consolidation efforts, net sales, margins, acquisitions, investments, cost offsets, quarterly fluctuations, new product development, customer concessions, fluctuations in foreign currency, mitigation of tariffs, available capital and liquidity. Words such as “may,” “believe,” “demonstrate,” “expect,” “estimate,” “forecast,” “project,” “plan,” “anticipate,” “intend,” “should,” “will” and “likely” and similar expressions identify forward-looking statements. However, the absence of these words does not mean the statements are not forward-looking. In addition, statements that are not historical should also be considered forward-looking statements. Readers are cautioned not to place undue reliance on those forward-looking statements, which speak only as of the date the statement was made. Such forward-looking statements are based on current expectations that involve a number of known and unknown risks, uncertainties and other factors (many of which are outside of our control) which may cause actual events to be materially different from those expressed or implied by such forward-looking statements. Should one or more of these risks or uncertainties materialize, or should underlying assumptions prove incorrect, actual results may vary materially from those anticipated, estimated or projected. For information concerning factors that could cause actual results to differ materially from the information contained in this report, reference is made to the information in Part I, “Item 1A, “Risk Factors.” The Company is under no obligation to (and expressly disclaims any such obligation to) update any of the information in this report if any forward-looking statement later turns out to be inaccurate whether as a result of new information, future events or otherwise.

We are one of the leading suppliers of replacement parts and fasteners for passenger cars, light trucks, and heavy duty trucks in the automotive aftermarket industry. As of December 28, 2019, we marketed approximately 78,000 unique parts as compared to approximately 77,000 as of December 29, 2018, many of which we designed and engineered. Unique parts exclude private label stock keeping units (“SKU’s”) and other variations in how we market, package and distribute our products, but include unique parts of acquired companies. We are one of the leading aftermarket suppliers of original equipment (“OE”) “dealer exclusive” items. Original equipment “dealer exclusive” items are those which were traditionally available to consumers only from original equipment manufacturers or used parts from salvage yards and include, among other parts, intake manifolds, exhaust manifolds, window regulators, radiator fan assemblies, tire pressure monitor sensors, exhaust gas recirculation (EGR) coolers and complex electronics modules. Fasteners include such items as oil drain plugs, wheel bolts, and wheel lug nuts. For fiscal 2019, approximately 72% of our products are sold under brands that we own, and the remainder of our products are sold for resale under customers' private labels, other brands or in bulk. Our products are sold primarily in the United States through automotive aftermarket retailers (such as Advance Auto Parts, Inc. (“Advance”), AutoZone, Inc. (“AutoZone”), and O'Reilly Automotive, Inc. (“O’Reilly”)), including through their online platforms; national, regional and local warehouse distributors (such as Genuine Parts Co. – NAPA (“NAPA”)); and specialty markets, and salvage yards. We also distribute automotive aftermarket parts internationally, with sales primarily into Canada and Mexico, and to a lesser extent, Europe, the Middle East, and Australia.

The automotive aftermarket industry has two distinct sectors: parts for passenger cars and light trucks, which accounted for projected industry sales of approximately $305.5 billion in 2019¹, and parts for medium and heavy duty trucks, which accounted for projected industry sales of approximately $99.8 billion in 2019¹. We sell products primarily for passenger cars and light trucks, including those with diesel engines and, since 2012, for medium and heavy duty trucks. Two distinct groups of end-users buy replacement vehicle parts for passenger cars and light trucks: (i) individual consumers, who purchase parts to perform "do-it-yourself" repairs on their own vehicles; and (ii) professional installers, which include vehicle repair shops and the dealership service departments. Individual consumers typically are supplied through retailers and through the retail arms of warehouse distributors. Vehicle repair shops generally purchase parts through local independent parts wholesalers and through national parts distributors. Automobile dealership service departments generally obtain parts through the distribution systems of vehicle manufacturers and specialized national and regional parts distributors.

Spending in the aftermarket for parts for passenger cars and light trucks, as well as medium and heavy duty trucks, generally can be grouped into three categories: discretionary, maintenance, and repair. Discretionary, such as accessories and performance, tends to move in-line with consumer discretionary spending. Maintenance is composed of products and services, such as oil and oil changes, and tends to be less correlated with discretionary spending. Repair consists mainly of replacement parts which fail over time and tends to be less cyclical as it is largely comprised of parts necessary for a vehicle to function properly or safely. The majority of our products fall into the repair category.

The increasing complexity of automobiles and the number of different makes and models of automobiles have resulted in a significant increase in the number of products required to service the domestic and foreign automotive fleets. Accordingly, the number of parts required to be carried by retailers and wholesale distributors has increased substantially, which is reflected in the increase in the number of unique parts we marketed in 2019 as compared to

2018. The requirement to include more products in inventory and the significant consolidation among distributors of automotive replacement parts have in turn resulted in larger distributors. See Item 1A, “Risk Factors” for information regarding the potential impacts of consolidation on our business.

Retailers and others who purchase automotive aftermarket parts for resale are constrained to a finite amount of space in which to display and stock products. Thus, the reputation for quality, customer service, and line profitability which a supplier enjoys are significant factors in a retailer’s or other reseller’s decision as to which product lines to carry in the limited space available. Further, because of the efficiencies achieved through the ability to order all or part of a complete line of products from one supplier (with possible volume discounts), as opposed to satisfying the same requirements through a variety of different sources, retailers and other resellers of automotive aftermarket parts seek to purchase products from fewer but stronger suppliers.

We market our products under the DORMAN® brand name and several sub-brands, which identify products that address specific segments of the automotive aftermarket industry. In addition, across all of our sub-brands, customers can find a subset of products that have been branded OE Fix products.

Our OE FIX products solve common problems with the original equipment manufacturer (OEM) repair alternative. These products are made to better serve the installer and vehicle owner by helping to reduce repair costs, save installation time, increase reliability and improve serviceability.

DORMAN® OE Solutions ® - A wide variety of replacement parts we introduced to the automotive aftermarket, covering many product categories across all areas of the vehicle, including fluid reservoirs, variable value timing components, complex electronics, and integrated door lock actuators.

DORMAN® HELP! ® - Broad assortment of small automotive replacement parts that are primarily sold in retail store fronts such as door handles, keyless remotes and cases and door hinge repair parts.

DORMAN® HD Solutions™ - Heavy duty aftermarket parts for class 4-8 vehicles. These products include lighting, cooling, engine management, wheel hardware, air tanks and cab products.

We group our products into four major classes: power-train, chassis, automotive body, and hardware. The following table represents each of the four classes as a percentage of net sales for each of the last three fiscal years:

Our power-train product line includes intake and exhaust manifolds, cooling products, harmonic balancers, fluid lines, fluid reservoirs, connectors, 4-wheel drive components and axles, drain plugs, and other engine, transmission and axle components. Chassis products include control arms, brake hardware and hydraulics, wheel and axle hardware, suspension arms, knuckles, links, bushings, and other suspension, steering, and brake components. Our line of automotive body products include door handles and hinges, window lift motors, window regulators, switches and handles, wiper components, lighting, electrical, and other interior and exterior automotive body components. Hardware products include threaded bolts, auto body and home fasteners, automotive and home electrical wiring components, and other hardware assortments and merchandise.

We warrant our products against certain defects in material and workmanship when used as designed on the vehicle on which it was originally installed. We offer a limited lifetime warranty on most of our products. Our standard warranty limits the customer’s remedy to the repair or replacement of the part that is defective.

Product development and continuous innovation are central to our business. The development of a broad range of products, many of which are not conveniently or economically available elsewhere, has enabled us to grow to our present size and is an important driver for our future growth. Our product strategy has been to design and engineer products, many of which we believe are better and easier to install and/or use than the original parts they replace, and to commercialize automotive parts for the broadest possible range of uses. New product ideas are reviewed by our product management staff and a cross-functional in-house team. The following table represents the number of unique parts we introduced for each of the last three fiscal years:

For example, in 2019, we introduced several new product categories to the aftermarket, including direct fit, remanufactured infotainment units, magnetic ride control shock absorbers and axle support bearing brackets. Each of these solutions gives installers and consumers additional choice when searching for reliable, affordable replacements.

Other innovative technologies we released in 2019 include ABS control modules, electric power steering pumps and electronic throttle bodies, many of which are OE FIX products that offer additional durability against wear and elements to reduce potential failure points and help avoid future repairs.

Our product teams also grow categories by introducing new products that are designed to fit more vehicles, providing enhanced opportunities for aftermarket service providers to serve their customers. In 2019, we extended our lines in strategic categories such as fuel tanks and fillers, knuckle assemblies and drive shafts.

Some of our most popular innovations are those that help save vehicle owners significant savings over other repair alternatives, such as rust repair solutions. Our truck bed floor supports, differential covers and fuel tank crossmembers often eliminate the need to replace entire truck beds, axles and other large vehicle sections by facilitating direct repair of corroded components.

We also grew our lines of diesel and heavy duty solutions in fiscal 2019, introducing hundreds of new products in categories such as heavy duty air tanks, heavy duty wheel hardware and diesel aftertreatment, such as hydrocarbon injectors, DPF filters and OE FIX EGT sensors.

We market our products to three groups of purchasers who in turn supply individual consumers and professional installers. Our products are also available in our customers’ retail stores, on our customers’ websites, and through warehouse distributors. Based on net sales to our customers as of December 28, 2019:

(i) approximately 52% of our net sales were generated from sales to automotive aftermarket retailers, including major chains such as, Advance, AutoZone and O'Reilly;

(ii) approximately 41% of our net sales were generated from sales to warehouse distributors, such as NAPA, which may be local, regional or national in scope, and which also may engage in retail sales; and

(iii) approximately 7% of our net sales were generated from our heavy duty channel and sales to special markets, which include, among others, mass merchants, such as Wal-Mart, salvage yards and the parts distribution systems of OE parts manufacturers.

We have a sales and sales support team of over 90 people who sell our products either directly to our customers or, with respect to certain select customers, indirectly through independent manufacturers’ representative agencies worldwide.

Our sales efforts are not directed merely at selling individual products, but more broadly towards selling our entire product portfolio. Our sales strategy includes increasing sales not only by securing new customers, but also by adding new product lines and by expanding product selection within existing customers, in an effort to make our customers a destination for new-to-the-aftermarket products.

We use online catalogs, application guides, digital marketing tools, training materials, videos and additional content to describe and sell our products and other applications as well as to train our customers' sales teams. Our primary website, www.dormanproducts.com, provides a search engine that can be used to search our extensive catalog. The information on the website is not and should not be considered part of this Form 10-K and is not incorporated by reference in this Form 10-K.

As of December 28, 2019, we serviced more than 2,600 active accounts. During fiscal 2019, fiscal 2018 and fiscal 2017, four customers (Advance, AutoZone, NAPA, and O'Reilly) each accounted for more than 10% of net sales and in the aggregate accounted for approximately 66% of net sales in fiscal 2019, 63% in fiscal 2018, and 61% in fiscal 2017.

Substantially all of our products are manufactured by third parties. We engage professional manufacturing firms around the world to develop and manufacture products according to our performance and design specifications, using tooling that we own. In fiscal 2019, as a percentage of our total dollar volume of purchases, approximately 21% of our products were purchased from various suppliers throughout the United States and the balance of our products were purchased directly from suppliers outside of the United States. Our global supplier network provides access to a broad array of manufacturing capabilities and technologies while limiting our dependency on any single source of supply. While our supplier selection and sourcing programs will continue to leverage our strategic manufacturing firms, for a substantial portion of our product portfolio, we also have qualified alternative sources available to provide additional support and capacity, if needed. We make a concerted effort to build and nurture strong, healthy relationships with our suppliers. In fiscal 2019, we purchased automotive products

in substantial volumes from over 250 suppliers. For fiscal 2019, no single supplier accounted for more than 10% of our total product purchases.

Finished products are received at one or more of our facilities, depending on the type of part. It is our practice to inspect samples of shipments based upon supplier performance. If cleared, these shipments of finished parts are logged into our computerized production tracking systems and staged for packaging, if necessary.

We employ a variety of custom-designed packaging machines which include blister sealing, skin film sealing, clamshell sealing, bagging and boxing lines. Packaged product generally contains our label (or a private label), a part number, a universal packaging bar code suitable for electronic scanning, a description of the part and, if appropriate, installation instructions. Products are also sold in bulk to automotive parts manufacturers and packagers. Computerized tracking systems, mechanical counting devices and experienced workers combine to help ensure that the proper variety and numbers of parts meet the correct packaging materials at the appropriate places and times to produce the required quantities of finished products.

Packaged inventory is stocked in the warehouse portions of our facilities and is organized to facilitate the most efficient methods of retrieving product to fill customer orders. We strive to maintain a level of inventory to adequately meet current customer order demand with additional inventory to satisfy new customer orders and special programs.

We ship our products from each of our locations by contract carrier, common carrier or parcel service. Products are generally shipped to each customer's main warehouses for redistribution within their network. In certain circumstances, at the request of the customer, we ship directly to the customer's warehouses, stores or other locations either via smaller direct ship orders or consolidated store orders that are cross docked.

Certain products we sell contain parts that can be recycled, or as more commonly referred to in our industry, remanufactured. We refer to the used product that is ultimately remanufactured as core. A used core is remanufactured and sold to the customer as a replacement for a unit on a vehicle. Customers and end-users that purchase remanufactured products will generally return the used core to us, which we then use in the remanufacturing process to make another finished good. Our core inventory consists of used cores purchased and held in our facilities, used cores that are in the process of being returned from our customers and end-users, and remanufactured cores held in finished goods inventory at our facilities. Our products that utilize cores primarily include instrument clusters, hybrid batteries and climate control modules.

The automotive aftermarket industry is highly competitive. Various competitive factors affecting the automotive aftermarket are price, product quality, breadth of product line, range of applications and customer service. Substantially all our products are subject to competition with similar products manufactured by other manufacturers of automotive aftermarket repair and replacement parts. Some of these competitors are divisions and subsidiaries of companies much larger than us and possess a longer history of operations and greater financial and other resources than we do. We also face competition from OE manufacturers who sell through their dealerships many of the same replacement parts that we sell, although these manufacturers generally sell parts only for cars they produce. Our customers may also be successful in sourcing some of our products directly from suppliers. Further, some of our private label customers also compete with us. For more information on risks relating to our competition, see Item 1A, “Risk Factors – Our industry is highly competitive, and our success depends on our ability to compete with suppliers of automotive aftermarket products, some of which may have substantially greater financial, marketing and other resources than we do.”

Our business can be affected by weather conditions. Extremely hot or cold weather generally results in an increase in automotive parts failure at an accelerated rate, which generally leads to an increase in our sales for the duration of the extreme weather event.

We own a number of patents important to our business, and we expect to continue to file patent applications to protect our research and development investments in new products. As of December 28, 2019, we held 62 patents and 18 pending patent applications, including foreign counterpart patents and foreign applications. For the U.S., patents may be 20 years from the date of the patent's filing, depending upon term adjustments made by the patent office. In addition, we hold numerous trademarks, in the U.S. and in other countries. We also have licenses to intellectual property for the manufacture, use and sale of certain of our products.

We obtain patent and other intellectual property rights used in connection with our business when practicable and appropriate. Historically, we have done so both organically, through commercial relationships, and in connection with acquisitions.

For more information concerning the risks related to patents, trademarks and other intellectual property, see Item 1A, "Risk Factors-Risks Related to Our Business-Intellectual Property and Information Security-We may be subject to litigation and infringement claims, which could cause us to incur significant expenses or prevent us from selling our products or services." and “Claims of intellectual property infringement by original equipment manufacturers and others could adversely affect our business and negatively impact our ability to develop new products.”

At December 28, 2019, we had 2,742 employees worldwide, of which less than 10 were employed part-time and all others were employed full-time. “Operations” consists of employees engaged in production, inventory and quality control. “Product Development” includes employees involved in product development and purchasing. “Quality and Engineering” consists of employees involved in internal and external quality management, manufacturing engineering, design, and testing. “Sales” includes employees employed in sales and customer service. “Administration” includes executive officers and individuals employed in finance, legal, information technology, and human resources.

None of our global employees are covered by a collective bargaining agreement. We consider our relations with our employees to be generally good.

Our Internet address is www.dormanproducts.com. The information on the website is not and should not be considered part of this Form 10-K and is not incorporated by reference in this Form 10-K. The website is, and is only intended to be, for reference purposes only. We make available free of charge on or through our website our Annual Report on Form 10-K, quarterly reports on Form 10-Q and current reports on Form 8-K, and amendments to those reports filed or furnished pursuant to Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended (the “Exchange Act”) as soon as reasonably practicable after we electronically file such material with, or furnish it to, the Securities and Exchange Commission (the “SEC”). In addition, we will provide, at no cost, paper or

electronic copies of our reports and other filings made with the SEC. Requests should be directed to: Attention: Corporate Secretary, Dorman Products, Inc., 3400 East Walnut Street, Colmar, Pennsylvania 18915.

In addition to the other information set forth in this report, you should carefully consider the following factors, which could materially affect our business, financial condition or future results. The risks described below are not the only risks we face. Additional risks and uncertainties not currently known to us or that we currently deem to be immaterial also may materially affect our business, financial conditions or results of operations. The risks are listed below in no particular order.

Our industry is highly competitive, and our success depends on our ability to compete with suppliers of automotive aftermarket products, some of which may have substantially greater financial, marketing and other resources than we do.

The automotive aftermarket industry is highly competitive, and our success depends on our ability to compete with domestic and international suppliers of automotive aftermarket products. Due to the diversity of our product offering, we compete against a large cross section of aftermarket companies and brands, including, but not limited to, Cardone Industries, Inc., Standard Motor Products, Inc., Tenneco, Inc., Bosch Auto Parts, Gates Corporation, Continental Automotive Systems, Inc. (VDO), MevoTech LP, ACDelco (owned by General Motors Company), Motorcraft (owned by Ford Motor Company) and numerous category specific competitors. In addition, we face competition from original equipment manufacturers, which, through their automotive dealerships, supply many of the same types of replacement parts we sell.

Some of our competitors may have larger customer bases and significantly greater financial, technical and marketing resources than we do. These factors may allow our competitors to:

•make more attractive offers to existing and potential customers and strategic partners.

We cannot assure you that our competitors will not develop products or services that are equal or superior to our products or that achieve greater market acceptance than our products or that in the future other companies involved in the automotive aftermarket industry will not expand their operations into product lines produced and sold by us. We also cannot assure you that additional entrants will not enter the automotive aftermarket industry or that companies in the aftermarket industry will not consolidate. Any such competitive pressures could cause us to lose market share or could result in significant price decreases and could have a material adverse effect upon our business, financial condition and results of operations.

Adverse changes in economic conditions, including inflation, recession, increases in fuel prices, tariffs, unemployment levels, availability of consumer credit, taxation or instability in the financial markets or credit markets may either lower demand for our products or increase our operational costs, or both. Such conditions may also materially impact our customers, suppliers and other parties with whom we do business. Our revenue will be adversely affected if demand for our products declines. The impact of unfavorable economic conditions may also impair the ability of our customers to pay for products they have purchased. As a result, reserves for doubtful accounts and write-offs of accounts receivables may increase and failure to collect a significant portion of amounts due on those receivables could have a material adverse effect upon our business, financial condition and results of operations.

The loss or decrease in sales among one of our top customers, or a material change in the terms on which they are willing to buy from us, could have a substantial negative impact on our sales and operating results.

A significant percentage of our sales has been, and is expected to be, concentrated among a relatively small number of customers. During fiscal 2019, fiscal 2018 and fiscal 2017, four customers (Advance, AutoZone, NAPA and O'Reilly) each accounted for more than 10% of net sales and in the aggregate accounted for approximately 66% of net sales in fiscal 2019, 63% in fiscal 2018, and 61% in fiscal 2017. We anticipate that this concentration of sales among these customers will continue in the future. The loss of a significant customer or a substantial decrease in sales to such a customer could have a material adverse effect on our sales and operating results. In addition, any consolidation among our key customers may further increase our customer concentration risk.

Also, while we may enter into long-term agreements with certain of our significant customers, those agreements generally do not contain purchase commitments, which instead are set forth in individual purchase orders submitted by customers based on their then-current or projected needs. We have in the past, and may in the future, lose customers or lose a particular product line of a customer due to the highly competitive conditions in the automotive aftermarket industry, consolidation of customers and customer initiatives to buy direct from foreign suppliers or other business considerations. A decision by any significant customer, whether motivated by competitive conditions, financial difficulties or otherwise, to materially decrease the amount of products purchased from us, to change their manner of doing business with us, or to stop doing business with us, could have a material adverse effect on our business, financial condition and results of operations.

Because our sales are concentrated, and the market in which we operate is very competitive, we are under ongoing pressure from our customers to offer lower prices, extend payment terms, increase marketing allowances, provide enhanced rebates, rights of return and credits and offer other terms more favorable to these customers. These customer demands have put continued pressure on our operating margins and profitability and in the future could have a material adverse effect upon our business, financial condition and results of operations.

There is substantial price competition in our industry, and our success and profitability will depend on our ability to maintain a competitive cost and price structure.

There is substantial price competition in our industry, and our success and profitability will depend on our ability to maintain a competitive cost and price structure. This is the result of a number of industry trends, including the consolidated purchasing power of large customers and actions taken by some of our competitors in an effort to attract new business, such as enhancing their online presence. Price reductions may be required to remain competitive in light of such industry trends, and such reductions may impact our sales and profit margins. Our future profitability will depend in part upon our ability to respond to changes in product and distribution channel mix, to continue to improve our manufacturing efficiencies, to generate cost reductions, including reductions in the cost of components purchased from outside suppliers, and to maintain a cost structure that will enable us to offer competitive prices. Our inability to maintain a competitive cost structure could have a material adverse effect upon our business, financial condition and results of operations.

Customer consolidation in the automotive aftermarket industry may lead to customer contract terms less favorable to us which may negatively impact our financial results.

The automotive aftermarket industry has been consolidating over the past several years. As a result of such consolidations, many of our customers have grown larger and therefore have more leverage in the arms-length negotiations of agreements with us for the sale of our products. Customers may require us to provide extended payment terms, issue customer credits and accept returns of slow moving product to obtain new, or retain existing, business. While we attempt to avoid or minimize such concessions, in some cases payment terms to customers have been extended, enhanced customer credits have been issued and returns of product have exceeded historical levels. The product returns and customer credits primarily affect our net sales and profit levels while payment terms extensions generally reduce operating cash flow and require additional capital to finance our business. We expect these trends to continue for the foreseeable future.

Our business may be negatively impacted by foreign currency fluctuations and our dependence on foreign suppliers.

In fiscal 2019, approximately 79% of our products were purchased from suppliers in a variety of foreign countries, with the largest portion of our overseas purchases being made in China. The products generally are purchased through purchase orders with the purchase price specified in U.S. Dollars. Accordingly, we generally do not have direct exposure to fluctuations in the relationship between the U.S. Dollar and various foreign currencies between the time of execution of the purchase order and payment for the product. The Chinese Yuan to U.S. Dollar exchange rate has fluctuated over the past several years, and, to the extent that the U.S. Dollar decreases in value relative to the Chinese Yuan or any other foreign currencies in the future, the prices of products in U.S. Dollars for new purchase orders may increase.

As a result of the magnitude of our foreign sourcing, our business may be subject to various risks, including the following:

If these risks limit or prevent us from acquiring products from foreign suppliers or significantly increase the cost of our products, our operations could be seriously disrupted until alternative suppliers are found, which could have a material adverse effect upon our business, financial condition and results of operations.

We extend credit to our customers, some of whom may be unable to pay in the future.

We regularly extend credit to our customers. A significant percentage of our accounts receivable have been, and are expected to continue to be concentrated among a relatively small number of automotive retailers and automotive parts distributors in the United States. Our four largest customers accounted for 80% of total accounts receivable as of December 28, 2019 and 76% of total accounts receivable as of December 29, 2018. Management continually monitors credit terms, credit limits, and the availability of credit insurance for these and other customers. If any of these customers were unable to pay, it could have a material adverse effect upon our business, financial condition and results of operations.

Our operations would be materially and adversely affected if we are unable to purchase raw materials, finished goods, equipment, manufactured components, or “core” products from our suppliers.

Because we purchase various types of raw materials, finished goods, equipment, and manufactured component parts from suppliers, we may be materially and adversely affected by the failure of those suppliers to perform as expected. This non-performance may consist of delivery delays or failures caused by production issues or delivery of non-conforming products. The risk of non-performance may also result from the insolvency or bankruptcy of one or more of our suppliers. Our suppliers’ ability to supply products to us is also subject to a number of risks, including availability and cost of raw materials, destruction of their facilities, work stoppages or health crises. For example, the recent coronavirus outbreak in China may have a lasting impact on global production and industrial supply chains. In addition, our failure to promptly pay, or order sufficient quantities of inventory from our suppliers may increase the cost of products we purchase or may lead to suppliers refusing to sell products to us at all.

Furthermore, because certain products we sell contain parts that can be recycled and remanufactured, which parts are more commonly referred to in our industry, as “core,” our ability to sell those products may be materially and adversely affected if we are unable to obtain those core parts from our suppliers on favorable terms, if at all.

Our efforts to protect against and to minimize these risks may not always be effective. If any of our key suppliers fail to meet our needs or if our relationships with any of our key suppliers are not maintained, it may not be possible to replace such supplier without disruptions in our operations. For example, we may experience delays in supply of manufacturing as new suppliers are qualified or as tooling is moved or replaced. Furthermore, replacement of a key supplier is often at higher prices, which could result in lower profit margins and could have a material adverse effect upon our business, financial condition and results of operations.

Limited shelf space may adversely affect our ability to expand our product offerings.

Since the amount of space available to a retailer and other purchasers of our products is limited, our products compete with other automotive aftermarket products, some of which are entirely dissimilar and otherwise non-competitive (such as car waxes and engine oil), for shelf and floor space. No assurance can be given that additional space will be available in our customers' stores to support any expansion of the number of products that we offer. Any failure to maintain and/or grow our shelf or floor space could have a material adverse effect upon our business, financial condition and results of operations.

If we do not continue to develop new products and bring them to market, our business, financial condition and results of operations could be materially impacted.

Our historical growth and profitability has depended, in part, on the introduction of new parts to the automotive aftermarket industry. We continually invest in research and development to sustain or enhance our existing product portfolio. In certain circumstances, there may be a lengthy period between commencing these development initiatives and bringing new or improved products to market. During this time, technology advancements, customer demand and the markets for our products may move in directions that we had not anticipated. There is no guarantee that our new products, or enhancements to existing products, will achieve market acceptance or that the timing of market adoption will be as predicted. As a result, there is a significant possibility that some of our development decisions, including significant expenditures on acquisitions, research and development, or investments in technologies, will not meet our expectations, and that our investment in some projects will be unprofitable. There is also a possibility that we may miss a market opportunity because we failed to invest or invested too late in a technology, product or enhancement sought by our customers or the markets into which we sell. If we fail to make the right investments or fail to make them at the right time, competing solutions may be more attractive in the market. As a result, our competitive position may suffer, and our revenue and profitability could be adversely affected.

The development and production of any new products is often accompanied by design and production delays and related costs. While we expect and plan for such delays and related costs, we cannot predict with precision the time and expense required to overcome these initial problems so that the products comply with specifications. Moreover, as a supplier in the automotive aftermarket industry, we may face additional challenges in designing and producing replacement products as original equipment manufacturers design parts that contain enhanced technology features or that are required to interface with other vehicle systems in order to work properly. There is a risk that we may not be able to introduce or bring to full-scale production new products as quickly as we expected in our product introduction plans, which could have a material adverse effect upon our business, financial condition, and results of operations.

Our business is impacted by the age, condition and number of vehicles that need servicing and by improvements in the quality of new vehicle parts.

The size of the automobile aftermarket industry depends, in part, upon the growth in number of vehicles on the road, increase in average vehicle age, change in total miles driven per year, new or modified environmental and vehicle safety regulations, including fuel-efficiency and emissions reduction standards, increase in pricing of new cars and new car quality and related warranties. The automobile aftermarket industry has been negatively impacted by the fact that the quality of more recent automotive vehicles and their component parts (and related warranties) has improved, thereby lengthening the repair cycle. Generally, if parts last longer, there will be less demand for our

products, and the average useful life of automobile parts has been steadily increasing in recent years due to innovations in products and technology. In addition, the introduction by original equipment manufacturers of increased warranty and maintenance initiatives has the potential to decrease the demand for our products. These factors could have a material adverse effect upon our business, financial condition and results of operations.

We may be adversely impacted by changes in, or restrictions on access to, automotive technology.

The automotive aftermarket industry is experiencing a period of significant technological change as a result of the trends toward the integration of advanced electronics into traditional products and the increase in the number of vehicles powered by fuel cells or electricity. Software, firmware, and hardware increasingly are becoming functionally integrated with, and inseparable from, physical automotive parts. While, traditionally, repair shops and car owners could diagnose and repair their automobiles with mechanical adjustments, today they often need access to vehicles’ control units using laptops, complex diagnostic tools and software. Restrictions on access to testing and diagnostic tools, software, telematics, data and repair information imposed by the original vehicle manufacturers or by governmental regulations may force vehicle owners to rely on dealers to perform maintenance and repairs. This in turn could limit our ability to design, manufacture and sell new products and could have a material adverse effect upon our business, financial condition and results of operations.

These trends have led to an increase in the significance of technology to our current and future products and the amount of capital we need to invest to develop these new technologies, as well as an increase in the amount of competition we face from technology focused new market entrants. If we misjudge the amount of capital to invest or are otherwise unable to continue providing products that meet our customers’ needs in this environment of rapid technological change, our market competitiveness could be adversely affected, which could have a material adverse effect upon our business, financial condition and results of operations.

We are dependent, in part, on our intellectual property. If we are not able to protect our proprietary rights or if those rights are invalidated or circumvented, our business may be adversely affected.

Our business is dependent, in part, on our ability to innovate, and, as a result, we are reliant on our intellectual property. We generally protect our intellectual property through patents, trademarks, trade secrets, confidentiality and nondisclosure agreements and other measures to the extent our budget permits. There can be no assurance that patents will be issued from pending applications that we have filed or that our patents will be sufficient to protect our key technology from misappropriation or falling into the public domain, nor can assurances be made that any of our patents, patent applications, trademarks or our other intellectual property or proprietary rights will not be challenged, invalidated or circumvented. In addition, the level of protection of our proprietary technology varies by country and may be particularly uncertain in countries that do not have well developed judicial systems or laws that adequately protect intellectual property rights. Patent litigation and other challenges to our patents and other proprietary rights are costly and unpredictable and may prevent us from marketing and selling a product in a particular geographic area. Financial considerations also preclude us from seeking patent protection in every country where infringement litigation could arise. Our inability to predict our intellectual property requirements in all geographies and affordability constraints also impact our intellectual property protection investment decisions. If we are unable to protect our proprietary rights, we may be at a disadvantage to others who do not incur the substantial time and expense we incur to create our products. Preventing unauthorized use or infringement of our intellectual property rights is inherently difficult. Moreover, it may be difficult or practically impossible to detect theft or unauthorized use of our intellectual property. Any of the foregoing could have a material adverse effect upon our business, financial condition and results of operations.

Claims of intellectual property infringement by original equipment manufacturers and others could adversely affect our business and negatively impact our ability to develop new products.

From time to time in the ordinary course of our business we are subject to claims that we are infringing the intellectual property rights of original equipment manufacturers or others. An adverse finding against us in these or similar intellectual property disputes may have a material adverse effect on our business, financial condition and results of operations if we are not able to successfully develop or license non-infringing alternatives. In addition, an unfavorable ruling in intellectual property litigation could subject us to significant liability, increased legal expense,

and require us to cease developing or selling the affected products or using the affected works of authorship or trademarks. Any significant restriction that impedes our ability to develop and commercialize our products could have a material adverse effect upon our business, financial condition and results of operations.

Quality problems with our products could damage our reputation and adversely affect our business.

We have experienced, and in the future may experience, reliability, quality, or compatibility problems in products after their production and sale to customers. Product quality problems and any associated product recalls could result in damage to our reputation, loss of customers, a decrease in revenue, litigation, unexpected expenses, and a loss of market share. We have invested and will continue to invest in our engineering, design, and quality infrastructure to help reduce these problems; however, there can be no assurance that we can successfully remedy these issues. To the extent we experience significant quality problems in the future, it could have a material adverse effect upon our business, financial condition and results of operations.

Loss of third-party transportation providers upon whom we depend or increases in fuel prices could increase our costs or cause a disruption in our operations.

We depend upon third-party transportation providers for delivery of our products to us and to our customers. Strikes, slowdowns, transportation disruptions or other conditions in the transportation industry, including, but not limited to, shortages of vehicles or drivers, disruptions in rail service, port congestion, or increases in fuel prices, could increase our costs and disrupt our operations and our ability to service our customers on a timely basis, which in turn could have a material adverse effect upon our business, financial condition and results of operations.

We are subject to various legal proceedings and claims that arise out of the ordinary course of our business, such as those involving contracts, competitive practices, intellectual property infringement and product liability claims. Legal proceedings and claims and associated internal investigations may be time-consuming and expensive to prosecute, defend or conduct. This may be true whether they are with or without merit and whether they are covered by insurance or not. They also may divert management's attention and other resources; inhibit our ability to sell our products; result in adverse judgments for damages, injunctive relief, penalties and fines; and negatively affect our reputation, business, financial condition and results of operations. There can be no assurance regarding the outcome of current or future legal proceedings, claims or investigations.

Dorman’s Executive Chairman and his family members own a significant portion of the Company.

As of February 21, 2020, Steven L. Berman, our Executive Chairman, and his family members beneficially own approximately 18% of the Company’s outstanding common stock. As such, Mr. Berman and his family members can influence matters requiring approval of shareholders, including the election of the Board of Directors and the approval of significant transactions. Such concentration of ownership may have the effect of delaying, preventing or deterring a change in control of the Company, could deprive shareholders of an opportunity to receive a premium for their common stock as part of a sale of the Company and might ultimately affect the market price of our common stock.

Our operations, revenues and operating results, and the operations of our third-party manufacturers, suppliers and customers, may be subject to quarter over quarter fluctuations and disruptions from events beyond our or their control.

Our operations, revenues and operating results, as well as the operations of our third-party manufacturers, suppliers and customers, may be subject to quarter over quarter fluctuations and disruptions from a variety of causes outside of our or their control, including work stoppages, market volatility, fuel prices, acts of war, terrorism, cyber incidents, pandemics, fire, earthquake, flooding, changes in weather patterns, weather or seasonal fluctuations or other climate-based changes, including hurricanes or tornadoes, or other natural disasters. If a major disruption were to occur at our operations or the operations of our third-party manufacturers, suppliers or customers, it could result in harm to people or the natural environment, delays in shipments of products to customers or suspension of

operations, any of which could have a material adverse effect upon our business, financial condition and results of operations.

We rely extensively on our computer systems to manage inventory, process transactions and timely provide products to our customers. Our systems are subject to damage or interruption from power outages, telecommunications failures, computer viruses, security breaches, cyber-attacks or other catastrophic events. If our systems are damaged or fail to function properly, we may experience loss of critical data and interruptions or delays in our ability to manage inventories or process customer transactions. Such a disruption of our systems could negatively impact revenue and could have a material adverse effect upon our business, financial condition and results of operations.

Cyber-attacks or other breaches of information technology security could adversely impact our business and operations.

Cyber-attacks or other breaches of network or information technology security may cause equipment failure, disruption to our operations or the loss or theft of sensitive data relating to our Company and its employees, customers, suppliers, and business partners, including intellectual property, proprietary business information, and other sensitive material. Such attacks, which include the use of malware, encryption, computer viruses and other means for disruption or unauthorized access, on companies have increased in frequency, scope and potential harm in recent years. We take preventive actions to reduce the risk of cyber incidents and protect our information technology and networks, including the data that is maintained within them. However, such preventative actions may be insufficient to repel a cyber-attack or other network breach in the future. Furthermore, because the techniques used to carry out cyber-attacks change frequently and in many instances are not recognized until after they are used against a target, we may be unable to anticipate these changes or implement adequate preventative measures. Moreover, we utilize third-party vendors that provide information technology services for areas such as customer order processing and human resources functions (e.g., payroll). While we generally require these vendors to monitor and protect their information technology systems against cyber-attacks and other breaches, their efforts may not be effective. To the extent that any disruption or security breach of one of our vendors’ systems results in a loss or damage to our data, loss or theft of our intellectual property, or unauthorized disclosure of confidential information, including information regarding our customers and the ultimate purchasers of our products, it could cause significant damage to our reputation, affect our relationship with our customers, suppliers and employees, and lead to claims against us and ultimately harm our business. Moreover, intruders that gain access to our intellectual property and trade secrets may attempt to use that information to harm our business, by developing competing or counterfeit products. Additionally, we may be required to incur significant costs to protect against damage caused by these disruptions or security breaches in the future. Any such cyber-attacks and loss or theft of our intellectual property or unauthorized disclosure of confidential information could have a material adverse effect upon our business, financial condition and results of operations.

Changes in U.S. trade policy, including the imposition of tariffs and the resulting consequences, could adversely affect our results of operations.

In fiscal 2019, approximately 79% of our products were purchased from suppliers in a variety of foreign countries. The U.S. government has adopted a new approach to trade policy and in some cases has attempted to renegotiate or terminate certain existing bilateral or multi-lateral trade agreements. It has also imposed tariffs on certain foreign goods, including steel and certain commercial vehicle parts, which have resulted in increased costs for goods imported into the U.S. In response to these tariffs, a number of U.S. trading partners have imposed retaliatory tariffs on a wide range of U.S. products. If we are unable to pass price increases on to our customer base or otherwise mitigate the costs, or if demand for our products decreases due to the higher cost, our results of operations could be materially adversely affected. In addition, further tariffs have been proposed by the U.S. and its trading partners and additional trade restrictions could be implemented on a broader range of products or raw materials. The resulting environment of retaliatory trade or other practices could have a material adverse effect upon our business, financial condition, results of operations, customers, suppliers and the global economy.

Changes in tax laws or exposure to additional income tax liabilities could have a material adverse effect upon our business, financial condition and results of operations.

We are subject to income taxes, as well as non-income-based taxes, at the federal, state and local levels. We are subject to tax audits in various jurisdictions. Tax authorities may disagree with certain positions we have taken and assess additional taxes. We regularly assess the likely outcomes of these audits in order to determine the appropriateness of our tax provision. However, there can be no assurance that we will accurately predict the outcomes of these audits, and the actual outcomes of these audits could have a material adverse effect upon our business, financial condition and results of operations. Additionally, changes in tax laws or tax rulings could materially impact our effective tax rate.

We have an existing revolving credit facility of $100 million with Wells Fargo Bank, National Association, as administrative agent and lender, which, subject to certain requirements, gives us the ability to request increases of up to an incremental $100 million. As of December 28, 2019, although we did not have any borrowings outstanding, there were $0.8 million of issued but undrawn letters of credit outstanding under the credit agreement.

Our growth strategy includes reviewing and evaluating potential acquisitions, and we may utilize borrowings under our credit agreement to consummate transactions. Any significant increase in our indebtedness, whether in connection with acquisitions or otherwise, could increase our vulnerability to general adverse economic and industry conditions and limit our flexibility in planning for, or reacting to, changes in our business and the industry in which we operate. Any such issue could have a material adverse effect upon our business, financial condition and results of operations

We have entered into several customer sponsored programs administered by unrelated financial institutions that permit us to sell certain accounts receivable at discounted rates to the financial institutions without recourse. If we do not enter into these agreements, our financial condition, results of operations and cash flows could be materially and adversely affected by delays or failures in collecting trade accounts receivables. In addition, if any of the financial institutions with which we have these agreements experience financial difficulties or otherwise terminate these agreements, we may experience material and adverse economic losses due to the loss of such arrangements and the impact of such loss on our liquidity, which could have a material and adverse effect upon our financial condition, results of operations and cash flows. The utility of these arrangements also depends upon LIBOR, as it is a component of the discount rate applicable to each arrangement. If LIBOR increases such that the cost of these arrangements becomes more than the cost of servicing our receivables with existing debt, we may not be able to rely on such arrangements, which could have a material adverse effect upon our business, financial condition and results of operations.

The phaseout of the London Interbank Offered Rate (LIBOR), or the replacement of LIBOR with a different reference rate, may have an adverse effect on our business.

In July 2017, the United Kingdom Financial Conduct Authority (the authority that regulates LIBOR) announced that it would phase out LIBOR by the end of 2021. It is unclear whether new methods of calculating LIBOR will be established or if alternative rates or benchmarks will be adopted. Our credit agreement and all our accounts receivable sales agreements utilize LIBOR as a benchmark for calculating the applicable interest rate. Changes in the method of calculating LIBOR, the elimination of LIBOR or the replacement of LIBOR with an alternative rate or benchmark may require us to renegotiate or amend these facilities, loans and programs, which may adversely affect interest rates and result in higher borrowing costs. This could materially and adversely affect our results of operations, cash flows and liquidity. We cannot predict the effect of the potential changes to or elimination of LIBOR or the establishment and use of alternative rates or benchmarks and the corresponding effects upon our cost of capital.

The market price of our common stock may be volatile and could expose us to securities class action litigation.

The stock market and the price of our common stock may be subject to wide fluctuations based upon general economic and market conditions. The market price for our common stock also may be affected by our ability to meet analysts’ expectations. Failure to meet such expectations, even slightly, could have an adverse effect on the market price of our common stock. In addition, stock market volatility has had a significant effect on the market prices of securities issued by many companies for reasons unrelated to the operating performance of these companies. Downturns in the stock market may cause the price of our common stock to decline.

Following periods of volatility in the market price of a company’s securities, securities class action litigation has often been instituted against such companies. If similar litigation were instituted against us, it could result in substantial costs and a diversion of our management’s attention and resources, which could have a material adverse effect upon our business, financial condition and results of operations.

Losing the services of our executive officers or other highly qualified and experienced employees could adversely affect our business.

Our future success depends upon the continued contributions of our executive officers and senior management, many of whom have numerous years of experience and would be extremely difficult to replace. We must also attract and maintain experienced and highly skilled engineering, sales and marketing, finance, logistics, and operations personnel. Competition for qualified personnel is often intense, and we may not be successful in hiring and retaining these people. If we lose the services of these key employees or cannot attract and retain other qualified personnel, it could have a material adverse effect upon our business, financial condition and results of operations.

Our growth may be impacted by acquisitions. We may not be able to identify suitable acquisition candidates, complete acquisitions or integrate acquisitions successfully.

We may not be able to identify suitable acquisition candidates, complete acquisitions, or integrate acquisitions successfully. Our future growth is likely to depend to some degree on our ability to acquire and successfully integrate new businesses. We may seek additional acquisition opportunities, both to further diversify our businesses and to penetrate or expand important product offerings, geographies or markets. There are no assurances, however, that we will be able to successfully identify suitable candidates, negotiate appropriate terms, obtain financing on acceptable terms, complete proposed acquisitions, successfully integrate acquired businesses, or expand into new geographies or markets. Once acquired, operations may not achieve anticipated levels of revenues or profitability. Acquisitions involve risks, including difficulties in the integration of the operations, technologies, services and products of the acquired companies and the diversion of management's attention from other business concerns. Although our management will endeavor to evaluate the risks inherent in any particular transaction, there are no assurances that we will properly ascertain all such risks. Difficulties encountered with acquisitions could have a material adverse effect upon our business, financial condition and results of operations.

As of December 28, 2019 we had 16 warehouse and office facilities located throughout the United States, Canada, China, Taiwan and India.

Two of these facilities are owned and the remainder are leased. Our principal facilities are as follows:

Location	Description	Size			Ownership
Colmar, PA	Corporate Headquarters Warehouse and office		342,000	sq. ft.	Leased	(1)
Portland, TN	Warehouse and office		815,670	sq. ft.	Leased
Warsaw, KY	Warehouse and office		710,500	sq. ft.	Owned
Portland, TN	Warehouse and office		415,000	sq. ft.	Leased
Lewisberry, PA	Warehouse and office		163,000	sq. ft.	Leased
Louisiana, MO	Warehouse and office		90,000	sq. ft.	Owned
Sanford, NC	Warehouse and office		52,000	sq. ft.	Leased
Shanghai, China	Office		16,000	sq. ft.	Leased

The information set forth under the heading “Other Contingencies” appearing in Note 11. “Commitments and Contingencies,” to the Notes to Consolidated Financial Statements contained in Part IV, Item 15 of this report is incorporated herein by reference.

The following table sets forth certain information with respect to our executive officers as of February 26, 2020:

Steven L. Berman became the Executive Chairman of the Company in September 2015. Additionally, Mr. Berman has served as a director of the Company since its inception in 1978. From January 2011 to September 2015, Mr. Berman served as Chairman of the Board and Chief Executive Officer of the Company and from October 2007 to January 2011, Mr. Berman served as President of the Company. Prior to October 2007, Mr. Berman served as Executive Vice President of the Company.

Kevin M. Olsen joined the Company in July 2016 as Senior Vice President and Chief Financial Officer. He became Executive Vice President, Chief Financial Officer in June 2017, President and Chief Operating Officer in August 2018 and President and Chief Executive Officer in January 2019. Prior to joining the Company, Mr. Olsen was Chief Financial Officer of Colfax Fluid Handling, a division of Colfax Corporation, a diversified global

manufacturing and engineering company that provides gas and fluid-handling and fabrication technology products and services to commercial and governmental customers around the world, from January 2013 through June 2016. Prior to joining Colfax, he served in progressively responsible management roles at the Forged Products Aero Turbine Division of Precision Castparts Corp, Crane Energy Flow Solutions, a division of Crane Co., Netshape Technologies, Inc., and Danaher Corporation. Prior thereto, Mr. Olsen performed public accounting work at PricewaterhouseCoopers LLP.

Joseph P. Braun joined the Company in April 2019 as Senior Vice President and General Counsel, and he was appointed Corporate Secretary in May 2019. Prior to joining the Company, Mr. Braun served as Chief Legal Officer and Corporate Secretary of Avantor, Inc., a leading, global provider of mission-critical products and services to customers in the life sciences and advanced technologies and applied materials industries. He has held a number of positions of increasing responsibility in his career, including, more recently, as Vice President, Mergers & Acquisitions at Tyco International plc (now known as Johnson Controls International plc), which was a leading global provider of security, fire detection and suppression, and life safety products and services. Mr. Braun began his legal career in private practice at various law firms, where he advised public and private companies on mergers and acquisitions and securities and corporate governance matters.

Jeffrey L. Darby joined the Company in November 1998 as a National Account Manager. He became Senior Vice President, Sales and Marketing in February 2011. He previously held the positions of Group Vice President from 2008 to 2010 and Vice President of Sales – Traditional and Key Accounts from 2006 to 2008. Prior to joining the Company, Mr. Darby worked for Federal Mogul Corporation/Moog Automotive, an automotive parts supplier, beginning in 1990

David M. Hession joined the Company in February 2019 and was appointed to serve as the Company’s Senior Vice President and Chief Financial Officer effective March 2019. Mr. Hession was also appointed Treasurer in May 2019. Mr. Hession was Vice President, Chief Financial Officer of Johnsonville, LLC, a privately held manufacturer of sausage and other protein products, from May 2013 to January 2019. Prior to that time, Mr. Hession worked at McCormick & Company, Inc., a global leader in the manufacture, marketing and distribution of spices, seasonings and flavors to the entire food industry, where he served in various positions of increasing responsibility including, most recently, as Vice President Finance & Administration. Mr. Hession also previously held positions with Tradeout, Inc., a business-to-business Internet exchange for surplus inventory and fixed assets, and Xylum Corporation, a development stage medical device manufacturer, and he performed management consulting work for Ernst & Young, LLP and Peterson Consulting LP.

Michael B. Kealey joined the Company in November 2002, as a Product Manager. He became Executive Vice President, Commercial in June 2017. He previously held the positions of Senior Vice President, Product from February 2011 through May 2017, Vice President – Product from January 2007 through January 2011, and Director – Product Management from April 2003 through December 2006. Prior to joining the Company, Mr. Kealey was employed by Eastern Warehouse Distributors, Inc., a distributor of automotive replacement parts, most recently as Vice President – Purchasing.

Item 5. Market for Registrant's Common Equity, Related Shareholder Matters and Issuer Purchases of Equity Securities.

Our shares of common stock are traded publicly on the NASDAQ Global Select Market under the ticker symbol “DORM”. At February 21, 2020 there were 164 holders of record of our common stock.

We do not anticipate paying cash dividends on our common stock in the foreseeable future. Any payment of future dividends will be at the discretion of our board of directors and will depend upon, among other things, our earnings, financial condition, capital requirements, level of indebtedness, and other factors that our board of directors deems relevant.

For the information regarding our equity compensation plans, see Part III Item 12, “Security Ownership of Certain Beneficial Owners and Management and Related Shareholder Matters.”

Stock Performance Graph. Below is a line graph comparing the cumulative total shareholder return for our common stock with the cumulative total shareholder return for the Automotive Parts & Accessories Peer Group of the Morningstar Group Index (formerly Hemscott Group Index) and the NASDAQ Composite Market Index for the period from December 27, 2014 to December 28, 2019. The Automotive Parts & Accessories Peer Group is comprised of 164 public companies and the information was furnished by Morningstar, Inc. through Zacks Investment Research, Inc. The graph assumes $100 invested on December 27, 2014 in our common stock and each of the indices, and that dividends were reinvested when and as paid. In calculating the cumulative total shareholder returns, the companies included are weighted according to the stock market capitalization of such companies.

The stock price performance shown in the graph is not necessarily indicative of future price performance.

The performance graph and the information set forth therein shall not be deemed to be filed for purposes of Section 18 of the Exchange Act and shall not be deemed to be incorporated by reference in any filing made by us with the U.S. Securities and Exchange Commission, except as shall be expressly set forth by specific reference in such a filing.

During the last thirteen weeks of the fiscal year ended December 28, 2019, we purchased shares of our common stock as follows:

Period	Total Number of Shares Purchased		Average Price Paid per Share		Total Number of Shares Purchased as Part of Publicly Announced Plans or Programs ⁽³⁾		Maximum Number (or Approximate Dollar Value) of Shares that May Yet Be Purchased Under the Plans or Programs ⁽³⁾
September 29, 2019 through October 26, 2019 ⁽¹⁾		4,765	$	81.32		—	$	160,550,221
October 27, 2019 through November 23, 2019		100,000	$	72.61		100,000	$	153,289,189
November 24, 2019 through December 28, 2019 ⁽²⁾		127,698	$	73.70		127,000	$	143,929,799
Total		232,463				227,000	$	143,929,799

	Fiscal year ended (1)
(in thousands, except per share data)	December 28, 2019		December 29, 2018		December 30, 2017		December 31, 2016		December 26, 2015
Statement of Operations Data:
Net sales	$	991,329	$	973,705	$	903,221	$	859,604	$	802,957
Income from operations		105,828		171,143		176,240		168,601		146,157
Net income	$	83,762	$	133,602	$	106,599	$	106,049	$	92,329
Earnings per share
Basic	$	2.57	$	4.04	$	3.14	$	3.07	$	2.60
Diluted	$	2.56	$	4.02	$	3.13	$	3.07	$	2.60
Balance Sheet Data:
Total assets ⁽²⁾	$	1,041,072	$	978,106	$	765,924	$	711,792	$	621,865
Working capital	$	534,088	$	488,138	$	422,068	$	447,766	$	380,063
Long-term debt	$	—	$	—	$	—	$	—	$	—
Dividends paid	$	—	$	—	$	—	$	—	$	—
Shareholders' equity	$	773,584	$	727,623	$	634,807	$	601,642	$	518,036

Item 7. Management's Discussion and Analysis of Financial Condition and Results of Operations.

“Management’s Discussion and Analysis of Financial Condition and Results of Operations” should be read in conjunction with the Consolidated Financial Statements and related notes thereto included in Part II, Item 8 of this Annual Report on Form 10-K. The matters discussed in “Management’s Discussion and Analysis of Financial Condition and Results of Operations” contain certain forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. Forward-looking statements involve significant risks and uncertainties. See the “Statement Regarding Forward Looking Statements” above and Part I, Item 1A, “Risk Factors” in this Annual Report on Form 10-K for additional information regarding forward-looking statements and the factors that could cause actual results to differ materially from those anticipated in the forward-looking statements.

We generate virtually all our net sales from customers in the North American automotive aftermarket industry, primarily in the United States. Our products are sold primarily through automotive aftermarket retailers, including through their on-line platforms; national, regional and local warehouse distributors and specialty markets, and salvage yards. We also distribute automotive aftermarket parts outside the United States, with sales primarily into Canada and Mexico, and to a lesser extent, Europe, the Middle East and Australia.

We may experience significant fluctuations from quarter to quarter in our results of operations due to the timing of orders placed by our customers. The introduction of new products and product lines to customers, as well as business acquisitions, may also cause significant fluctuations from quarter to quarter.

We were engaged in several site consolidation activities during the year ended December 28, 2019. Most significantly, we completed the consolidation of our Montreal facility (acquired in fiscal 2017 as part of the acquisition of MAS Automotive Distributors, Inc. (“MAS Industries” or “MAS”)) into our new 800,000 square foot distribution center in Portland, Tennessee. Additionally, we transferred our existing distribution operations in Portland, Tennessee to the new facility and also completed the consolidation of an existing production facility in Michigan with our facility in Pennsylvania operated by our subsidiary, Flight Systems Automotive Group L.L.C. (“Flight Systems” or “Flight”). During the year ended December 28, 2019, we incurred $3.0 million of costs primarily related to acquisition integration and accelerated depreciation, $2.8 million of which was included in selling, general and administrative expenses and $0.2 million of which was included in gross profit. Additionally, during the year ended December 28, 2019, we incurred $25.9 million of costs related to start up inefficiencies and duplication of facility overhead and operating costs primarily related to our Portland facility consolidation activities, of which $20.4 million was included in selling, general and administrative expenses and $5.5 million was included in gross profit. As a part of our Portland consolidation activities, our new Portland distribution center became fully operational in October 2019. We expect our distribution costs to be back to more typical levels as we move through 2020.

We operate on a fifty-two, fifty-three week period ended on the last Saturday of the calendar year. The fiscal years ended December 28, 2019 (“fiscal 2019”), December 29, 2018 (“fiscal 2018”) and December 30, 2017 (“fiscal 2017”) were fifty-two week periods.

Net sales increased 2% to $991.3 million in fiscal 2019 from $973.7 million in fiscal 2018, while net income decreased 37% to $83.8 million in fiscal 2019 from $133.6 million in fiscal 2018. Additionally, we generated cash flows from operations of $95.3 million in fiscal 2019 and repurchased approximately $143.9 million of our outstanding common stock.

New product development is an important success factor for us and traditionally has been our primary vehicle for growth. We have made incremental investments to increase our new product development efforts each year since 2003 to grow our business and strengthen our relationships with our customers. The investments primarily have been in the form of increased product development resources, increased customer and end-user awareness programs, and customer service improvements. These investments historically have enabled us to provide an expanding array of new product offerings and grow revenues at levels that generally have exceeded market growth rates. As a result of these investments, we introduced 5,239 new products to our customers and end users in fiscal 2019, including 1,625 “New-to-the-Aftermarket” SKU’s.

One area of focus has been our complex electronics program, which capitalizes on the growing number of electronic components being utilized on today’s original equipment platforms. New vehicles contain an average of approximately thirty-five electronic modules, with some high-end luxury vehicles containing over one hundred modules. Our complex electronics products are designed and developed in-house and tested to help ensure consistent performance, and our product portfolio is focused on further developing our leadership position in the category.

Another area of focus has been on Dorman HD Solutions™, a line of products we market for the medium and heavy duty truck sector of the automotive aftermarket industry. We believe that this sector provides many of the same opportunities for growth that the passenger car and light truck sector of the automotive aftermarket industry has provided us. Through Dorman HD Solutions™, we specialize in what formerly were “dealer only” parts similar to how we have approached the passenger car and light duty truck sector. During fiscal 2019, we introduced 1,027 SKU’s in this product line. We expect to continue to invest aggressively in the medium and heavy duty product category.

In addition to product development, our growth has been impacted by acquisitions. In August 2018, we acquired Flight Systems. Additionally, in October 2017, we acquired MAS. We believe Flight and MAS are highly complementary to our business and growth strategy. We may acquire businesses in the future to supplement our financial growth, distribution capabilities, product development resources or to diversify our revenue base.

The Company’s financial results are impacted by various economic and industry factors, including, but not limited to the number, age and condition of vehicles in operation (“VIO”) at any one time, and miles driven by those VIO.

To begin, the Company’s products are primarily purchased and installed on a subsegment of the VIO, specifically weighted towards vehicles aged eight to thirteen years old. Each year, the United States seasonally adjusted annual rate (“US SAAR”) of new vehicles purchased adds a new year to the US VIO. According to data from the Auto Care Association (“Auto Care”), the US SAAR experienced a decline from 2008 to 2011 as consumers purchased fewer new vehicles as a result of the Great Recession. We believe that the declining US SAAR during that period resulted in a follow-on decline in our primary US VIO subsegment (eight to thirteen-year-old vehicles) commencing in 2016. However, following 2011 and the impact the Great Recession US consumers began to increase their purchases of new vehicles which over time caused the US SAAR to recover and return to

more historical levels. Consequently, we expect the US VIO for vehicles aged eight to thirteen years old to recover over the next several years.

In addition, we believe that vehicle owners generally are operating their current vehicles longer than they did several years ago, performing necessary repairs and maintenance in order to keep those vehicles well maintained. According to data published by Polk, a division of IHS Automotive, the average age of VIO increased to 11.9 years as of October 2019 from 11.8 years as of October 2018 despite increasing new car sales. Additionally, the number of VIO in the United States continues to increase, growing 2% in 2019 to 290.0 million from 285.7 million in 2018. Approximately 57% of vehicles in operation are 11 years old or older. Vehicle scrappage rates have also decreased over the last several years.

Finally, the number of miles driven is another important statistic that impacts our business. According to the United States Department of Transportation, the number of miles driven has increased each year since 2011 with miles driven having increased 0.9% as of November 2019 as compared to November 2018. Generally, as vehicles are driven more miles, the more likely it is that parts will fail.

The combination of the factors above has accounted for a portion of our sales growth and is expected to impact our future results.

We operate in a highly competitive market. As a result, we are continuously evaluating our approach to brand, pricing and terms to our different customers and channels. For example, in the third quarter of 2019, we modified our brand protection policy, which is designed to ensure that certain products bearing the Dorman name are not advertised below certain approved pricing levels. Our customers, particularly our larger retail customers, regularly seek more favorable pricing and product return provisions, and extended payment terms when negotiating with us. We attempt to avoid or minimize these concessions as much as possible, but we have granted pricing concessions, indemnification rights, extended customer payment terms and allowed a higher level of product returns in certain cases. These concessions impact net sales as well as our profit levels and may require additional capital to finance the business. We expect our customers to continue to exert pressure on our margins.

In fiscal 2019, approximately 79% of our products were purchased from suppliers in a variety of non-U.S. countries. The products generally are purchased through purchase orders with the purchase price specified in U.S. dollars. Accordingly, we generally do not have exposure to fluctuations in the relationship between the U.S. dollar and various foreign currencies between the time of execution of the purchase order and payment for the product. To the extent that the U.S. dollar changes in value relative to foreign currencies in the future, the price of the product for new purchase orders may change in equivalent U.S. dollars.

The largest portion of our overseas purchases comes from China. The Chinese Yuan to U.S. Dollar exchange rate has fluctuated over the past several years. Any future changes in the value of the Chinese Yuan relative to the U.S. Dollar may result in a change in the cost of products that we purchase from China. However, the cost of the products we procure is also affected by other factors including raw material availability, labor cost, and transportation costs.

Our acquisition of MAS increased our exposure to foreign currencies. MAS was headquartered in Montreal, Canada, and its financial transactions occur in both U.S. Dollars and Canadian Dollars. Since our consolidated financial statements are denominated in U.S. Dollars, the assets, liabilities, net sales, and expenses of MAS which are denominated in currencies other than the U.S. Dollar must be converted into U.S. Dollars using exchange rates for the current period. As a result, fluctuations in foreign currency exchange rates may impact our financial results. In early 2019, we completed the consolidation of our Montreal facility into our new Portland, Tennessee facility, which reduced our Canadian Dollar exposure.

The overall impact of inflation has not resulted in a significant change in labor costs or the cost of general services utilized.

The cost of many commodities that are used in our products has fluctuated over time resulting in increases and decreases in the cost of our products. In addition, we have periodically experienced increased transportation costs as a result of higher fuel prices, capacity constraints and other factors. We will attempt to offset cost increases by passing along selling price increases to customers, using alternative suppliers and sourcing purchases from other suppliers. However, there can be no assurance that we will be successful in these efforts.

Effective September 24, 2018, the Office of the United States Trade Representative (USTR) imposed an additional tariff on approximately $200 billion worth of Chinese imports. The tariff was approximately 10% as of December 29, 2018. Effective for shipments departing China on or after May 10, 2019, the USTR increased this tariff to 25%. In addition, effective September 1, 2019, the USTR imposed a fourth tranche of tariffs on approximately $300 billion worth of Chinese imports with a tariff rate of 15%. The tariffs enacted to date will increase the cost of many products that are manufactured for us in China. We are taking several actions to mitigate the impact of the tariffs including, but not limited to, price increases to our customers and cost concessions from our suppliers. We expect to continue mitigating the impact of tariffs in fiscal 2020 primarily through selling price increases to offset the higher tariffs incurred. Tariffs are not expected to have a material impact on our net income but are expected to increase net sales and lower our gross and operating profit margins to the extent that these additional costs are passed through to customers.

In January 2020, the U.S. and Chinese governments signed a trade deal that reduced some U.S. tariffs on Chinese goods in exchange for Chinese pledges to, among other things, purchase more of American farm, energy and manufactured goods. In addition, the USTR has granted tariff relief for certain categories of products being imported from China. We expect that we will reverse tariff-related price increases previously passed along to our customers and cost concessions previously received from our suppliers as such tariffs are reduced or such other relief is granted.

The following table sets forth, for the periods indicated, the dollar value and percentage of net sales represented by certain items in our Consolidated Statements of Operations:

	For the Fiscal Year Ended
(in millions, except percentage data)	December 28, 2019				December 29, 2018				December 30, 2017
Net sales	$	991.3	100.0	%	$	973.7	100.0	%	$	903.2	100.0	%
Cost of goods sold	$	651.5	65.7	%	$	600.4	61.7	%	$	544.6	60.3	%
Gross profit	$	339.8	34.3	%	$	373.3	38.3	%	$	358.6	39.7	%
Selling, general and administrative expenses	$	234.0	23.6	%	$	202.1	20.8	%	$	182.4	20.2	%
Income from operations	$	105.8	10.7	%	$	171.1	17.6	%	$	176.2	19.5	%
Other (expense) income, net	$	-	0.0	%	$	-	0.0	%	$	0.3	0.0	%
Income before income taxes	$	105.8	10.7	%	$	171.1	17.6	%	$	176.6	19.6	%
Provision for income taxes	$	22.0	2.2	%	$	37.5	3.9	%	$	70.0	7.7	%
Net income	$	83.8	8.4	%	$	133.6	13.7	%	$	106.6	11.8	%

Fiscal Year Ended December 28, 2019 Compared to Fiscal Year Ended December 29, 2018

Net sales increased 2% to $991.3 million in fiscal 2019 from $973.7 in fiscal 2018. Acquisitions contributed to 1% of the sales growth. The remaining growth experienced by our base business was attributable to approximately a 3.5% increase as a result of tariff-related pricing increases, partially offset by a shift in customer mix from warehouse distributor customers to retail customers.

Gross profit margin was 34.3% of net sales in fiscal 2019 compared to 38.3% of net sales in fiscal 2018. The gross profit margin declined primarily as a result of a change in customer mix from warehouse distributor to retail customers, the pass-through of tariff costs to our customers, acquisitions completed in the last 12 months which carry lower gross margins compared to our historical levels, and redundant overhead costs as a result the duplication of facility and operating costs related to our distribution center consolidation in Portland, Tennessee.

Selling, general and administrative expenses were $234.0 million, or 23.6% of net sales, in fiscal 2019 compared to $202.1 million, or 20.8% of net sales, in fiscal 2018. The increase in selling, general and administrative expense during the year was primarily due to $20.4 million of expenses associated with start-up inefficiencies and the duplication of facility and operating costs related to our distribution center consolidation in Portland, Tennessee and higher factoring costs due to increased sales of accounts receivable.

Our effective tax rate decreased to 20.8% in fiscal 2019 from 21.9% in fiscal 2018. The effective tax rate decreased primarily due to lower income of foreign entities included within the consolidated U.S. tax group.

Fiscal Year Ended December 29, 2018 Compared to Fiscal Year Ended December 30, 2017

Net sales increased 8% to $973.7 million in fiscal 2018 from $903.2 in fiscal 2017. Our revenue growth was driven by overall strong demand for our products and the inclusion of revenue from acquired businesses. In fiscal 2018, approximately $48.3 million of net sales were attributed to acquisitions. Our growth was partially offset by negative effects of a brand protection policy implemented in the fourth quarter of 2017.

Gross profit margin was 38.3% in fiscal 2018 compared to 39.7% in fiscal 2017. The decreased gross profit margin was primarily the result of the impact of acquisitions which carry lower gross margins compared to our historical levels. Additionally, the 2018 gross profit margin was negatively impacted by a $2.0 million inventory fair value adjustment resulting from business acquisitions, lower overall selling prices and an unfavorable shift in mix towards lower margin products.

Selling, general and administrative expenses were $202.1 million, or 20.8% of net sales, in fiscal 2018 compared to $182.4 million, or 20.2% of net sales, in fiscal 2017. The increase in expense was primarily due to the inclusion of the expenses of acquired operations, amortization expense of acquired intangible assets, reinvestment of tax savings in product development and sales organizations, an increase in wage and benefit costs and increased costs associated with our accounts receivable sales program.

Our effective tax rate decreased to 21.9% in fiscal 2018 from 39.6% in fiscal 2017. The decrease was attributable to the Tax Cuts and Jobs Act enacted in the United States in December 2017, which lowered the U.S. Corporate federal income tax rate to 21% beginning in 2018.

Historically, our primary sources of liquidity have been our invested cash and the cash flow we generate from our operations, including accounts receivable sales programs provided by certain customers. Cash and cash equivalents at December 28, 2019 increased to $68.4 million from $43.5 million at December 29, 2018. Working capital was $534.1 million at December 28, 2019 compared to $488.1 million at December 29, 2018. Shareholders’ equity was $773.6 million at December 28, 2019 and $727.6 million at December 29, 2018. Based on our current operating plan, we believe that our sources of available capital are adequate to meet our ongoing cash needs for at least the next twelve months. However, our liquidity could be negatively affected by extending payment terms to customers, a decrease in demand for our products, the outcome of contingencies or other factors. See Note 11, “Commitments and Contingencies”, in the accompanying consolidated financial statements for additional information regarding commitments and contingencies that may affect our liquidity.

Over the past several years we have continued to extend payment terms to certain customers as a result of customer requests and market demands. These extended terms have resulted in increased accounts receivable levels and significant uses of cash flows. Tariffs also increase our uses of cash since we pay for the tariffs upon the arrival of our goods in the United States but collect the cash on any passthrough price increases from our customers on a delayed basis according to the payment terms negotiated with our customers. We participate in accounts receivable sales programs with several customers which allow us to sell our accounts receivable to financial institutions to offset the negative cash flow impact of these payment terms extensions. However, any sales of accounts receivable through these programs ultimately result in us receiving a lesser amount of cash upfront than if we collected those accounts receivable ourselves in due course. Moreover, prior to LIBOR being phased out in 2021, to the extent that any of these accounts receivable sales programs bear interest rates tied to LIBOR, as LIBOR rates increase our cost to sell our receivables also increase. See Item 7A. Quantitative and Qualitative Disclosures about Market Risk for more information. During fiscal 2019 and fiscal 2018, we sold approximately $676.4 million and $604.7 million, respectively, under these programs. We had the ability to sell significantly more accounts receivable under these

programs if the needs of the business warranted. Further extensions of customer payment terms will result in additional uses of cash flow or increased costs associated with the sales of accounts receivable.

In December 2017, we entered into a credit agreement that will expire in December 2022. The credit agreement provides for an initial revolving credit facility of $100.0 million and, subject to certain requirements, gives us the ability to request increases of up to an incremental $100.0 million. The credit agreement replaced our previous $30.0 million facility. Borrowings under the credit agreement are on an unsecured basis. At the Company’s election, the interest rate applicable to revolving credit loans under the credit agreement will be either (1) the Prime Rate as announced by Wells Fargo from time to time, (2) an Adjusted LIBOR Market Index Rate as measured by the LIBOR Market Index Rate plus the Applicable Margin which fluctuates between 65 basis points and 125 basis points based on the ratio of the Company’s Consolidated Funded Debt to Consolidated EBITDA, or (3) an Adjusted LIBOR Rate as measured by the LIBOR Rate plus the Applicable Margin which fluctuates between 65 basis points and 125 basis points based on the ratio of the Company’s Consolidated Funded Debt to Consolidated EBITDA. The interest rate at December 28, 2019 was LIBOR plus 65 basis points (2.45%). During the occurrence and continuance of an event of default, all outstanding revolving credit loans will bear interest at a rate per annum equal to 2.00% in excess of the greater of (1) the Prime Rate or (2) the Adjusted LIBOR Market Index Rate then applicable. As of December 28, 2019, we were not in default in respect to the credit agreement. The credit agreement also contains covenants, including those related to the ratio of certain consolidated fixed charges to consolidated EBITDA, capital expenditures, and share repurchases, each as defined by the credit agreement. The credit agreement also requires us to pay an unused fee of 0.10% on the average daily unused portion of the facility, provided the unused fee will not be charged on the first $30 million of the revolving credit facility. As of December 28, 2019, there were no borrowings under the credit agreement and we had two outstanding letters of credit for approximately $0.8 million in the aggregate which were issued to secure ordinary course of business transactions. Net of these letters of credit, we had approximately $99.2 million available under the credit agreement at December 28, 2019.

Below is a table setting forth the key lines of our Consolidated Statements of Cash Flows:

During fiscal 2019, cash provided by operating activities was $95.3 million, primarily as a result of $83.8 million in net income, non-cash adjustments to net income of $30.1 million and a net increase in operating assets and liabilities of $18.5 million. Accounts receivable decreased $8.8 million due to the timing and factoring of receivables during the year. Inventory increased $11.0 million due to higher inventory purchases to support new product launches and maintain customer fill rates as we consolidated facilities. Accounts payable decreased by $19.1 million due to the timing of payments to our vendors. Other assets and liabilities, net, increased $6.3 million.

During fiscal 2018, cash provided by operating activities was $78.1 million, primarily as a result of $133.6 million in net income, non-cash adjustments to net income of $31.2 million and a net increase in operating assets and liabilities of $86.7 million. Accounts receivable increased $61.4 million due to increased net sales, which were partially offset by increased accounts receivable sales. Inventory increased $46.8 million due to higher inventory purchases to avoid potentially higher tariffs, to support new product launches and maintain customer fill rates as we consolidated facilities. Accounts payable increased by $27.0 million due to increased inventory and the timing of payments to our vendors. Other assets and liabilities, net, increased $0.2 million.

During fiscal 2017, cash provided by operating activities was $94.2 million, primarily as a result of $106.6 million in net income, non-cash adjustments to net income of $30.4 million and a net increase in operating assets

and liabilities of $42.7 million. Accounts receivable increased $5.7 million due to increased net sales and the timing of cash receipts at year end. Inventory increased $25.1 million due to higher inventory purchases to support new product launches and to improve customer fill rates. Accounts payable increased by $3.7 million due to increased inventory and the timing of payments to our vendors. Other assets and liabilities, net, increased $15.6 million primarily due to an increase in long-term core inventory and a decrease in customer rebates that we expected to settle in cash.

Investing activities used $29.6 million of cash in fiscal 2019, $59.1 million of cash in fiscal 2018, and $94.4 million of cash in fiscal 2017.

Cash used in financing activities was $40.9 million in fiscal 2019, $46.9 million in fiscal 2018, and $77.3 million in fiscal 2017.

We have obligations for future minimum rental payments and similar commitments under non-cancellable operating leases as well as contingent obligations related to outstanding letters of credit. These obligations as of December 28, 2019 are summarized in the tables below (in thousands):

We have excluded from the table above contingent consideration related to the acquisition of MAS due to the uncertainty of the amount of payment. As of December 28, 2019, the Company has accrued approximately $5.6 million which represents the fair value of the estimated payments which will become due if certain sales thresholds are achieved through December 2020 and will be paid out in 2021.

We have excluded the $2.8 million estimated accrual related to the underpayment of duties to the United States Customs & Border Protection since the ultimate resolution of this matter is uncertain and is not expected to be resolved within the next twelve months (see Note 11, Commitments and Contingencies included in this annual report Form 10-K).

Additionally, we have excluded from the table above unrecognized tax benefits due to the uncertainty of the amount and period of payment. As of December 28, 2019, the Company has gross unrecognized tax benefits of $2.3 million (see Note 10, Income Taxes, to the Consolidated Financial Statements included in this Annual Report on Form 10-K).

Off-balance sheet arrangements are transactions, agreements, or other contractual arrangements with an unconsolidated entity for which we have an obligation to the entity that is not recorded in our consolidated financial statements. We historically have not utilized off-balance sheet financial instruments, and do not plan to utilize off-balance sheet arrangements in the future to fund our working capital requirements, operations or growth plans.

We may issue stand-by letters of credit under our credit agreement. Letters of credit totaling $0.8 million were outstanding at each of December 28, 2019 and December 29, 2018. Those letters of credit are issued primarily to satisfy the requirements of workers compensation, general liability and other insurance policies. Each of the outstanding letters of credit has a one-year term from the date of issuance.

We do not have any off-balance sheet financing that has, or is reasonably likely to have, a material, current or future effect on our financial condition, revenues, expenses, cash flows, results of operations, liquidity, capital expenditures or capital resources.

We have a non-cancelable operating lease for our primary operating facility from a partnership in which Steven L. Berman, our Executive Chairman, and his family members are partners. Total annual rental payments each year to the partnership under the lease arrangement were $1.6 million in each of fiscal 2019, fiscal 2018, and fiscal 2017. In the opinion of our Audit Committee, the terms and rates of this lease are no less favorable than those which could have been obtained from an unaffiliated party when the lease was renewed in November 2016.

We are a partner in a joint venture with one of our suppliers and we own a minority interest in two other suppliers. Purchases from these companies, since we acquired our investment interests were $23.2 million in fiscal 2019 and $20.3 million in fiscal 2018 and $16.5 million in fiscal 2017.

Our discussion and analysis of our financial condition and results of operations are based upon the Consolidated Financial Statements, which have been prepared in accordance with U.S. generally accepted accounting principles. The preparation of these financial statements requires us to make estimates and judgments that affect the reported amounts of assets and liabilities, the disclosure of contingent liabilities and the reported

amounts of revenues and expenses. We regularly evaluate our estimates and judgments, including those related to revenue recognition, customer rebates and returns, inventories, long-lived assets and purchase accounting. Estimates and judgments are based upon historical experience and on various other assumptions believed to be accurate and reasonable under the circumstances. Actual results may differ materially from these estimates due to different assumptions or conditions. We believe the following critical accounting policies affect our more significant estimates and judgments used in the preparation of our Consolidated Financial Statements.

Revenue Recognition and Accrued Customer Rebates and Returns. Revenue is recognized from product sales when goods are shipped, title and risk of loss and control have been transferred to the customer and collection is reasonably assured. We record estimates for cash discounts, product returns, promotional rebates, core return deposits and other discounts in the period of the sale ("Customer Credits"). The provision for Customer Credits is recorded as a reduction from gross sales and reserves for Customer Credits are shown as an increase in accrued customer rebates and returns, which is included in current liabilities. Actual Customer Credits have not differed materially from estimated amounts for each period presented. Amounts billed to customers for shipping and handling are included in net sales. Costs associated with shipping and handling are included in cost of goods sold.

Excess and Obsolete Inventory Reserves. We must make estimates of potential future excess and obsolete inventory costs. We provide reserves for discontinued and excess inventory based upon historical demand, forecasted usage, estimated customer requirements and product line updates. We maintain contact with our customer base in order to understand buying patterns, customer preferences and the life cycle of our products. Changes in customer requirements are factored into the reserves, as needed.

Long-Lived Assets Including Goodwill and Other Acquired Intangible Assets. Long-lived assets, including property, plant, and equipment and amortizable identifiable intangibles, are reviewed for impairment whenever events or changes in circumstances indicate that the carrying amount of an asset or asset group may not be recoverable. The impairment review is a two-step process. First, recoverability is measured by comparing the carrying amount of an asset to the estimated undiscounted future cash flows expected to be generated by the asset. If the carrying amount exceeds the estimated undiscounted future cash flows, the second step of the impairment test is performed and an impairment charge is recognized in the amount by which the carrying amount of the asset exceeds its fair value. Assets to be disposed of would be separately presented in the balance sheet and reported at the lower of the carrying amount or fair value less costs to sell, and are no longer depreciated. The assets and liabilities of a disposal group classified as held for sale would be presented separately in the appropriate asset and liability sections of the balance sheet.

Goodwill is reviewed for impairment on an annual basis or whenever events or changes in circumstances indicate the carrying value of the goodwill may be impaired. In regards to the annual test, we have the option to first assess qualitative factors to determine whether the existence of events or circumstances leads to a determination that it is more likely than not that the fair value of a reporting unit is less than its carrying amount. If we determine it is not more likely than not that the fair value of a reporting unit is less than its carrying amount, then performing the two-step impairment test is unnecessary. During fiscal 2019 and fiscal 2018, we assessed the qualitative factors which could affect the fair values of our reporting units and determined that it was not more likely than not that the fair values of each reporting unit was less than its carrying amount.

Purchase Accounting. The purchase price of an acquired business is allocated to the underlying tangible and intangible assets acquired and liabilities assumed based upon their respective fair market values, with any excess recorded as goodwill. Such fair market value assessments require judgements and estimates which may change over time and may cause the final amounts to differ materially from their original estimates. Any adjustments to fair value assessments are recorded to goodwill over the purchase price allocation period which cannot exceed twelve months from the date of acquisition.

Refer to Note 2, New and Recently Adopted Accounting Pronouncements, to the Notes to Consolidated Financial Statements included in this Annual Report on Form 10-K, which is incorporated herein.

Our market risk is the potential loss arising from adverse changes in interest rates. All our available credit and accounts receivable sales programs bear interest at rates tied to LIBOR. Under the terms of our credit agreement and customer-sponsored programs to sell accounts receivable, a change in either the lender’s base rate, LIBOR or discount rates under the accounts receivable sale programs would affect the rate at which we could borrow funds thereunder. A one percentage point increase in LIBOR or the discount rates on the accounts receivable sales programs would have increased our interest expense on our variable rate debt, if any, and accounts receivable financing costs by approximately $4.4 million in each of fiscal 2019 and fiscal 2018. This estimate assumes that our variable rate debt balance and the level of sales of accounts receivable remains constant for an annual period and the interest rate change occurs at the beginning of the period. The hypothetical changes and assumptions may be different from what actually occurs in the future.

Historically we have not used, and currently do not intend to use, derivative financial instruments for trading or to speculate on changes in interest rates or commodity prices. We are not exposed to any significant market risks, foreign currency exchange risks, or interest rate risks from the use of derivative instruments. We did not hold any foreign exchange forward contracts at December 28, 2019.

Our financial statement schedule that is filed with this Annual Report on Form 10-K is listed in Part IV - Item 15, “Exhibits, Financial Statement Schedules.”

We have audited the accompanying consolidated balance sheets of Dorman Products, Inc. and subsidiaries (the “Company”) as of December 28, 2019 and December 29, 2018, the related consolidated statements of operations, shareholders’ equity, and cash flows for each of the fiscal years in the three‑year period ended December 28, 2019, and the related notes and the consolidated financial statement schedule II listed under Item 15(a)(2) (collectively, the “consolidated financial statements”). In our opinion, the consolidated financial statements present fairly, in all material respects, the financial position of the Company as of December 28, 2019 and December 29, 2018, and the results of its operations and its cash flows for each of the fiscal years in the three‑year period ended December 28, 2019, in conformity with U.S. generally accepted accounting principles.

We also have audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States) (PCAOB), the Company’s internal control over financial reporting as of December 28, 2019, based on criteria established in Internal Control – Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission, and our report dated February 26, 2020 expressed an unqualified opinion on the effectiveness of the Company’s internal control over financial reporting.

As discussed in Note 2 to the consolidated financial statements, the Company has changed its method of accounting for leases as of December 30, 2018, due to the adoption of Accounting Standards Update (ASU) No. 2016-02, Leases (Topic 842) and ASU 2018-11, Leases (Topic 842): Targeted Improvements. As discussed in Note 12 to the consolidated financial statements, the Company has changed its method of accounting for revenue as of December 31, 2017, due to the adoption of ASU No. 2014-09, Revenue from Contracts with Customers (Topic 606).

These consolidated financial statements are the responsibility of the Company’s management. Our responsibility is to express an opinion on these consolidated financial statements based on our audits. We are a public accounting firm registered with the PCAOB and are required to be independent with respect to the Company in accordance with the U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB.

We conducted our audits in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audit to obtain reasonable assurance about whether the consolidated financial statements are free of material misstatement, whether due to error or fraud. Our audits included performing procedures to assess the risks of material misstatement of the consolidated financial statements, whether due to error or fraud, and performing procedures that respond to those risks. Such procedures included examining, on a test basis, evidence regarding the amounts and disclosures in the consolidated financial statements. Our audits also included evaluating the accounting principles used and significant estimates made by management, as well as evaluating the overall presentation of the consolidated financial statements. We believe that our audits provide a reasonable basis for our opinion.

The critical audit matter communicated below is a matter arising from the current period audit of the consolidated financial statements that was communicated or required to be communicated to the audit committee and that: (1) relates to accounts or disclosures that are material to the consolidated financial statements and (2) involved our especially challenging, subjective, or complex judgment. The communication of a critical audit matter does not alter in any way our opinion on the consolidated financial statements, taken as a whole, and we are not, by communicating the critical audit matter below, providing a separate opinion on the critical audit matter or on the accounts or disclosures to which it relates.

As discussed in Notes 1 and 12 to the consolidated financial statements, the Company has recorded an accrual for customer rebates and returns of $105.9 million as of December 28, 2019. The accrual includes estimates for various cash discounts, product returns, promotional rebates, core returns, and other discounts in the period of sale. The accrual for customer rebates and returns is reflected in the consolidated financial statements as a reduction of gross sales. The Company’s obligation associated with product returns is classified as a current liability (“accrued customer rebates and returns”).

We identified the evaluation of future product returns as a critical audit matter. There was a high degree of auditor judgment required over the Company’s inputs of market conditions that were used to develop the future product return rates assumption to estimate the accrual for future product returns. Specifically, the Company used recent historical experience as an input of market conditions that were used to develop the future product return rates assumption. A change to current market conditions could have a significant impact to the accrual for future product returns.

The primary procedures we performed to address this critical audit matter included the following. We tested certain internal controls over the Company’s process for estimating the accrual for future product returns, including internal controls over the development of the future product return rates assumption. We evaluated the future product return rate assumption for a sample of customers using a combination of Company internal data, historical product return information, and executed third-party contracts. We assessed the Company’s ability to accurately estimate future product returns by comparing historically recorded accruals to actual subsequent product returns. We analyzed actual product returns received after year-end but prior to the issuance of the consolidated financial statements for contradictory information pertaining to the future product return rates assumption.

	For the Year Ended
(in thousands, except per share data)	December 28, 2019			December 29, 2018			December 30, 2017
Net sales	$	991,329		$	973,705		$	903,221
Cost of goods sold		651,504			600,424			544,572
Gross profit		339,825			373,281			358,649
Selling, general and administrative expenses		233,997			202,138			182,409
Income from operations		105,828			171,143			176,240
Other (expense) income, net		(21	)		(8	)		348
Income before income taxes		105,807			171,135			176,588
Provision for income taxes		22,045			37,533			69,989
Net income	$	83,762		$	133,602		$	106,599
Earnings per share:
Basic	$	2.57		$	4.04		$	3.14
Diluted	$	2.56		$	4.02		$	3.13
Weighted average shares outstanding:
Basic		32,606			33,097			33,964
Diluted		32,688			33,207			34,052

(in thousands, except share data)	December 28, 2019		December 29, 2018
Assets
Current assets:
Cash and cash equivalents	$	68,353	$	43,458
Accounts receivable, less allowance for doubtful accounts of $957 and $982 in 2019 and 2018, respectively		391,810		400,663
Inventories		280,813		270,504
Prepaids and other current assets		13,614		5,652
Total current assets		754,590		720,277
Property, plant and equipment, net		101,837		98,647
Operating lease right-of-use assets		32,198		-
Goodwill		74,458		72,606
Intangible assets, net		21,305		25,164
Deferred tax asset, net		4,336		6,228
Other assets		52,348		55,184
Total	$	1,041,072	$	978,106
Liabilities and shareholders' equity
Current liabilities:
Accounts payable	$	90,437	$	109,096
Accrued compensation		9,782		14,515
Accrued customer rebates and returns		105,903		96,887
Other accrued liabilities		14,380		11,641
Total current liabilities		220,502		232,139
Long-term operating lease liabilities		29,730		-
Other long-term liabilities		13,297		13,550
Deferred tax liabilities, net		3,959		4,794
Commitments and contingencies (Note 11)
Shareholders' equity:
Common stock, par value $0.01; authorized 50,000,000 shares; issued and outstanding 32,558,168 and 33,004,861 shares in 2019 and 2018, respectively		326		330
Additional paid-in capital		52,605		47,861
Retained earnings		720,653		679,432
Total shareholders' equity		773,584		727,623
Total	$	1,041,072	$	978,106

	Common Stock						Additional
(in thousands, except share data)	Shares Issued			Par Value			Paid-In Capital			Retained Earnings			Total
Balance at December 31, 2016		34,517,633		$	345		$	44,187		$	557,110		$	601,642
Exercise of stock options		29,750			—			31			—			31
Compensation expense under Incentive Stock Plan		—			—			3,162			—			3,162
Purchase and cancellation of common stock		(1,025,475	)		(10	)		(1,848	)		(74,271	)		(76,129	)
Issuance of non-vested stock, net of cancellations		65,317			1			674			—			675
Other stock related activity, net of tax		(15,701	)		—			(1,394	)		221			(1,173	)
Net income		—			—			—			106,599			106,599
Balance at December 30, 2017		33,571,524			336			44,812			589,659			634,807
Exercise of stock options		10,572			—			200			—			200
Compensation expense under Incentive Stock Plan		—			—			3,460			—			3,460
Purchase and cancellation of common stock		(648,503	)		(7	)		(1,167	)		(44,177	)		(45,351	)
Issuance of non-vested stock, net of cancellations		83,891			1			1,798			—			1,799
Other stock related activity, net of tax		(12,623	)		—			(1,242	)		348			(894	)
Net income		—			—			—			133,602			133,602
Balance at December 29, 2018		33,004,861			330			47,861			679,432			727,623
Exercise of stock options		14,227			—			123			—			123
Compensation expense under Incentive Stock Plan		—			—			3,077			—			3,077
Purchase and cancellation of common stock		(521,944	)		(5	)		(939	)		(40,395	)		(41,339	)
Issuance of non-vested stock, net of cancellations		69,826			1			1,376			—			1,377
Other stock related activity, net of tax		(10,707	)		—			1,107			(2,146	)		(1,039	)
Net income		—			—			—			83,762			83,762
Balance at December 28, 2019		32,556,263		$	326		$	52,605		$	720,653		$	773,584

	For the Year Ended
(in thousands)	December 28, 2019			December 29, 2018			December 30, 2017
Cash Flows from Operating Activities:
Net income	$	83,762		$	133,602		$	106,599
Adjustments to reconcile net income to cash provided by operating activities:
Depreciation, amortization and accretion		25,915			28,391			22,224
Provision for doubtful accounts		39			(570	)		299
Provision (benefit) from deferred income tax		1,058			(58	)		4,676
Provision for non-cash stock compensation		3,077			3,460			3,162
Changes in assets and liabilities:
Accounts receivable		8,810			(61,413	)		(5,709	)
Inventories		(10,956	)		(46,835	)		(25,147	)
Prepaids and other current assets		(7,659	)		(853	)		(3,748	)
Other assets		1,672			(3,897	)		(4,908	)
Accounts payable		(19,079	)		26,957			3,718
Accrued customer rebates and returns		9,016			(5,173	)		-
Accrued compensation and other liabilities		(349	)		4,501			(6,925	)
Cash provided by operating activities		95,306			78,112			94,241
Cash Flows from Investing Activities:
Acquisitions, net of cash acquired		-			(28,040	)		(59,987	)
Property, plant and equipment additions		(29,560	)		(26,106	)		(24,450	)
Purchase of investments		-			(5,000	)		(10,000	)
Cash used in investing activities		(29,560	)		(59,146	)		(94,437	)
Cash Flows from Financing Activities:
Contingent consideration payments		-			(2,036	)		—
Other stock related activity		365			249			(1,173	)
Proceeds from exercise of stock options		123			201			31
Purchase and cancellation of common stock		(41,339	)		(45,352	)		(76,129	)
Cash used in financing activities		(40,851	)		(46,938	)		(77,271	)
Effect of exchange rate changes on Cash and Cash Equivalents		-			(261	)		37
Net Increase (Decrease) in Cash and Cash Equivalents		24,895			(28,233	)		(77,430	)
Cash and Cash Equivalents, Beginning of Period		43,458			71,691			149,121
Cash and Cash Equivalents, End of Period	$	68,353		$	43,458		$	71,691
Supplemental Cash Flow Information
Cash paid for interest expense	$	338		$	250		$	291
Cash paid for income taxes	$	28,923		$	30,453		$	74,647

Item 9. Changes in and Disagreements with Accountants on Accounting and Financial Disclosure.

We maintain disclosure controls and procedures designed to provide reasonable assurance that information required to be disclosed in reports filed or submitted under the Exchange Act is recorded, processed, summarized and reported within the time periods specified in the Securities and Exchange Commission’s rules and forms and accumulated and communicated to our management, including our Chief Executive Officer and Chief Financial Officer, or persons performing similar functions, as appropriate to allow timely decisions regarding required disclosures.

Our management, with the participation of our Chief Executive Officer and our Chief Financial Officer, conducted an evaluation, as of the end of the period covered by this report, of the effectiveness of our disclosure controls and procedures, as such term is defined in Exchange Act Rule 13a-15(e). Based on this evaluation, our Chief Executive Officer and our Chief Financial Officer have concluded that, as of the end of the period covered by this report, our disclosure controls and procedures, as defined in Rule 13a-15(e), were effective at the reasonable assurance level.

Our management is responsible for establishing and maintaining adequate internal control over financial reporting, as defined in Exchange Act Rule 13a-15(f). Our management, with the participation of our Chief Executive Officer and Chief Financial Officer, conducted an evaluation, as of December 28, 2019, of the effectiveness of our internal control over financial reporting based on the framework in Internal Control - Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission (“COSO”). Based on this evaluation, our management concluded that, as of December 28, 2019, our internal control over financial reporting was effective.

Our independent registered public accounting firm, KPMG LLP, has issued an attestation report on our internal control over financial reporting. Their report appears below.

There was no change in our internal control over financial reporting (as defined in Rule 13a-15(f) under the Exchange Act), that occurred during the quarter ended December 28, 2019 that has materially affected, or is reasonably likely to materially affect, our internal control over financial reporting.

We have audited Dorman Products, Inc. and subsidiaries (the Company) internal control over financial reporting as of December 28, 2019, based on criteria established in Internal Control – Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission. In our opinion, the Company maintained, in all material respects, effective internal control over financial reporting as of December 28, 2019, based on criteria established in Internal Control – Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission.

We also have audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States) (PCAOB), the consolidated balance sheets of the Company as of December 28, 2019 and December 29, 2018, and the related consolidated statements of operations, shareholders’ equity, and cash flows for each of the fiscal years in the three-year period ended December 28, 2019, and related notes and the consolidated financial statement schedule II listed under Item 15(a)(2) (collectively, the consolidated financial statements), and our report dated February 26, 2020 expressed an unqualified opinion on those consolidated financial statements.

The Company’s management is responsible for maintaining effective internal control over financial reporting and for its assessment of the effectiveness of internal control over financial reporting, included in the accompanying Management’s Report on Internal Control Over Financial Reporting. Our responsibility is to express an opinion on the Company’s internal control over financial reporting based on our audit. We are a public accounting firm registered with the PCAOB and are required to be independent with respect to the Company in accordance with the U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB.

We conducted our audit in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audit to obtain reasonable assurance about whether effective internal control over financial reporting was maintained in all material respects. Our audit of internal control over financial reporting included obtaining an understanding of internal control over financial reporting, assessing the risk that a material weakness exists, and testing and evaluating the design and operating effectiveness of internal control based on the assessed risk. Our audit also included performing such other procedures as we considered necessary in the circumstances. We believe that our audit provides a reasonable basis for our opinion.

A company’s internal control over financial reporting is a process designed to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles. A company’s internal control over financial reporting includes those policies and procedures that (1) pertain to the maintenance of records that, in reasonable detail, accurately and fairly reflect the transactions and dispositions of the assets of the company; (2) provide reasonable assurance that transactions are recorded as necessary to permit preparation of financial statements in accordance with generally accepted accounting principles, and that receipts and expenditures of the company are being made only in accordance with authorizations of management and directors of the company; and (3) provide reasonable assurance regarding prevention or timely detection of unauthorized acquisition, use, or disposition of the company’s assets that could have a material effect on the financial statements.

Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements. Also, projections of any evaluation of effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance with the policies or procedures may deteriorate.

Except for the information provided in “Part I – Item 4.1 Executive Officers of the Registrant” and as set forth below, the required information is incorporated by reference from our definitive proxy statement for our 2020 Annual Meeting of Shareholders, including, but not necessarily limited to, the sections entitled “Proposal I: Election of Directors” and “Committees of the Board of Directors – Audit Committee.”

We have adopted a written code of ethics that is applicable to all of our directors, officers and employees, including our Chief Executive Officer, Chief Financial Officer and Principal Accounting Officer, Controller and other executive officers. We have also adopted a written code of ethics, “Code of Ethics for Senior Financial Officers,” which applies to our Chief Executive Officer, Chief Financial Officer, Principal Accounting Officer, Controller and any other person performing similar functions. In accordance with the SEC's rules and regulations a copy of each code of ethics is posted on our website www.dormanproducts.com. Dorman will provide to any person without charge, upon request, a copy of such codes of ethics. Requests for copies of such codes of ethics should be directed to: Attn: Corporate Secretary, Dorman Products, Inc., 3400 East Walnut Street, Colmar, PA 18915. We intend to disclose any changes in or waivers from our codes of ethics on our website at www.dormanproducts.com. The information on the website is not and should not be considered part of this Form 10-K and is not incorporated by reference in this Form 10-K.

The required information is incorporated by reference from our definitive proxy statement for our 2020 Annual Meeting of Shareholders, including, but not necessarily limited to, the sections entitled “Director Compensation,” “Executive Compensation: Compensation Discussion and Analysis,” “Executive Compensation: Compensation Tables,” “Risk Assessment in Compensation Policies and Practices for Employees,” and “Compensation Committee Interlocks and Insider Participation.”

Item 12. Security Ownership of Certain Beneficial Owners and Management and Related Shareholder Matters.

Except for the information set forth below, the required information is incorporated by reference from our definitive proxy statement for our 2020 Annual Meeting of Shareholders, including, but not necessarily limited to, the section entitled “Security Ownership of Certain Beneficial Owners and Management.”

The following table details information regarding our existing equity compensation plans as of December 28, 2019:

					(c)
Plan Category	(a) Number of securities to be issued upon exercise of outstanding options, warrants and rights		(b) Weighted- average exercise price of outstanding options, warrants and rights		Number of securities remaining available for future issuance under equity compensation plans (excluding securities reflected in column (a))
Equity compensation plans approved by security holders
2008 Stock Option and Stock Incentive Plan		58,178	$	61.31		—
2018 Stock Option and Stock Incentive Plan		5,254	$	76.27		1,034,023
Dorman Products, Inc. Employee Stock Purchase Plan		—		—		957,627
Equity compensation plans not approved by security holders		—		—		—
Total		63,432	$	62.39		1,991,650

Item 13. Certain Relationships and Related Transactions, and Director Independence.

The required information is incorporated by reference from our definitive proxy statement for our 2020 Annual Meeting of Shareholders, including, but not necessarily limited to, the sections entitled “Certain Relationships and Related Transactions” and “Corporate Governance – The Board of Directors and Director Independence.”

Consolidated Statements of Operations for the fiscal years ended December 28, 2019, December 29, 2018 and December 30, 2017.

Consolidated Statements of Shareholders' Equity for the fiscal years ended December 28, 2019, December 29, 2018 and December 30, 2017.

Consolidated Statements of Cash Flows for the fiscal years ended December 28, 2019, December 29, 2018, and December 30, 2017.

(b) Exhibits. The Exhibit Index, which immediately precedes the signature page, is incorporated by reference into this Report.

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

Pursuant to the requirements of the Securities Exchange Act of 1934, this report has been signed below by the following persons on behalf of the registrant and in the capacities and on the dates indicated.

Signature	Title	Date

/s/ Kevin M. Olsen	President and Chief Executive Officer and Director	February 26, 2020
Kevin M. Olsen	(principal executive officer)

/s/ David Hession	Senior Vice President, Chief Financial Officer and Treasurer	February 26, 2020
David Hession	(principal financial and accounting officer)

/s/ Steven L. Berman		February 26, 2020
Steven L. Berman	Executive Chairman

/s/ John J. Gavin	Director
John J. Gavin		February 26, 2020

/s/ Paul R. Lederer	Director
Paul R. Lederer		February 26, 2020

/s/ Richard T. Riley	Director
Richard T. Riley		February 26, 2020

/s/ Kelly A. Romano	Director
Kelly Romano		February 26, 2020

/s/ G. Michael Stakias	Director
G. Michael Stakias		February 26, 2020


Title of each class: Trading Symbol(s)	Name of each exchange on which registered:
Common Stock, $0.01 Par Value DORM	The NASDAQ Global Select Market

References to		Refers to the year ended
Fiscal 2015		December 26, 2015
Fiscal 2016		December 31, 2016
Fiscal 2017		December 30, 2017
Fiscal 2018		December 29, 2018
Fiscal 2019		December 28, 2019

	2019		2018		2017
New to the aftermarket		1,625		1,716		1,192
Line extensions		3,614		3,827		2,887
Total unique parts introduced		5,239		5,543		4,079

	Payments Due by Period
Contractual Obligations	Total		Less than 1 year		1-3 years		3-5 years		Thereafter
Operating leases	$	45,170	$	6,935	$	9,881	$	6,840	$	21,514
	$	45,170	$	6,935	$	9,881	$	6,840	$	21,514

Buildings and building improvements		10 to 39 years
Machinery, equipment and tooling		3 to 7 years
Software and computer equipment		3 to 10 years
Furniture, fixtures and leasehold improvements		3 to 7 years

Large accelerated filer	☒	Accelerated filer	☐

Non-accelerated filer	☐	Smaller reporting company	☐

		Emerging growth company	☐

		Page
	Part I

Item 1.	Business	3
Item 1A.	Risk Factors	9
Item 1B.	Unresolved Staff Comments	17
Item 2.	Properties	17
Item 3.	Legal Proceedings	18
Item 4.	Mine Safety Disclosures	18
Item 4.1	Information about Our Executive Officers	18

	Part II

Item 5.	Market for Registrant's Common Equity, Related Shareholder Matters and Issuer Purchases of Equity Securities	20
Item 6.	Selected Financial Data	22
Item 7.	Management's Discussion and Analysis of Financial Condition and Results of Operations	23
Item 7A.	Quantitative and Qualitative Disclosures about Market Risk	32
Item 8.	Financial Statements and Supplementary Data	32
Item 9.	Changes in and Disagreements with Accountants on Accounting and Financial Disclosure	62
Item 9A.	Controls and Procedures	62
Item 9B.	Other Information	65

	Part III

Item 10.	Directors, Executive Officers and Corporate Governance	66
Item 11.	Executive Compensation	66
Item 12.	Security Ownership of Certain Beneficial Owners and Management and Related Shareholder Matters	66
Item 13.	Certain Relationships and Related Transactions, and Director Independence	67
Item 14.	Principal Accounting Fees and Services	67

	Part IV

Item 15.	Exhibits, Financial Statement Schedules	68
Item 16.	Form 10-K Summary	68

	Percentage of Net Sales
	Year Ended
	December 28, 2019			December 29, 2018			December 30, 2017
Power-train		40	%		40	%		41	%
Chassis		30	%		29	%		27	%
Automotive Body		25	%		26	%		27	%
Hardware		5	%		5	%		5	%
Total		100	%		100	%		100	%

	2019
	U.S.		Non-U.S.		Total
Operations		1,906		-		1,906
Product Development		224		40		264
Quality and Engineering		140		25		165
Sales		126		16		142
Administration		261		4		265
Total Employees		2,657		85		2,742

Name	Age	Position with the Company
Steven L. Berman	60	Executive Chairman
Kevin M. Olsen	48	President and Chief Executive Officer
Joseph P. Braun	45	Senior Vice President, General Counsel and Secretary
Jeffrey L. Darby	52	Senior Vice President, Sales and Marketing
David M. Hession	51	Senior Vice President, Chief Financial Officer and Treasurer
Michael B. Kealey	45	Executive Vice President, Commercial

	Amount of Commitment Expiration Per Period
Other Commercial Commitments	Total Amount Committed		Less than 1 year		1-3 years		3-5 years		Thereafter
Letters of Credit	$	825	$	825	$	—	$	—	$	—
	$	825	$	825	$	—	$	—	$	—

	December 29, 2018
(in thousands)	As Previously Reported		Adjustment		As Revised
Revised Consolidated Balance Sheet Amounts:
Assets
Accounts receivable, net	$	310,114	$	90,549	$	400,663
Total current assets	$	629,728	$	90,549	$	720,277
Total assets	$	887,557	$	90,549	$	978,106
Liabilities and shareholders' equity
Accrued customer rebates and returns	$	6,338	$	90,549	$	96,887
Total current liabilities	$	141,590	$	90,549	$	232,139
Total liabilities and shareholders' equity	$	887,557	$	90,549	$	978,106

	Fiscal Year Ended December 29, 2018
(in thousands)	As Previously Reported			Adjustment			As Revised
Revised Consolidated Statement of Cash Flows from Operating Activities Amounts:
Accounts receivable	$	(66,403	)	$	4,990		$	(61,413	)
Accrued customer rebates and returns	$	—		$	(5,173	)	$	(5,173	)
Accrued compensation and other liabilities	$	4,318		$	183		$	4,501
Net cash used in operating activities	$	78,112		$	—		$	78,112

(in thousands)	As of December 30, 2017		Effect of Adoption		As of December 31, 2017

Accounts receivable, net	$	241,880	$	95,537	$	337,417
Accrued customer rebates and returns	$	6,522	$	95,537	$	102,059

(in thousands)	Valuation		Amortization Period (in years)
Customer relationships	$	3,400		8
Tradenames		460		5
Other		240		5
Total	$	4,100

(in thousands)	Total Acquisition Date Fair Value
Cash consideration (net of $3.3 million cash received)	$	56,859
Contingent cash consideration		7,982
Seller liability assumed		896
Working capital adjustment		1,486
Total consideration assigned to net assets acquired	$	67,223

(in thousands)	October 26, 2017 (As initially reported)		Measurement period adjustments			October 26, 2017 (As adjusted)
Current assets (net of $3.3 million cash received)	$	21,756	$	90		$	21,846
Property, plant and equipment		1,615		-			1,615
Intangible assets		20,440		-			20,440
Goodwill		35,624		(193	)		35,431
Total assets acquired		79,435		(103	)		79,332
Current liabilities		5,691		(50	)		5,641
Long-term liabilities		6,468		-			6,468
Total liabilities assumed		12,159		(50	)		12,109
Net assets acquired	$	67,276	$	(53	)	$	67,223

(in thousands)	December 28, 2019
Operating lease expense	$	7,362
Short-term lease expense		4,547
Total lease expense	$	11,909

(in thousands)	December 28, 2019
2020	$	6,935
2021		4,977
2022		4,904
2023		3,388
2024		3,452
2025 and thereafter		21,514
Total lease payments		45,170
Less: Imputed interest		(10,092	)
Present value of lease liabilities	$	35,078

			December 28, 2019						December 29, 2018
(dollars in thousands)	Weighted Average Amortization Period (years)		Gross Carrying Value		Accumulated Amortization		Net Carrying Value		Gross Carrying Value		Accumulated Amortization		Net Carrying Value
Intangible assets subject to amortization
Tradenames		12.3	$	6,060	$	975	$	5,085	$	7,590	$	516	$	7,074
Customer relationships		8.0		20,450		4,698		15,752		20,130		2,582		17,548
Technology		12.0		367		74		293		367		49		318
Other		3.7		240		65		175		240		16		224
Total			$	27,117	$	5,812	$	21,305	$	28,327	$	3,163	$	25,164

(in thousands)
2020	$	2,674
2021		2,674
2022		2,674
2023		2,626
2024		2,530
Thereafter		8,127
Total	$	21,305

	2019
Share price	$	82.03
Expected dividend yield		0.0	%
Expected stock price volatility		27.7	%
Risk-free interest rate		2.5	%
Expected life	2.8 years

	Shares			Weighted Average Price
Balance at December 31, 2016		145,363		$	49.22
Granted		70,611		$	78.27
Vested		(56,953	)	$	56.03
Cancelled		(5,294	)	$	51.56
Balance at December 30, 2017		153,727		$	59.94
Granted		89,798		$	73.51
Vested		(45,707	)	$	62.56
Cancelled		(27,081	)	$	75.39
Balance at December 29, 2018		170,737		$	63.94
Granted		92,396		$	81.92
Vested		(41,586	)	$	55.72
Cancelled		(44,056	)	$	58.03
Balance at December 28, 2019		177,491		$	76.70

	Shares			Option Price per Share		Weighted Average Price		Weighted Average Remaining Terms (years)		Aggregate Intrinsic Value
Balance at December 31, 2016		101,084		$5.67 – $53.32		$	29.52
Granted		58,024		$69.02 – $82.59		$	78.58
Exercised		(32,751	)	$6.90 – $41.59		$	7.69
Cancelled		(3,810	)	$41.59 – $78.64		$	56.72
Balance at December 30, 2017		122,547		$5.67 – $82.59		$	57.74
Granted		81,995		$68.93 – $82.94		$	73.84
Exercised		(15,113	)	$5.67 – $78.64		$	39.38
Cancelled		(960	)	$	72.55	$	72.55
Balance at December 29, 2018		188,469		$7.74 – $82.94		$	66.14
Granted		44,025		$73.72 – $84.93		$	81.84
Exercised		(38,009	)	$7.74 – $78.76		$	58.96
Cancelled		(12,773	)	$41.59 – $82.94		$	75.52
Balance at December 28, 2019		181,712		$41.59 – $84.93		$	70.78		3.8	$	1,308,808
Options exercisable at December 28, 2019		63,432		$41.59 – $82.94		$	62.39		2.3	$	897,145

		Options Outstanding						Options Exercisable
Range of Exercise Price		Number Outstanding		Weighted Average Remaining Contractual Life (years)		Weighted Average Exercise Price		Number Exercisable		Weighted Average Exercise Price
	$41.59 - $61.13		38,848		1.3	$	45.94		29,136	$	45.94
	$61.14 - $73.13		52,413		3.9	$	71.89		13,762	$	71.68
	$73.14 - $78.70		24,654		3.4	$	77.60		9,650	$	78.64
	$78.71 - $82.31		35,803		5.2	$	80.65		6,871	$	78.76
	$82.32 - $84.93		29,994		5.6	$	83.66		4,013	$	82.83
Balance at December 28, 2019			181,712		3.8	$	70.78		63,432	$	62.39

	First Quarter		Second Quarter		Third Quarter		Fourth Quarter
(in thousands, except per share amounts)	2019
Net sales	$	243,791	$	254,175	$	253,796	$	239,567
Income from operations		29,742		27,223		26,963		21,900
Net income		23,407		21,499		21,308		17,548
Diluted earnings per share		0.71		0.66		0.65	0.54

Number		Title

3.1		Amended and Restated Articles of Incorporation, as amended. Incorporated by reference to Exhibit 3.1 to the Company’s Current Report on Form 8-K filed on May 19, 2017.

3.2		Amended and Restated Bylaws. Incorporated by reference to Exhibit 3.2 to the Company’s Current Report on Form 8-K/A filed on December 8, 2020.

4.1		Specimen Common Stock Certificate of the Company. Incorporated by reference to Exhibit 4.1 to the Company’s Registration Statement on Form S-8 (Registration No. 333-160979).

4.2		Amended and Restated Shareholders' Agreement dated as of July 1, 2006. Incorporated by reference to Exhibit 4.1 to the Company’s Quarterly Report on Form 10-Q for the quarter ended September 27, 2008.

4.3		Description of the Registrant’s Securities Registered Pursuant to Section 12 of the Securities Exchange Act of 1934.

10.1		Lease Agreement, dated December 29, 2012, between the Company and BREP I, for premises located at 3400 East Walnut Street, Colmar, Pennsylvania. Incorporated by reference to Exhibit 10.1 to the Company’s Current Report on Form 8-K filed on November 16, 2012.

10.1.1		Lease Renewal Notice, dated November 14, 2016, between the Company and BREP I, for premises located at 3400 East Walnut Street, Colmar, Pennsylvania. Incorporated by reference to Exhibit 10.1 filed with the Company’s Current Report on Form 8-K filed on November 14, 2016.

10.2		Credit Agreement dated as of December 7, 2017, by and between the Company and Wells Fargo Bank, National Association. Incorporated by reference to Exhibit 10.1 to the Company's Current Report on Form 8-K filed on December 8, 2017.

10.3†		Dorman Products, Inc. 2008 Stock Option and Stock Incentive Plan. Incorporated by reference to Exhibit 10.1 to the Company’s Registration Statement on Form S-8 (Registration No. 333-160979).

10.3.1†		Form of Incentive Stock Option Agreement pursuant to the Dorman Products, Inc. 2008 Stock Option and Stock Incentive Plan. Incorporated by reference to Exhibit 10.1 to the Company’s Registration Statement on Form S-8 (Registration No. 333-160979).

10.3.2†		Form of Non-Qualified Stock Option Agreement for Officers and Other Key Employees pursuant to the Dorman Products, Inc. 2008 Stock Option and Stock Incentive Plan. Incorporated by reference to Exhibit 10.1 to the Company’s Registration Statement on Form S-8 (Registration No. 333-160979).

10.3.3†		Form of Non-Qualified Stock Option Agreement for Outside Directors and Important Consultants and/or Advisors pursuant to the Dorman Products, Inc. 2008 Stock Option and Stock Incentive Plan. Incorporated by reference to Exhibit 10.1 to the Company’s Registration Statement on Form S-8 (Registration No. 333-160979).

10.3.4†		Form of Restricted Stock Agreement pursuant to the Dorman Products, Inc. 2008 Stock Option and Stock Incentive Plan. Incorporated by reference to Exhibit 10.1 to the Company’s Registration Statement on Form S-8 (Registration No. 333-160979).

10.3.5†		Amendment No. 1 to the Dorman Products, Inc. 2008 Stock Option and Stock Incentive Plan. Incorporated by reference to Exhibit 10.2 to the Company’s Quarterly Report on Form 10-Q for the quarter ended September 28, 2013.

10.3.6†		Amendment No. 2 to the Dorman Products, Inc. 2008 Stock Option Plan and Stock Incentive Plan. Incorporated by reference to Exhibit 10.2 to the Company’s Current Report on Form 8-K filed on May 20, 2014.

10.4†		Dorman Products, Inc. 2018 Stock Option and Stock Incentive Plan. Incorporated by reference to Exhibit A of the Company’s Definitive Proxy Statement filed on Schedule 14A on March 22, 2018.

10.4.1†		Form of Non-Qualified Stock Option Award for grants under the Dorman Products, Inc. 2018 Stock Option and Stock Incentive Plan. Incorporated by reference to Exhibit 10.1 to the Company’s Current Report on Form 8-K filed on May 14, 2018.

Number		Title

10.4.2†		Form of Incentive Stock Option Award for grants under the Dorman Products, Inc. 2018 Stock Option and Stock Incentive Plan. Incorporated by reference to Exhibit 10.2 to the Company’s Current Report on Form 8-K filed on May 14, 2018.

10.4.3†		Form of Restricted Stock Award for grants under the Dorman Products, Inc. 2018 Stock Option and Stock Incentive Plan. Incorporated by reference to Exhibit 10.3 to the Company’s Current Report on Form 8-K filed on May 14, 2018.

10.4.4†		Form of Performance Restricted Stock Award for grants under the Dorman Products, Inc. 2018 Stock Option and Stock Incentive Plan. Incorporated by reference to Exhibit 10.4 to the Company’s Current Report on Form 8-K filed on May 14, 2018.

10.4.5†		Form of Restricted Stock Unit Award for grants under the Dorman Products, Inc. 2018 Stock Option and Stock Incentive Plan. Incorporated by reference to Exhibit 10.5 to the Company’s Current Report on Form 8-K filed on May 14, 2018.

10.4.6†		Form of Performance Restricted Stock Unit Award for grants under the Dorman Products, Inc. 2018 Stock Option and Stock Incentive Plan. Incorporated by reference to Exhibit 10.6 to the Company’s Current Report on Form 8-K filed on May 14, 2018.

10.4.7†		Form of 2019 Chief Executive Officer Restricted Stock Award Agreement under the Dorman Products, Inc. 2018 Stock Option and Stock Incentive Plan. Incorporated by reference to Exhibit 10.1 to the Company’s Current Report on Form 8-K filed on February 25, 2019.

10.5†		Dorman Products, Inc. Nonqualified Deferred Compensation Plan. Incorporated by reference to Exhibit 10.1 to the Company’s Current Report on Form 8-K filed on February 11, 2011.

10.6†		Dorman Products, Inc. Executive Cash Bonus Plan, approved by the Company’s shareholders at the 2010 Annual Shareholders Meeting held on May 20, 2010. Incorporated by reference to Exhibit 10.1 to the Company’s Current Report on Form 8-K filed on May 24, 2010.

10.6.1†		Amendment No. 1 to the Dorman Products, Inc. Executive Cash Bonus Plan, approved by the Company’s shareholders at the 2014 Annual Shareholders Meeting held on May 16, 2014. Incorporated by reference to Exhibit 10.1 to the Company’s Current Report on Form 8-K filed on May 20, 2014.

10.7		Dorman Products, Inc. 2018 Cash Bonus Plan. Incorporated by reference to Exhibit 10.1 to the Company’s Current Report on Form 8-K filed on March 22, 2018.

10.8†		Amended and Restated Employment Agreement, dated December 28, 2015, between the Company and Steven Berman. Incorporated by reference to Exhibit 10.2 to the Company’s Current Report on Form 8-K filed on December 28, 2015.

10.9†		Employment Agreement, dated December 28, 2015, between the Company and Mathias J. Barton. Incorporated by reference to Exhibit 10.1 to the Company’s Current Report on Form 8-K filed on December 28, 2015.

10.11†		Transition Agreement, dated as of October 25, 2018, between the Company and Mathias J. Barton. Incorporated by reference to Exhibit 10.1 to the Company’s Current Report on Form 8-K filed on October 30, 2018.

10.12†		Offer Letter, dated May 2, 2016, between the Company and Kevin Olsen. Incorporated by reference to Exhibit 10.1 to the Company’s Current Report on Form 8-K filed on May 25, 2016.

10.13†		Employment Agreement, dated January 10, 2019, between the Company and Kevin Olsen. Incorporated by reference to Exhibit 10.1 to the Company’s Current Report on Form 8-K filed on January 11, 2019.

10.14†		Separation Agreement and General Release by and between Michael Ginnetti and Dorman Products, Inc. dated as of September 18, 2019 (incorporated by reference to Exhibit 10.1 to the Company’s Current Report on Form 8-K filed on September 20, 2019)

Number		Title
10.15†		Offer Letter, dated January 24, 2019, between the Company and David Hession. Incorporated by reference to Exhibit 10.1 to the Company’s Current Report on Form 8-K filed on February 19, 2019.

10.16†		Separation Agreement, dated February 25, 2011, between the Company and Jeffrey Darby. Incorporated by reference to Exhibit 10.10 to the Company’s Annual Report on Form 10-K for the fiscal year ended December 28, 2013.

10.17†		Offer Letter, dated April 8, 2019, between the Company and Joseph P. Braun.

21		Subsidiaries of the Company.

23		Consent of Independent Registered Public Accounting Firm.

31.1		Certification of Chief Executive Officer as required by Section 302 of the Sarbanes-Oxley Act of 2002.

31.2		Certification of Chief Financial Officer as required by Section 302 of the Sarbanes-Oxley Act of 2002.

32		Certification of Chief Executive and Chief Financial Officer as required by Section 906 of the Sarbanes-Oxley Act of 2002.

101		The financial statements from the Dorman Products, Inc. Annual Report on Form 10-K for the year ended December 28, 2019, formatted Inline XBRL (eXtensible Business Reporting Language): (i) the Consolidated Statements of Operations for the years ended December 28, 2019, December 29, 2018 and December 30, 2017; (ii) the Consolidated Balance Sheets as of December 28, 2019 and December 29, 2018; (iii) the Consolidated Statements of Shareholders’ Equity for the years ended December 28, 2019, December 29, 2018 and December 30, 2017; (iv) the Consolidated Statements of Cash Flows for the years ended December 28, 2019, December 29, 2018 and December 30, 2017; and (v) the Notes to Consolidated Financial Statements.

104		The cover page from the Company’s Annual Report on Form 10-K as of and for the fiscal year ended December 28, 2019, formatted in Inline XBRL (included as Exhibit 101).

		Dorman Products, Inc.

		By: /s/ Kevin M. Olsen
Date: February 26, 2020		Kevin M. Olsen President and Chief Executive Officer

Subsidiary		Jurisdiction
RB Distribution, Inc.		Pennsylvania
RB Management, Inc.		Pennsylvania

Capital Stock - Schedule of Weighted Average Valuation Assumptions Used to Calculate Fair Value of Stock Granted (Detail) - $ / shares	12 Months Ended
	Dec. 28, 2019	Dec. 29, 2018	Dec. 30, 2017
Performance Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share price	$ 82.03
Expected dividend yield	0.00%
Expected stock price volatility	27.70%
Risk-free interest rate	2.50%
Expected life	2 years 9 months 18 days
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected dividend yield	0.00%	0.00%	0.00%
Expected stock price volatility	28.00%	27.00%	27.00%
Risk-free interest rate	2.30%	2.60%	1.50%
Expected life	5 years 4 months 24 days	3 years	3 years

Leases - Summary of Minimum Future Rental Payments under Operating Leases (Detail) $ in Thousands	Dec. 29, 2018 USD ($)
Leases [Abstract]
2019	$ 5,489
2020	5,416
2021	4,972
2022	4,599
2023	3,013
2024 and thereafter	24,297
Total rental payments	$ 47,786

Leases - Additional Information (Detail) - USD ($)	12 Months Ended
Leases - Additional Information (Detail) - USD ($)	Dec. 28, 2019	Dec. 29, 2018	Dec. 30, 2017
Lessee Lease Description [Line Items]
Finance leases	$ 0
Cash paid for operating leases	$ 6,000,000.0
Rent expense for operating leases, including short-term equipment and storage rentals		$ 6,900,000	$ 5,700,000
Minimum [Member]
Lessee Lease Description [Line Items]
Operating lease remaining lease term	1 year
Maximum [Member]
Lessee Lease Description [Line Items]
Operating lease remaining lease term	12 years

Goodwill and Intangible Assets - Schedule of Estimated Future Amortization Expense (Detail) - USD ($) $ in Thousands	Dec. 28, 2019	Dec. 29, 2018
Goodwill And Intangible Assets Disclosure [Abstract]
2020	$ 2,674
2021	2,674
2022	2,674
2023	2,626
2024	2,530
Thereafter	8,127
Net Carrying Value	$ 21,305	$ 25,164