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Operator
Hello and welcome to the Advance Auto Parts fourth quarter and full year 2022 conference call. Before we begin, Elizabeth Eisleben, Senior Vice President, Communications and Investor Relations, will make a brief statement concerning forward-looking statements that will be discussed on this call. You may now begin.
Elizabeth Eisleben
Good morning and thank you for joining us to discuss our Q4 and full year 2022 results. I'm joined by Tom Greco, President and Chief Executive Officer and Jeff Sheppard, Executive Vice President and Chief Financial Officer. Following their prepared remarks, we will turn our attention to answering your questions. Before we begin, please be advised that remarks today will contain forward-looking statements. All statements other than statements of historical fact are forward-looking statements, including, but not limited to, statements regarding our initiatives, plans, projections, and future performance. Actual results could differ materially from those projected or implied by the forward-looking statements. Additional information about factors that could cause actual results to differ can be found under the captions forward-looking statements and risk factors in our most recent annual report on Form 10-K and subsequent filings made with the Commission. Now, let me turn the call over to Tom Greco.
Tom Greco
Thanks, Elizabeth, and good morning, everyone. Before getting into the details of the fourth quarter, and full year 2022 results, I'd like to begin by addressing our CEO succession news announced this morning. After months of deliberation, I've informed the board that I plan to retire at the end of the year. I believe that now is the right time to begin transitioning leadership for Advance's next chapter, not only for my family and me, but for the business for two important reasons. First, We're in the final year of our three-year strategic plan and are in the process of updating our next multi-year strategy. The timing will help enable my successor to play a role as we undertake this work to ensure the long-term success of ADVANCE. Second, the timing of this leadership transition will allow ample time for me to work with the board succession committee to identify my successor. The committee will be conducting a thorough and comprehensive search that considers both internal and external candidates and facilitates a smooth transition. We're focused on finding a candidate who can ensure that we continue to deliver for customers and drive long-term shareholder value. In the meantime, I'm committed to the execution of our 23 plans to ensure Advance will continue our trajectory and capitalize on the significant opportunity ahead. With this in mind, We have a lot to cover on our call today, so let me provide the key themes you'll hear from us. First, while we're not happy with our overall results in 2022, the decisive actions we took in the latter half of the year led to improved performance in Q4, and we expect that to continue into 2023. Second, after several years of significant investments and complex transformation initiatives, and with the majority of the integration behind us, we're now able to focus more time and resources on improving execution. Third, we remain focused on our plan to drive long-term shareholder value behind our four TSR drivers. This includes leveraging our differentiated professional assets to accelerate sales and profitable growth in our largest sales channel. So let's get started. Well, 2022 was a challenging year for AAP and our overall results did not meet expectations The hard work and dedication of our team members helped us end the year on a more positive note. We delivered improved top-line results in the fourth quarter as we expanded our footprint, increased customer loyalty, and leveraged the diehard brand to gain DIY market share. We continued to execute the disciplined inventory and pricing actions we discussed last quarter. These actions contributed to stronger results, and we expect to improve parts availability throughout 2023. which we believe is the single most important driver to accelerate top-line growth. We also finished the year with expanded, adjusted operating margins and returned more than $930 million in cash back to our shareholders in the form of share buybacks and dividends. Looking at our Q4 performance, net sales increased 3.2% and comparable store sales increased 2.1%. Q4 was led by mid single digit comp sales growth in DIY Omnichannel. Our professional business was slightly positive for the quarter. As we continue to expand our footprint, our new locations are providing incremental revenue growth. In 2022, we opened 144 new stores and branches, including most of our planned California locations. Looking at our sales performance in Q4 from a category perspective, Growth was led by continued strength in batteries behind Diehard with a double-digit increase compared to Q4 last year. We also saw strength in fluids and motor oil. Regionally, the West, Florida, and Mid-Atlantic outperformed our other regions. It's important to note we gained DIY omnichannel share in the quarter based on syndicated data. In Q4, we expanded adjusted operating income margin 146 basis points Adjusted diluted earnings per share increased by 39.1%, primarily driven by the increase in operating income margin and inclusive of a benefit from the functional currency change of one of our subsidiaries outlined in our press release. For the full year, net and comp sales results increased 1.4% and 0.3% respectively. Turning to margins and profitability, adjusted operating income margin expanded 24 basis points and adjusted diluted earnings per share grew 8.5%. As we discussed throughout 2022, one of the most significant SG&A headwinds we faced was related to our California expansion. Our startup costs for these new stores were significantly above our initial expectations for the year, which Jeff will discuss further. As you know, we've gone through a complex transformation spanning several years of significant investment. With the majority of this effort behind us, we're now able to focus more resources on driving execution and operating performance, including the opportunities discussed last quarter. First, we made targeted investments to get more SKUs closer to the customer. It's important to note that in-stock rates for front-room categories were strong in the quarter, as evidenced by sales growth and DIY share gains within diehard batteries and motor oil. inventory investments were concentrated in backroom hard parts categories. As expected, we saw modest improvements in our in-stock levels and performance in Q4 across these categories. We're continuing to work in close collaboration with supplier partners to ensure our in-stock levels within these categories continue to build in Q1 and throughout the balance of the year. Second, we continue to execute our category management strategy. an important driver of gross margin expansion for us. This strategy focuses on own brand penetration, strategic pricing, and strategic sourcing. In terms of own brand penetration, we ended the year at 50.5% of mix, which increased 210 basis points compared with the prior year, behind the strength of diehard and car requests. Own brands continue to be an important differentiator for us and provide a mix of good, better, and best options. Last quarter, we also talked about plans to leverage new capabilities to make surgical price investments. Through detailed reviews of our performance, we've made targeted investments and will closely monitor and adjust pricing as needed given industry dynamics. Beyond these initiatives, I want to mention a couple of other action items we believe will add value and help drive growth in 2023. First, we remain focused on building our brands to drive distinction and pricing power. We recently launched our Die Hards Choose Die Hard, a 60-second documentary-style video campaign featuring Kirstie Ennis, a former Marine sergeant and world-renowned climber who is the embodiment of Die Hard's attributes of reliability, durability, and power. Titled The Climber, this campaign is appearing on Advance's social media pages and debuted in theaters. We're confident this campaign will continue to help build awareness of both diehard and advanced. Second, we continue to expand our customer loyalty program, Speed Perks, to increase share of wallet with DIYers. In 2022, we increased membership by nearly 1 million members and our percent of transactions grew by 100 basis points year over year. We finished 2022 with 13.6 million active members contributing to our strong DIY performance in the court and view this as a continued growth driver for our company in 2023. Third, we continue to invest in digital capabilities in both DIY and pro. On our B2C website, we improve shopability to drive higher conversion and growth. We also continue to invest in our mobile app, including homepage design with a better user dashboard for Speedfrix members and optimized placement for featured products and promotions. Within professional, we integrated the advanced pro platform into new shop management and procurement systems. This drives efficiency and ease of doing business by providing more professional customers with delivery estimates. In addition, We improved our B2B online experience, which resulted in a significant increase in digital penetration. Now let me speak to our longer-term strategy to grow our professional business, where we start from a position of strength. As we said previously, we're the only major company with a pure-play professional model behind WorldPAC. Now that Autopart International has been fully integrated into WorldPAC, we have 316 existing locations that are dedicated to serving the professional customer with significantly more hard part SKUs than a traditional retail store. We also have nearly 330 advanced hubs and super hubs, which offer a broad range of parts. These assets allow us to better serve the needs of our professional customers with a comprehensive lineup of national brands, owned brands, and OE parts focused on what the pro customers need. We're now well positioned to execute the next generation of our strategy to profitably grow our professional business by getting the right part in the right place at the right time. Ultimately, this will involve positioning our enterprise-wide assortment as close to the customer as possible, ideally under one roof, to provide consistent and reliable delivery of the entire job. As an example, in Toronto, we recently combined two distribution centers into one with our enterprise assortment located in a single building. We're pleased with the early results we are seeing in Toronto and believe a similar approach to this has the potential to provide a superior customer experience in other markets across North America. For years, WorldPak has leveraged online ordering from its customers to determine assortment and to ensure we have the right part utilized a singular demand signal to position inventory in the right place, and provided a clear window for delivery so the installer consistently gets the part at the right time. Five years ago, we had four disparate supply chain and technology platforms. However, today, our systems are much better connected and enable us to take learnings from WorldPAC and apply them across all of our pro business. Our vision here is to leverage the entirety of our enterprise assets to provide a superior customer experience within Pro as we accelerate growth and profitability. We look forward to sharing more in the next evolution of our strategy. Before I turn the call over to Jeff, let me speak briefly about how we're thinking about 2023. As the final integration and amortization costs wind down, we've made the decision to shift to GAAP results as our guidance metric. JEP will provide further rationale for this, but we're excited to see our broader integration costs coming to an end, culminating in the exhaustion of GPI amortization costs in 2025. As we begin the year, we remain cautious surrounding the macroeconomic backdrop, including the potential for ongoing pressure on low to middle income consumers. However, our 2023 guidance is underpinned by continued industry strength with the drivers of demand remaining positive. Further, we expect the strategic inventory investments we began in the second half of 2022 will help drive growth in 2023. In terms of our expectations for the year, we're guiding to growth in net income sales as well as GAAP operating income margin expansion. I'll now turn the call over to Jeff to review our Q4 and full year financials in more detail and provide our outlook for 2023. Jeff?
Elizabeth
Thanks, Tom, and good morning. I would also like to start by thanking our team members for their commitment to advance this past year. While the year was not without challenges, our team members continued to put our customers first. In Q4, net sales of $2.5 billion increased 3.2% compared with Q4 2021, driven by strategic pricing and new store openings. Comparable store sales increased 2.1%. Adjusted gross profit margin expanded slightly to 46.9% compared with 46.8%. This was driven by strategic pricing, channel mix favorability, and own brand expansion. In the quarter, same skew cost inflation was approximately 6.9%. Q4 adjusted SG&A of $943 million was flat compared with the prior year. As a percent of net sales, adjusted SG&A improved 136 basis points. This was primarily driven by a year-over-year decrease in incentive compensation and marketing expenses. In terms of marketing, We improved efficiencies in the quarter by shifting to higher return investments within the marketing mix. We also incurred lower startup costs versus the prior year as a result of the ramp up of our new store openings in California. These benefits were partially offset by inflation in store labor and higher medical costs. Our Q4 adjusted operating income was $219 million, an increase of 23.6%. Our Q4 adjusted OI margin rate was 8.8%, an increase of 146 basis points, and our adjusted diluted earnings per share increased 39.1% to $2.88. The EPS improvement was driven by stronger operational results and a Q4 benefit of approximately $0.16 due to a change in the functional currency of our subsidiary in Taiwan. For the full year 2022, net sales of $11.2 billion increased 1.4% compared with the prior year. Our adjusted gross profit increased 4.4%, and adjusted gross profit margin expanded 135 basis points to 47.3%. Adjusted SG&A expenses for the full year 2022 increased 4.5% compared with 2021. On a rate basis, adjusted SG&A as a percent of net sales increased 111 basis points to 37.5%. As we discussed throughout 2022, our expansion in California weighed on SG&A throughout the year. Delays in permitting and construction resulted in significantly fewer sales weeks than we planned for our California-based stores. As you'll recall, We made a decision early on to hire the existing pet voice team members in the stores prior to opening, given the tight labor market. This helped ensure we had the customer relationships and geographic knowledge needed for long-term success. In short, we were paying rent and store payroll without sales well in excess of our original plan. We called out these costs each quarter last year, but for perspective, It represented approximately $60 million in startup costs in 2022. The good news is we now have nearly 90 stores open and the startup costs are largely behind us with less than 20 stores left to open. The stores are gaining more share in DIY every period, and we're building the professional business week by week. We're now able to service our large and vitally important national pro customers in California. which will continue to build over time. Our full year 2022 adjusted operating income increased 4% to $1.1 billion. On a rate basis, our adjusted OI margin expanded 24 basis points to 9.8%. Our adjusted diluted earnings per share of $13.04 increased 8.5%. Our 2022 capital expenditures were $424 million, compared with $290 million the previous year. This was driven by our continued investment in the business, primarily related to our new store openings, IT, and supply chain. As we continue to execute on our strategic objectives for 2023, our overall capital allocation priorities remain unchanged. and we plan to continue to deliver for customers and shareholders alike. Free cash flow for the full year was $298 million. As Tom mentioned, we're making strategic inventory investments to improve availability in 2023, which are important to accelerate growth this year. In addition, through process and technology improvements, we were able to process disputed payables more efficiently. In 2022, we returned approximately $934 million through a combination of share repurchases and our quarterly cash dividend. Our board also recently approved our quarterly cash dividend of $1.50. Turning to 2023 guidance. As Tom mentioned, we're shifting to GAAP measures for the purposes of guidance and will no longer be reporting non-GAAP results beginning in 2023. There are three primary drivers pertaining to the timing of this decision. First, our transformation costs are getting less impactful, reducing the need for non-GAAP adjustment. Our largest integration initiatives are largely completed, and our amortization costs will be exhausted in 2025. Second, no longer reporting on a non-GAAP basis will improve comparability with our peers, including similar treatment of LIFO moving forward. And lastly, many investors and analysts have requested that we prioritize gap metrics. Ultimately, our intention with this change is to help enhance the transparency and simplify our financial reporting going forward, consistent with feedback we've received. With that said, this year we will continue to highlight activities and related costs that were previously excluded from gap results, including, but not limited to, impacts associated with LIFO, our transformation-related costs, and amortization associated with the GTI acquisition. Our 2023 guidance is highlighted by modest growth in both our net and comp sales and gap margin expansion. Our 2023 guide is underpinned by a cautious macroeconomic outlook, given the pressure on low- and middle-income consumers, balanced with the continued industry strength as the primary driver's demands remain positive. In 2023, we expect product cost inflation of mid-single digits overall with moderation throughout the year. From a phasing standpoint, we expect Q1 2023 to be the most challenging quarter of the year for three reasons. First, based on GAAP accounting, we expect higher product costs year-over-year in Q1 than in subsequent quarters. Second, we expect to build sales momentum throughout the year as we improve availability. Third, we expect higher transformation costs within SG&A in Q1. Given these factors, we expect to experience stronger growth and margin expansion post-Q1. Considering these factors, our guidance includes net sales of $11.4 to $11.6 billion, comparable store sales of 1% to 3%, gap operating income margin of 7.8 to 8.2%, income tax rate of 24 to 25%, diluted earnings per share of $10.20 to $11.20, capital expenditures of $300 to $350 million, a minimum of $400 million in free cash flow, and 60 to 80 new store and branch openings. With last year's investment in inventory resulting in higher payable payments this year and anticipated continued inventory investments, we've temporarily paused share repurchases under our existing program. And at this time, we're not guiding a range of repurchases for the full year. Importantly, we remain committed to paying quarterly cash dividends. Over the long term, we remain committed to a balanced capital allocation approach and returning excess cash to shareholders. With that, I'd like to turn it back over to Tom for closing remarks.
Tom Greco
Thanks, Jeff. Since I joined this team in 2016, I've seen this company make terrific progress. I believe we have a strong team in place and a sturdy foundation for growth and profitability both in 2023 and beyond. With the heavy lifting of the integration behind us, I'm confident we're better positioned now for growth and value creation than ever before. With that, let's open the phone lines to questions. Operator?
Operator
Thank you. As a reminder, if you'd like to ask a question, you can press star 1 on your telephone keypad. If you'd like to withdraw your question, you may press star 2. Please ensure you're unmuted locally when asking your question. Our first question for today comes from Simeon Gutzman from Morgan Stanley. Your line is now open.
Simeon Gutzman
Please go ahead. Hey, good morning, everyone. Tom, wishing you well. I'm sorry, I forget the timing. If it's too soon, then I'll wish you well again. My question is on the margin. The gap EBIT margin around 8-ish percent, give or take, is not that different from where this business was several years ago. So the question is, is there some gap of inefficiency relative to peers, or should we think about margin expansion from here as more rateable with sales growth going forward?
Tom Greco
Morning, Simeon. We still see a substantial opportunity to grow margins and drive EPS and therefore shareholder value. The fact that we've moved to GAAP doesn't change that. You know, we're going to be working through our strategic plan 24 through 26 One of the things that we're excited about is to have the integration behind us and that means the transformation costs that we've been calling out are going to be coming down over time. You've heard in the prepared remarks that the amortization is exhausted completely by 2025. The integration costs will come down, so that will help us with margin expansion. We talked about changes in the competitive landscape last fall that impacted the pro sales channel, but we're confident that we can continue to grow margins from here. Right now we're obviously focused on 2023 and delivering our guidance for the year.
Simeon Gutzman
And then a follow-up on the free cash flow. Is this year's number encumbered by inventory purchases, and then that doesn't repeat, or is this a reasonable framework? I guess both CapEx as well as working capital. And then that grows relatively with the earnings power of the business.
Elizabeth
Yeah, and really it's what you said in the beginning there in terms of our investment in inventory. In 2022 and in the early part of 2023, we're just responding to that change in competitive landscape with regards to inventory investment. So we're going to be investing in our inventory to compete more effectively and really better serve our customers. This is primarily within professional. So, you know, we expect this to be a 2023 investment, and we would see changes going forward. And we're working through that right now as we work on our SPP for 24 through 26. Okay.
Simeon Gutzman
Thanks, Jeff. Thanks, Tom. I'm going to let you start.
Operator
Thank you. Our next question comes from Chris Halvers of JPMorgan Chase. Chris, your line is now open. Please go ahead.
Chris
Hi, it's Christian Carlino on for Chris. On the fourth quarter, could you just give us some sense of how much you think weather benefited the quarter and any color on quarter-to-day performance?
Tom Greco
Hey, good morning. We had a really strong quarter in DIY. We talked, called out the mid single digit growth there. We did gain share in DIY in the quarter. December was obviously colder than it was the previous year in the northern market. So we did benefit from that. So, overall, you know, whether was a slight benefit to us, I would say, in the fourth quarter that said, we gain chair. So, you know, we feel good about our relative performance in DIY, which is the one that tends to move more with weather. We're not going to comment on specific quarter-of-the-day results. You know, December was colder. January was warmer. You know, you all know that. But we fully contemplated that in our full-year guide. And we said that we expect our comp sales to improve this year as the year goes on. That's an important point. The inventory availability investments that we've been making are going to benefit us more as the year goes on.
Chris
Got it. And then on the margin guidance, could you help us understand the complexion of gross margin versus SG&A outlook? And more specifically, do you still expect the capitalized cost headwinds to primarily hit in the first half or should continued inflation drag that out into the second half potentially?
Elizabeth
Yeah, I'll take the second part of that question first. You know, in terms of inflation, particularly product inflation, we do think it's going to be more of a first half versus a second half. So that's the way we've sort of modeled it here internally. You know, we haven't broken out the contributions of gross margin and SG&A specifically for the year in terms of the 140 to 180 basis point expansion. But we do believe that we'll get margin contributions from both gross margin and SG&A. You know, overall, we think gross margin will likely contribute more, but we're laser focused on both growing our gross margin while controlling our cost base.
spk15
Thank you. That's really helpful. Best of luck. Thanks. Thank you.
Operator
Our next question for today comes from Elizabeth Suzuki from Bank of America. Elizabeth, your line is now open. Please go ahead.
Elizabeth
Great, thank you. So regarding your distribution network and getting the right part to the customer at the right time, you talked about the Toronto DCs that were consolidated and that there's more opportunity. So what percentage of your distribution network do you think is due for an upgrade or consolidation slash replacement at this point?
Tom Greco
Hey, good morning, Liz. Let me give you a bit of context on how we're thinking about our longer-term strategy and pros. You know, we feel very well positioned to execute the next generation of our go to market strategy. Our vision is really to leverage the entirety of our enterprise assets to provide a superior customer experience within pro as we accelerate growth and profitability. I know all of you know that the DIFM business has a lower gross margin than the DIY business. We're uniquely positioned to be able to grow top-line sales from here and continue to improve our margins, even though you're growing the DIFM business faster. And that's because we've got plenty of assets to compete out there. In the past, they just weren't as connected as they are today. We used to have four disparate supply chains, four technology platforms. That's all behind us. So, to your direct question, you know, we're testing variations of this end state vision now. We talked about Toronto. We've got all the enterprise assortment located into a single building. We think this has application much more broadly across the entire enterprise. We've got to still prove that out, but we feel really good about what's happening in Toronto. And I think, you know, look for us to replicate that in markets across North America.
Elizabeth
All right, great. Thank you.
Operator
Thank you. Our next question comes from Brett Jordan of Jefferies. Brett, your line is now open. Please go ahead.
David
Hey, good morning, guys.
Tom Greco
Morning. Morning.
David
On the pro performance, I guess, sort of relatively underperforming versus peers, could you talk about sort of what you see as the major impact? I mean, is it an availability issue? Is it sort of slow traction on the private label program? And I guess, you know, are you seeing competition where IMC against Autopart and International World Pack? Is there other sort of fringe competitors that are changing the environment? But you could sort of Lay out how you see the Pro business maybe trailing a little bit and what the factors are. That'd be great.
Tom Greco
Sure, I mean, we talked a little bit about the actions we're taking, Brett, on the call, and we expect Pro to accelerate through the year. Really three elements to the plan.
David
I mean, we've done a lot of work to identify what's driving the underperformance.
Tom Greco
And there's really a couple of things. First of all, the availability opportunity that we talked about in the last call, we've made targeted inventory investments to improve that and you know that that spans both you know high velocity skews which we're plussing up in both our stores and our distribution centers and in some cases adding breadth and coverage to hubs and super hubs and in-market nodes so first of all inventory investments to improve availability is job one that's the biggest opportunity secondly we talked about surgical price investments to close the competitive price gap and we've made a lot of progress there we monitor that every week it's done really account by account and category by category. But the actions we're taking are enabling us to drive more top line sales and pro and still show margin expansion. And then third, we've got a pretty robust customer sales activation plan that the field is executing, obviously done by customer based on performance, competitive intensity, all the things you would expect. We leverage the quality of our parts. and all of the things that we bring to the table. So the good news is we are seeing improvement in our hard parts categories on a year-to-date basis, and we expect that to accelerate through the balance of the year.
David
Okay. So your internal data would say that CarQuest private label brands has fraction equal in pro to DIY?
spk15
Sorry, say again?
David
The private label program, you'd say its penetration in pro is equal to the DIY penetration. It's accepted as much for the DIFM customer?
Tom Greco
Yeah, absolutely. Absolutely. I would say it's more accepted in pro. You know, the brand is the name on the door. for our independents that are out there. It has a heritage that started in the professional installer community. The installers love the product. That's not the issue. We've just got to improve the availability and make sure we're competitively priced, and we will grow that business.
spk15
Great. Thank you.
Operator
Thank you. Our next question comes from Michael Lasser from UBS. Michael, the line is now open. Please go ahead.
Michael Lasser
Good morning. Thanks a lot for taking my question. So over the last few years, you've taken a number of steps to improve the margin profile of the business, integrating the supply chain, working on strategic pricing. You've gotten your private label penetration now above 50%. So what's going to drive margin growth from here? Is it just a function of generating sales growth and leveraging your fixed expenses?
spk15
Good morning, Michael.
Tom Greco
For sure, you know, we've got to accelerate our top line. I mean, the original plan that we laid out in 2021 contemplated higher growth, certainly, than we delivered last year. So, for sure, we need to accelerate our top line sales growth. That's an important part of the plan. And we still have a lot of opportunity to expand margins. I think uniquely, you know, given what I mentioned earlier, to the earlier question on pro. We can grow the pro business and grow margins while we're doing that through private label penetration, through continued actions on category management. We're raising our game on category management for sure, driving sales and profit per square foot in the stores, all the things that you would expect. So we do expect to continue to drive margin expansion through category management. We expect to drive it through continuous supply chain efficiencies. And then, as you said, you know, we want to drive our top line sales growth to leverage SG&A.
Michael Montani
Super. Thank you.
Operator
Our next question for today comes from Michael Montani of Evercore ISI. Michael, your line is now open. Please go ahead.
Michael Montani
Michael, your line is now open. Please go ahead. My apologies, we're not receiving any audio.
Operator
We will move on to the next question from Brian Nagel of Oppenheimer. Brian, your line is now open. Please go ahead.
Brian Nagel
Good morning. Tom, congratulations on your retirement. Thank you. So my first question is, Just with regard to inflation, so you and a number of others in your sector have talked about this expected trajectory where inflation, so to say, eases in the second half of 23. So as we think about that forthcoming dynamic, what are the likely impacts to advance, both from a sales and margin perspective? You're recognizing there's a lot of other pieces moving parts with your P&L, but what If we isolate that inflation dynamic, how should we think about the impacts there?
Elizabeth
Yeah, I think first the important part is the cadence. You know, the way we're thinking about it, really break it into a first half, second half. You know, we think inflation is going to continue to be elevated as we're seeing today, you know, in the first half, and then that's going to come down over time. You saw Q4 sequentially improved, you know, slightly for us, at least on product cost inflation. And as that comes down, you know, given that we're now on LIFO, you incur those costs. uh you know as as we um as the inflation hits so you know if inflation is steady what we saw in q4 that's going to be more impactful to our gross margin as those costs continue to abate you get that relief over the course of the year so i think you know guidance or i'm sorry cadence is the uh the biggest component to that, and I think the biggest driver really is the product cost inflation. You know, we've got inflationary estimates on the rest of the P&L, but wage inflation, for example, we think would be fairly static. You don't see that kind of variation that you'll see in product cost inflation.
Brian Nagel
Perfect. This is a follow-up to that. So is it still the base case assumption that even as input costs moderate the pricing at your stores as the prices consumer will largely stay the same?
Elizabeth
Yeah, we obviously look at that very closely. We want to make sure we stay competitive. You know, we have assumptions around how much price we can maintain when costs come down. There's, you know, obviously elasticity depending on the category that you're seeing those costs, you know, deflate or inflate for that matter. So, you know, we look at that on a category-by-category basis, and, you know, we're going to make sure we stay competitive as we see, you know, hopefully the cost structure start to improve.
Brian Nagel
I appreciate the call. Thank you.
Operator
Thank you. Our next question comes from David Bellinger from MKM Partners. David, your line is now open. Please go ahead.
David Bellinger
Hey, thanks for the question, and Tom, congrats on the announcement. Could you just help us contextualize the top-line acceleration, Q3 to Q4? How much of that is internal versus external? Are we seeing the payback from these inventory investments already? And I don't think you called out the shift to private label parts as a comp sales headwind. Was that still a sizable impact in the Q4 period?
Tom Greco
Hey, good morning, David. Yeah, 1st of all, the acceleration in Q4 was largely DIY. We're really happy with our DIY business in the 4th quarter. As you know, it's a very profitable part of our business. We paid a lot of attention to it. We had a strong quarter on diehard. We continue to build that brand. Our Speedworks platform is really starting to generate some returns for us. We've added members, we're graduating members. So our ability to drive DIY, and by the way, through e-commerce, our e-commerce business is now back in double digit land again, which is really important for us over the long term. So we think we can continue to grow that DIY business as we get into 2023. And obviously that helps us on the margin front. We didn't get a lot of benefit on the pro side in the fourth quarter from the investments. We're going to do that in a very disciplined fashion. You know, we've got a very robust plan to drive growth in pro, and we want to do it the right way. And it's done, you know, as I say, very targeted inventory investments, very surgical price investments. And we're confident that that will drive growth in pro as the year unfolds. But we didn't see a lot of benefit from that in the fourth quarter.
Elizabeth
Just on the own brand mix in particular on the top line, that was a headwind. But consistent with the third quarter, it was a benefit to our gross margin rate. So relatively consistent with what we saw in the third quarter.
Tom Greco
Yeah, it's kind of in our base now, David. We're not calling it out as a specific headwind. It's in our base now. So we're going to continue to grow up from here.
David
But the impact is less.
David Bellinger
Got it. Okay. And then the follow-up on the share of purchases being paused, I think that's around 7% of your market cap based on what you did in this year. So what would you need to see to buy back stock again? Are there any specific metrics you need to hit? And is there a certain point in the year where you could go and step back into the market and beginning repurchases again?
Elizabeth
Yeah, for sure. First of all, I think it's important to point out that we think the share repurchase to be temporary. We're going to be executing insert capital allocation priorities, you know, investing in the business, both CapEx and working capital that we talked about. And, you know, we're still real excited about the fact that we're paying a very strong dividend. You know, having said that, what we'll be monitoring is our free cash flow. You know, we don't have any plans to take out debt to repurchase shares. And so we're going to be, you know, laser focused on improving that free cash flow as we navigate through the year. But we're going to prioritize making sure we have the very best availability. And so as we work through that, if that improves top line higher than expectations and it improves the free cash flow, we'll be back in the market. It's just a matter of making sure we have the free cash flow to support it.
David Bellinger
Great. Thank you both.
Operator
Thank you. Our next question comes from Zach Fadum from Wells Fargo. Zach, your line is now open. Please go ahead.
Tom
Hi, good morning and thank you. Uh, so Tom, could you talk us through your take on the industry growth rate in 2023, how that breaks down between DIY versus pro and then how you bridge the gap, both for your DIY and do it for me expectations relative to the industry growth rate. Sure.
Tom Greco
Well, first of all, we expect kind of 4-ish for the industry on a full-year basis. That's kind of our current projection. We expect Pro to outperform DIY. Now, that's an interesting dynamic this year. Obviously, you've got a lot of factors that plays act with some macroeconomic uncertainty and pressure on the low to middle income consumer, which tends to shift business to DIY. So, as we sit here today with 10 months to go, those are the numbers that we see. You know, we believe we can continue to drive growth in DIY and in particular benefiting from some of the digital investments we've been making over time to grow share in DIY. And as we said a couple of times here, the pro business to ramp up through the year and get to the industry growth rate or above as we get to the back half.
Tom
Got it. And when you think about your historical non-GAAP margin goal of $10.50 to $12.50, Can you walk through what that would equate to on a GAAP basis? And then for 2023, could you talk about your expectations for the LIFO benefit and also the transformation cost that you're embedding in the outlook today?
Elizabeth
Yeah, sure. I mean, it's a little bit of apples and oranges, as you know. But as Tom mentioned earlier, you know, the initiatives really don't change. And they don't change our ability to expand margins here in the short term and even the longer term, whether we're on a gap or non-gap. You know, thinking about the sort of reconciliation, if you will, really there's three primary components. You've got your power transformation costs, restructuring costs. We have the amortization associated with GPI and then LIFO. First two are a little bit easier. The transformation and restructuring as we move into 2023, we think that's going to be roughly the same in terms of what we saw in 2022 from a cost standpoint. Amortization is rough, you know, it's straight line, so you should expect that to be the same, and that'll exhaust in 2025. The difficult one that you pointed out is LIFO. and you know if we take a step back you know last year we started lifo and we we thought it could be roughly in line with 2021 which is 120 million dollars roughly and we were nearly 3x that so you know we're not giving any guide around lifo um what we did say is we expect uh product cost inflation which is you know big driver there's other components but We expect that to moderate throughout the year. So what I can tell you is we don't expect LIFO to be another $300 billion headwind, but we're not going to provide any guidance beyond that.
Tom
Maybe similar in Q1. I'd like to add that.
Tom Greco
Hey, Zach, I want to add this.
Tom
Go ahead, Zach. You asked your question? Oh, I just wanted to clarify, would Q1 be similar to Q4? And then, sorry, go ahead. Sorry to interrupt.
Elizabeth
Yeah, again, we're not going to break out the LIFO on a quarterly basis. It'll be dependent on what those supply chain and product costs come in at.
Tom Greco
Got it. Yeah, Zach, I wanted to add that you'll see on our website, we've broken out, and we've had so many questions over the years on this GAAP to non-GAAP comparison. We've broken out the last five years. You can clearly see the relative performance GAAP versus non-GAAP. If you look at our adjusted EPS growth over the last five years, it's basically 2.4 times. It's more than doubled what it was in 2017. It's got about a 19% CAGR increase. And this year, at the midpoint of our 2023 guide on a gap basis, you see a similar number. So it's all there. We want to make sure that it's clear to everyone. And back to the transformation costs, we're excited about the fact that they're coming down over the next couple of years, and that will enable us to expand margins through that alone.
Tom
Got it. Appreciate the time, guys. Thank you.
Operator
Thank you. As a reminder, if you'd like to ask a question, that's star one on your telephone keypad. Please limit yourselves to one question and one follow-up question only. Thank you. Our next question for today comes from Scott Ciccarelli from Truest. Scott, your line is now open. Your line is now open. Please go ahead.
Scott Ciccarelli
Good morning, guys. Scott Ciccarelli. So how should we be thinking about the pricing investments that you guys mentioned last quarter relative to what's called the price optimization efforts you implemented over the last few years? Like how are we supposed to kind of reconcile, if you will, kind of the price investment versus, you know, let's call it raising prices over the last couple of years, which I think has been a pretty big gross margin driver.
Elizabeth
Yeah, so a couple of things there, you know, we talked about the unprofitable discounts. We've worked through the vast majority of that. You know, that's going to be an ongoing process. It's really something that doesn't go away. It did not have a significant impact in the fourth quarter. In fact, we saw a very slight benefit, meaning that we didn't lose those customers and we were still getting the sales and an improved margin because we weren't giving it away through an unprofitable discount. More broadly, in terms of the competitive set, Tom mentioned this earlier, but we're going to be very surgical in the pricing investments that we make to close the competitive gap. And we use the word surgical for a reason. We look at CPI last summer. And as we were into the fourth quarter, we're back to where we want to be. And we're testing in different markets. We're monitoring this on a daily and a weekly basis. And we're clearly seeing results. So we're going to make sure we're competitive. We're not going to lose on price. And we're going to improve our availability. And we think that sets us up for a very strong year.
Scott Ciccarelli
That's helpful. And then, Jeff, any more color on the first quarter outlook, given your comments and your prepared remarks about 1Q being more challenging?
Elizabeth
I mean, not a whole lot. I mean, it really is the three drivers that we called out. It's the inflation. It's the availability. We do have some transformation-related costs that we anticipate will be in Q1. We'll be able to talk about that a little bit more the next time we meet in whatever is April or May. And those are really the three drivers. I mean, you know, obviously the product cost when they come in, we're going to incur them under LIFO. And the availability, as we talked about, it takes some time to, you know, get that into our network and get it forward deployed. It's one thing to get into your distribution center, but we need to get it throughout the network to make sure we're available all the time for our customers.
spk15
Got it. Okay. Thanks, guys.
Operator
Thank you. Our next question comes from Steven Zekone from Citigroup. Steven, your line is now open. Please go ahead.
Steven Zekone
Great. Thanks for taking my questions. Tom, best wishes in the next step. Just to clarify on the first quarter, just to follow up on that last question, would you expect first quarter comps to be at the low end of the full year range or would they actually be slightly below that full year guidance range?
Elizabeth
Yeah, we're not going to break out the comps. We feel really good about the one to three over the course of the year. It's really difficult at this point. I mean, January, December, these timeframes are incredibly volatile. And to try to put some sort of you know, analysis around the first four or six weeks and say that's going to make our quarter, which, by the way, is our longest quarter. You know, it's our 16-week quarter. Spring selling season, sometimes it's Q1, sometimes it's Q2. You know, we're at least here in Raleigh, we're off to an early spring, but it just is premature to really say whether or not we think comps will be on the low or high end of that range.
Steven Zekone
Okay, fair enough. Thank you. Then second question I had was, could you talk a bit more about the outlook for SG&A leverage in 2023? You know, what's the puts and takes? Wages are a pressure point across retail, so curious for your input there. And then as we shift to GAAP, how should we think about the ability to drive leverage on SG&A? What level of comp growth do you really need on a go-forward basis?
Elizabeth
Yeah, I mean, you know, when it comes to SG&A, you know, you have those transformation and amortization costs that are going to manifest themselves there. They're going to be relatively flat. So, you know, we don't expect any significant volatility with those in particular. In terms of, you know, some of the puts and takes, you certainly called out the biggest factor, which is the wage inflation. We're cognizant of that. You know, we've modeled wage inflation yet again for 2023. You know, we do think we have some opportunities in terms of overall cost takeout, leveraging some of our – sorry, I'm blanking on the term – our – yeah, the MyDelivery and the – Yeah, thank you. the online, or I'm sorry, the automated payroll and getting the hours into, really getting the hours associated with the revenue. And so we've been working through that for a number of years. We've got some significant opportunities there. So we do feel good that we can get some improvement in our, what we call sales and profit per store. Another big one that we called out were the startup costs that we had with our our California expansion, and those were sizable in 2022. Good news is we're beginning to get those stores open. We've got nearly 90 stores open. We've got, you know, a little less than 20 to go, so there's still going to be some startup costs there, but it won't be nearly as sizable as what we saw in 2022. So, you know, a combination of all those gives us a, you know, reasonable level of confidence that we're going to leverage SG&A in 2023.
Steven Zekone
Great, thank you.
Operator
Thank you. Our next question comes from Seth Sigmund of Barclays. Seth, your line is now open. Please go ahead.
Seth Sigmund of Barclays
Great, thanks for taking the question, and nice to talk to everybody. Tom, congrats to you. Some of these are follow-ups, but I just wanted to clarify, when we think about that 8% operating margin for 23, I guess on an apples-to-apples basis, How does that compare to what your prior expectations were for 23 and maybe what some of those big, you know, differences could be?
Elizabeth
Yeah, I mean, again, you know, the big drivers between GAAP and non-GAAP are the things that we talked about, the transformation, the LIFO obviously being the biggest one. You know, we had 300 million, over $300 million of LIFO. So, you know, those you have to factor back in, but the initiatives that we have in place don't change. So, you know, our ability to drive margins through own brand expansion doesn't change our, our ability to take costs out through our, my day through the, my delivery don't change. So, you know, those, we really don't see it any different. You know, we really think the timing to go from non-GAAP to GAAP is appropriate, given that we're seeing the, you know, the non-GAAP items beginning to moderate and eventually go away. So for all those reasons, you know, that's why we wanted to make the change. And there are no change in the underlying assumptions in terms of our margin growth outside of going from non-GAAP to GAAP.
Seth Sigmund of Barclays
Gotcha. Okay. That's helpful. And then just two quick follow-ups on the different channels. On the DIY business, did you actually say whether the momentum that you saw in the fourth quarter had continued into Q1? And then just quickly on the pro business, I'm just curious as you sort of step back and look at the underperformance of that business, how broad-based is that underperformance? Or maybe you could speak to like different customer types, different you know, sizes, regions, et cetera. I'm just trying to understand, you know, where the gap may be within that. Thank you.
Tom Greco
Sure. Well, first of all, in DIY, we do believe we can sustain the momentum that we have on DIY in 2023. Once again, based on all the things I talked about, Seth, you know, diehards, speed perks, et cetera, and again, the e-commerce business. You know, we believe that our digital business can grow nicely this year. We've sort of dealt with the discounts we used to have and effectively got that business in a very good spot from a profitability standpoint, so now we're building that business the right way. On the professional side, we're very clear on where our opportunities are. We did make some decisions, as we said last year, to reduce unprofitable discounts. In some cases, that was a large account. In some cases, that were smaller accounts. But as we start to laugh those decisions, we'll see some accelerated growth and grow. And once again, we want to do it the right way. We want to do it in a way that is sustainable over the long term, which is through inventory availability and making sure we've got the right part in the right place. So that's kind of the tail of the tape there.
Seth
Thank you.
Operator
Our next question for today comes from Seth Basham of Wedbush. Seth, your line is now open. Please go ahead.
Seth Basham
Thanks a lot. Good morning and best wishes, Tom. My question is a follow-up just to make sure I understand the guidance on a gap basis in terms of margin improvement in 2023. It seems like there's a small piece from lower startup costs in the Cali stores, but the biggest piece of that step up is going to be from LIFO. Is that the right way to think about it?
Elizabeth
Yep, that is. That's the right way to think about it. You know, we think we've gotten through the majority of the, you know, inflationary costs on a LIFO basis. There's still going to be some. And that's why we want to be real clear about the cadence in terms of, you know, what we're expecting, you know, Q1 for sure being the most challenging for the reasons that we pointed out. But yeah, we definitely think we're going to see improvement in gross margin It'll be largely led by LIFO. We have our other initiatives that are also going to help us contribute, whether it's the own brand expansion, the availability. We think we have opportunities there as well, but you are thinking about it correctly.
Seth Basham
All right, great. Thank you. And then another question on the guidance in terms of your store growth. X to 20 additional California stores you still have to open. You're looking at doing only 40 to 60 net new stores, which is pretty low relative to your store base. I know that a year or two ago, you guys had a stated goal of trying to accelerate store growth. Can you just tell us how you're thinking about growth in the future from a store-based standpoint?
Tom Greco
Sure. Well, this year, we want to make sure that we really dial the completion of the California openings. You know, we talked a lot about the delays we experienced last year. Now that we're open, we're getting a market share out there. We've got some really strong team members that came to us from Pep Boys that have a lot of content knowledge and geographic knowledge, product knowledge for that market. So we want to really drive growth and market share gains out in California and obviously, you know, continue to grow the new stores that we have planned for the year. What I would tell you is that we're doing our strategic plan, and I alluded to this earlier, Seth, You know, we're taking a very close look at our, the entirety of our asset base to drive our pro business and leveraging everything that we have. You know, we've got over 300 buildings at WorldPAC and AutoPart International, over 300 hubs and super hubs. So we believe there's a way to further optimize our asset base in pro, and that has an impact on how we think about new store openings in the future. So as we construct our plan, For 24 through 26, we'll obviously be considering how that unfolds in the future, but for this year, we guided the way we guided.
Operator
Understood. Thank you. Thank you. That was the last question for today, so I'll hand back to CEO Tom Greco for any further remarks.
Tom Greco
Well, thanks for joining us today. Our 23 guidance reflects growth in comp and net sales as well as gap margin expansion. We're pleased to have the bulk of the integration behind us so we can focus on execution and update our strategy. Our goal is to win in the future and continue to drive strong earnings for share growth and shareholder value. Thank you.
Operator
Thank you for joining today's call. You may now disconnect your lines.
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