Cadence Design Systems, Inc. (CDNS) Earnings Call Transcript & Summary
May 18, 2023
Earnings Call Speaker Segments
Yu Shi
analystHi everyone. Good afternoon. Thank you for joining us at the 2023 Needham Technology and Media Conference. My name is Charles Shi. I'm the covering analyst of EDA industry at Needham. It is my pleasure to host this fireside chat with the Cadence Design Systems. Joining me today from the company are Mr. John Wall, our Chief Financial Officer; and Mr. Richard Gu, Vice President of Investor Relations. On behalf of Needham, I want to thank John and Richard for joining us today. For those who are listening live on this webcast, you can type in your questions in the Q&A box or you can just send me an e-mail at cshi@needhamco.com. I'll try my best and work your questions into the flow of this fireside chat. Before we begin today, the company has asked me to make you aware of their safe harbor statement. The discussion today will contain forward-looking statements and they will make use of certain non-GAAP financial measures. Please refer to Cadence's most recent 10-K, 10-Q and website for a discussion of risk factors and the use of non-GAAP financial measures.
Yu Shi
analystOkay, without further ado, let's get started. John, Cadence reported a good quarter a few weeks ago, right? But the immediately market reaction was not quite positive, right? I remember you did recover on the following days. So from time to time, I think you are familiar with this, right? We are in counter situations like this. I mean the immediate reaction was not so great, but gradually, people realize, okay, maybe it's not so bad. So before we really start our chat today. What are you saying the market missed or maybe have ramped too much into your Q1 results? I just want to give this opportunity for you to clarify a few things.
John Wall
executiveThanks, Charles. The -- yes, honestly, I can never predict what the market is going to do even when I know what the result is that we're going to announce I couldn't tell you what the market is the next day. The -- but essentially, what we announced in Q1 was a [ beast ] in the quarter and then we raised the year. I think that got lost in the backlog number because our bookings were light in Q1. Now the bookings were light in Q1 because we didn't have any -- we don't have any expiring contracts in the first half of the year. We are -- generally, we have 55% to 60% of our revenue coming from the top 40 accounts. But you only have to get to like 150, 200 accounts before you can have a Pareto 80% of our revenue coming from that group of accounts. And we have individual strategies on the top 500 accounts. But -- so we have concentration, but we try to make concentration work for us. But within that, most of our customers do 3-year baseline contracts, and then they will come back throughout that 3 years and they'll purchase add-ons maybe anywhere from 4 to 7x during the 3 years. But we just don't have a lot of contracts that a lot of baseline contracts that expire in the first half of the year. So our backlog declined in Q1. I think there was a reaction to that. In the recurring revenue model, we're less focused on the size of total backlog. We're focused on growing the annuity or the annual value of that backlog. And I think there might have been a new jerk reaction to that, mainly among the folks that are more short-term focused because Cadence is -- it's a compounder really. We always say we're farmers, not hunters. I mean, over a long time horizon, you'll see the benefit of Cadence. But we're quite resilient because most of our customers they -- our revenue comes from their spend in R&D. So we're quite resilient through all of the economic cycles. But it's really a compounder in nature. So you have to look over the long term. That's it. So hopefully, some people saw the opportunity because it looks like the stock price is probably little bit tense. So hopefully, people saw the opportunity to get in.
Yu Shi
analystThank you, John. So I think let's talk about some of the recent trends that came up a little bit -- a bit frequently in my conversation with the investors. So Q1 was very strong, a very strong hardware quarter, as you said, on the earnings call. And for those who are not familiar with Cadence or EDA in general, I mean, Cadence is a software company, but they do provide hardware products basically in EDA hardware means emulation, prototyping hardware that kind of allows chip designers to verify chip designs. And more importantly, I mean, enable customers to really write software code before the actual silicon is produced. Well, that's a little bit of a background for those who are not familiar with the hardware we're talking about. So how should we think about what has been driving the hardware growth in recent years for Cadence. But at the same time, why is it such a -- I mean, it's a lumpy business as you characterize, right, for Cadence. And -- from your point of view, as a CFO, how do you think about managing that lumpiness as -- I mean lumpiness is something like Wall Street apparently really hates.
John Wall
executiveFair enough. But when you say lumpiness, I mean, you mean that that's a part of our business where we get revenue all at once when we delivered. So it's like upfront revenue that -- I mean the vast majority of our revenue is recurring in nature. I think 85% of our revenue is recurring. So you pretty much got the same amount or very similar amounts every week from a revenue perspective on the recurring side within there's 15% of our revenue where like if you ship a hardware system, once you've installed the hardware system, you get a lot of revenue. The demand for our hardware has been just through the roof for probably 6 to 8 quarters now. But we couldn't keep up with production. Now we finally expanded its production to a level that I think will allow us to catch up with the demand. So from the beginning of Q1, we ramped up production and deliberately did that to address a long backlog of hardware orders. Hardware order lead times have more than doubled over the course of last year. And then we wanted to address that we have customers waiting a long time. They're waiting like 6 to 7 months for our hardware systems to be delivered, which is not -- I mean, that's not ideal. That's certainly not ideal when you're trying to sell me -- if I'll sell you something, but you can't have it for 7 months. So we thought when we had to ramp up production. Now the key thing is, when we ramp up production, we will produce the same amount of hardware, substantially the same amount of hardware this quarter as we did last quarter. So we ramped up production. We intend to keep it at those levels. The -- but there's probably 4 main constituents for that hardware that we -- that comes off the production line. That the biggest one are that queue of customers that have purchased the systems outright and they're waiting for delivery and installation. Internally, we have cloud infrastructure, hardware cloud infrastructure that we provide for customers, and we have to put those hardware systems into that cloud infrastructure to provide that. Now that's typically -- I mean, some of this -- some of the -- our emulation hardware is priced like a Ferrari. But -- so there's a lot of customers that can't afford or might not have the requirement to own a product that they might want it for the weekend or a month something like that. So the -- we direct them to our cloud infrastructure, but that's been maxed out for a long time. So we already put some systems into that. But we have -- I mean, our own internal teams use our hardware for their own verification with their testing things. But also then we do put demonstration models out to customers to demonstrate machine, particularly in new accounts, where we're proliferating the hardware into new accounts. And with those customers might use them for 1 or 2 quarters, and then we'll convert those into a sale when they see the value of those hardware systems. Now in Q1, because the length of the Q was so big, we prioritize customers first. I remember, we had that discussion internally and they say, "Oh, do you want us to spread out the deliveries to customers across the quarter so that you don't have so much lumpiness in Q1 versus Q2. We said, "No, no. We always put the customer first. And I always tell our team that keep the -- put the customer first, we'll explain everything. So in Q1, pretty much every system went to customers that were on that backlog. So we had a lot of upfront revenue in Q1. In Q2, we'll produce the same number of machines -- excuse me, but more of those systems now in Q2 will go into new accounts where we believe we will sell hardware in the second half of the year, but we have to provide demo machines now to get them -- to show them the value of those hardware machines. In the past, we would used a combination of demo machines for bigger opportunities on site and the cloud infrastructure. In some cases, we demonstrated using the hardware in the cloud and then you cannot own the system if you purchase it. But we've been so maxed out on the cloud, and we haven't had enough systems to use for demo machines. Some of the -- some of the production in Q2 is going to that with some of the production going to that, naturally, we'll have less hardware revenue in Q2, which, of course, will be described as lumpiness in terms of hardware. But demand is really strong. And the reason it's strong is, I mean, clearly, you see the growth and complexity of design and you talking about that our customers are -- I mean, the most advanced ones are able to fit 100 billion transistors 1 inch by 1 inch into chip. And then that's inevitably, we believe, going to 1 trillion. So 900 billion additional transistors over time, that's complex for anyone. But for simulation, the simulation challenge or the emulation challenge with something like that is due to the power of 900. It's more complex for that group than anyone else. So I think there's a secular demand for those systems. And it's also -- I think we've been quite disruptive in -- there was -- like there's typically a chronological order to -- our customers use our tools for chip design, verification, packaging board and system analysis. But in that chip design and verification, even in simulation, you might -- simulation is so complex, that our customers will use [indiscernible] tools. So they will use Jasper for formal simulation [indiscernible] software tools to try and narrow down the areas they want to look at. But on the emulation side, the real value that I'm told that our customers get from that is the production cycles for our customers have shortened so much. I mean, the China release new products every year. And to do that, when you produce a chip design, you need to have an emulation system so that the software people can develop the software apps that will go on that chip. Now you can use a prototyping system for that because the chip would be hard -- in that case, the chip would be hard. But in an emulation system, you have the advantage of squeaking the chip because the chip isn't fully hardened. And in some of our customers, the software folks they will ask the chip designers to tweak their design to optimize the software. And it allows the teams at our customers to collaborate more than they were ever able to before. So those systems will become very, very popular. But what it does, like you say, it results in some lumpy revenue from time to time based on where the hardware that comes off the production line is dedicated. And like I said, in Q1, we had such a long lead. I would expect to get back to more normal lead times by the middle of the year, which I think is important because it sets us up for a stronger second half if we have demo machines in place and we have that capacity in the cloud infrastructure to show how good these systems are to drive more sales in the second half.
Yu Shi
analystGot it. Got it. So I think it sounds like it's fair to say you are maintaining a same supply level in Q2, and it's just some of the revenue opportunity for part of the shipment going out in Q2. It's a little bit deferred in the future quarters. So it shows up as if the soft -- hardware revenue is coming down a bit in Q2, but it's actually just a little bit of deferred in terms of when the revenue is going to show up. So maybe, John, a follow-up question here. As some investors are kind of wondering if is China part of the reason for the hardware strength in recent quarters. And if yes, do you worry some of the China strength may be a result of stockpiling for the fear of potential U.S. -- further U.S. export controls?
John Wall
executiveSo hardware, we do sell a lot of hardware into the China region. I mean our hardware is popular all across the globe. But the ratio of hardware to software revenue for Cadence is higher in China than it is in other regions. So normally, when you do have a -- I mean, it is not always the case, but when you do have a strong hardware quarter, you probably have a strong China quarter. But it's not always the case because I mean you're -- I mean it just depends on where the hardware is getting delivered in any one quarter. So that's why we tell people not to focus too intensely on any single quarter. I mean internally, we always look at a 3-year time horizon because that's our typical baseline contract with these customers. And we're always trying to grow the annual value that we're extracting. But the timing of a shipment -- I mean, just the timing of hardware installation if you're going out to deliver a hardware system in December around the holiday time and you might find off, there's no one around the customer to sign off on it until January. But that could be the difference between hardware revenue in 1 year versus the next. It doesn't really make a huge amount of difference to us because we take a longer-term view on everything that -- but essentially, yes. I think in China that they love our hardware as much as anyone else. I don't think there's any pull forward going on there. I think just the timing of deliveries. It's us, if anything, the concentration in Q1 was us wrapping up production capacity so that we could catch up. And there just was a heavy proportion of China customers in the queue. I think, again, a strong hardware quarter will typically have a strong quarter for China. But like if I look at China over the last -- I think through the last 3 years, 15% of our revenue came from China. In Q1, 17% of our revenue came from China. I'd be more -- I would expect this closure to 15% for the year, given that 2 of the last 3 years were 15%. Maybe it's a little bit higher with all that extra hardware, maybe the -- maybe China grows this year, slightly better than average in which case it might tick up a little bit higher than 15%. But our customers -- the hardware is popular right across the globe.
Yu Shi
analystGot it. Got it. Thank you for that. John, so the other metrics, I think investors look at when they look at Cadence, your backlog as well as the implied bookings number, right? I think you sort of touched upon this a bit. Your backlog is down by a smidge this quarter -- I mean, this past quarter to $5.4 billion from $5.8 billion a quarter ago. And it is still nicely up from less say, 3 years ago when you kind of reported $3.7 billion for March 2020, right? So March 2020, I mean we -- every time you mentioned March 2020, everybody started to real think about, okay, that's COVID and is that a little bit of random when I pick this comparison. But I think because you often talk about the business on this 3-year -- on a 3-year basis. I'm asking this accordingly. So now my question really is this, is the backlog reduction in March 2023 quarter, is it temporary or is it just one of those lumpy metrics like the hardware sales that's kind of inherent in the EDA business? And so how do we think about when every time you reported quarter, then people look at the backlog, Oh my god, backlog is down or booking number is down, but how should people think about that?
John Wall
executiveThat's a good question, Charles. Again, I wouldn't focus too much on the total backlog for us, it's -- the backlog doesn't matter so much is the annual value of that backlog to us. In terms of Q1, I think you've been kind calling it smidge, I thought it was significant, it dropped by $400 million. The -- but a big portion of that $400 million is us delivering the hardware systems catching up with some hardware systems that ran backlog that -- but the main driver, the majority of it is because of -- we didn't have a lot of contracts expiring in Q1 or Q2. But when we're more back-end loaded or second half loaded for contract expirations this year. And when those -- like if you have large contracts that expire in Q3, well, at the end of last year, so there's 9 months in backlog for those. At the end of Q1, there are 6 months and 1/3 of that has declined. At the end of Q2, you only have 3 months in backlog. But of course, by the end of Q3, you would have renewed this. And when you renew it, of course, they'll renew for typically for 3 years and it's 12 quarters and it is a big jump. So first half, I would expect us to burn a little backlog. Most of it happened in Q1. But by the time we get to the second half, we have a lot of expiring contracts that come up for renewal, and we'll expect that to recover going forward from the end of Q2. The -- what really is just the timing of when -- like I say, it's just the timing of when contracts naturally expired, that's causing the overall total backlog to decline with the annual value of the backlog is continuing to increase. Like when I look at our recurring revenue, that -- every time we do renewals, typically, customers will -- we have 99.9 something in terms of renewal rates with customers. But the only customers that don't renew either have expired or they've been acquired that -- so practical everybody renews and it is by far the exception if someone renews for a lower annual value than we had previously because I mean over 3 -- I mean, every year, you'd expect growth. When someone's renewing a 3-year baseline contract, or typically, they'll have add-ons throughout the contract. But it's exceptionally rare for anyone who want to renew for -- or to have less of a requirement. That's the one that's on their way towards expiration probably. But practically everybody renews and practically everybody renews for a higher price than previously. So again, when you look at total backlog, that's the function of time. Total backlog is the annual value of your backlog multiplied by how much time you sign customers up for it. But -- and for us, the annual value metric is most important.
Richard Gu
executiveCharles. Also just add a quick point. I think as we highlighted on the earnings call, right, the underlying underpinning tailwinds for the design activities remain very robust for us now. So -- and that hasn't changed.
John Wall
executiveThat's very true.
Yu Shi
analystThank you very much. So maybe let me expand a little bit on this back-half loaded contract renewals, and you also touched about that it's very rare for customers who want to sign a smaller contract when they renew, when they do renewal. And they also mentioned about your retention rate, right, is very high, right? I mean it's -- it's not 100%. It's very high in the 90s. So now, I think one of the questions we've got is, given where the macro environment is and given where the semiconductor cycle is, given where the all the tech companies, so a lot of the system companies you are servicing today, they're putting more cost discipline to that. Could you possibly see a relatively -- I mean, smaller growth in terms of the contract value when they do renew in the second half of the year. So I think this is the question that people got a little bit, let's say, skeptical about so-called second half recovery. I think a lot of companies have been talking about that and investors probably just naturally a little bit skeptical about that. Can you address that?
John Wall
executiveSure. So just so I understand the question, are you saying it clearly the environment this year is a bit more subdued than it has been in more recent years, and it's not a good time to be doing renewals. And I think it's what I hear you say.
Yu Shi
analystYes. The question is, is it not a good time to sign bigger contracts when they do need to renew, yes.
John Wall
executiveOkay. So look, it's a great point because I want to tie that back into the previous question that you had because the reason you may ask me like what -- why do we have so few renewals in the first half of this year? Or why do we have so few contracts expiring in Q1 and Q2 of 2023? And I do think it's not a coincidence instead of 3 years from Q1 and Q2 2020 when the pandemic broke out. But back in -- for those that have been followed us for a long time, we always have our management team off sites. And I mean, in the past, that I would be challenged to come up with something for the team as a scenario, and let's get the team working together on different team-building exercise or projects and stuff like that. In August of 2019, the yield curve been inverted. So I went to the management offsite and I told them this, okay, yield curve is inverted. If I go back over the last 50 years, it suggests that when the yield curve inverts, there could be a recession in April 2020, pure fluke, right, pure fluke. But I asked them for the exercise. I thought it was an interesting exercise for us to do, I told them that, okay, it probably might not predict a recession. We certainly won't predicting COVID, but I asked them that if we knew that a recession was coming in April 2020, what would you do differently? And I wanted them all to think about the business and Cadence and what they would do differently. And there was a bunch of discussions about that topic about that contracts that are coming up for renewal in Q1 and Q2, maybe I wouldn't want to be negotiating a 3-year contract in the middle of a recession, that would -- people are going to be more tied about their dollars that any softness you're kind of extrapolating out for multiple years if you try to deal with them. So what they looked at were the more critical or higher-value renewals, they wanted to try and close them early. And we made a project go and said, okay, let's try to do that, but what we agreed amongst ourselves was, let's not give any value away for doing something early but if any customer wanted additional value or additional discount or something to renew their contract early, you would say, no, we don't want to do that. We just wanted to take some business off the table to set us up for the next few years. And then, of course, what happens -- so we had done that. And then when you get to Q1 and Q2, when you've already taken some of the business off the table, in Q1 and Q2 of 2020 when people are very nervous about signing up to 3-year deals, our sales guys are comped on the -- like we're focused on growing that annual value. And to ask a customer who signed up for 3 years when they're so uncertain, it's difficult. So many of the contracts that came up, even though typically people do baseline renewals for 3 years, Our sales guys said, okay, if you're not comfortable with the 3-year value, why not just extend it by a year, extend by 2 years on your existing deal, will come back and talk about this next year, focus on getting through the pandemic. But -- so the result of that is the knock-on effect is that by the time you come around to win, so like if we were doing 3-year renewals, then when they would come around to naturally be expiring, that's just not -- there's not a lot of contracts expiring. That's the phenomenon you're seeing in backlog. It doesn't hurt us. In fact, I think it helps us that we're not having to negotiate in more difficult environments. So we've probably got lucky twice, start looking in 2020 and getting lucky again in the first half of 2023. But I think what typically happens -- again, we're focused on the annual value. We want to continue to grow the annual value. And if there's kind of softness in the general market, we don't have to do a 3-year arrangement. But it can be 1 year or 2 years until the customer is comfortable -- more comfortable to sign up for better terms for us. The -- what I do find is when I look at the -- see the weighted average duration of bookings at Cadence, if I look over any 3-year time horizon, the weighted average duration is typically somewhere between 2.4 to 2.6 years. It typically averages about 2.5. And the reason for that is, most customers over a 3-year time horizon, most customers will do a 3-year baseline contract. Some will do shorter, some will do longer, but the majority are doing 3 years. And then because customers are purchasing add-ons throughout that 3-year contract, what we do with add-ons is that if you don't have access to enough tools or enough licenses or some technology you didn't purchase in your original baseline contract, you want to add it on, we'll do an additional or addendum to the contract for you. But if you're like a year into our 3-year baseline contract, the add-on will be for 2 years because they all co-terminate with the baseline contract. And as a result, because all the add-ons are naturally less than 3 years. As a result, we typically average about 2.5 years over a 12-quarter window. But in any one quarter, like a pandemic quarter, it's going to be less, but that's not a reflection of the entire business. I do think, over 3 years, typically things seem to even out.
Yu Shi
analystGot it. Thanks, John, for the great transparency here. I think we really appreciate the color like this. So certainly, it sounds like backlog and bookings. Well, you want to be flexible in terms of when to renew the contract, when -- what kind of contract to discuss with the customers, but you want to focus on the annual value that you already have and including add-ons and onto the -- so hopefully, when the time is -- becomes better, you can sign bigger contracts with our customers. So -- maybe I want to touch upon a little bit more on the IP side of the business. I know it's probably a smaller proportion of the Cadence business compared to your closest peer. We understand you don't want to chase revenue in IP, you want to grow profitably. I think the Cadence did set a goal of growing IP business at roughly low teens percent CAGR a few years back. But when I look at the IP growth numbers, the year-on-year numbers, it feels like you were growing at 10%-ish year-on-year '21, '22 But is '23 on track to grow above 10%. So that -- because I kind of think that you do need a little bit above -- well above 10% to really get to that low teen percent CAGR, if you will think about the 3-year horizon when we will calculate the CAGR.
John Wall
executiveIt's a fair question. Very interesting observation there, actually. I would -- again, I would encourage you to go over a longer time horizon. The answer to your question, the short answer to your question is yes, we'd expect to grow faster than that. But if I look -- like if I go back to 2018, 2018 our IP business, our IP revenue is about in and around $250 million. That is 2019, we grew that to $300 million. Now 2020, you'd expect, okay, $250 million, $300 million should be $350 million, right? But of course, it's a 53-week year. We have that funny thing going on. But I think that ended up closer to about $370 million. When things you kind of normalize, you get back to 2021, about $400 million. But 2022, I think it was about $440 million. I think as we get into the 10%, $400 million to about $440 million. And for 2023, I mean, if we've gone a safety $250 million to $300 million -- I don't know, $370 million to -- with the extra week and everything to $400 million, $400 million to $440 million, I want like $490 million to $500 million, right? I mean, you would expect something like that. But I mean, if you go through that $440 million in '22, again, so again, if you look over a 3-year time horizon against the $300 million in 2019, that's about 13% to 14% annual growth. That's a low teens. But -- and I think $440 million to get anywhere near $500 million for this year, again, is low teens. But -- so I think the business is delivering low teens. But the most important thing to us has been, we've asked them to try and deliver low teens, but with increasing profitability year after year. But -- and that's been our focus when we review contracts back around the 2017, 2018 timeframe, we grew really fast up to that point in IP, but sometimes we were signing up to revenue growth, what it was -- like it was just so expensive and it just wasn't worth, you were tying up like precious engineering resources on activities that we're not generating income. And I always tell people what do you care more about your [indiscernible] or your take-home pay. Because I think everyone will kind of raise an eyebrow and said, look, I could double your gross pay, but your take home pay will be less. You wouldn't want that. But -- so we tell people that, look, we want to run this something that people will tell you that I'm like a broken record at Cadence. Most meetings and say, okay, would you do this? If this was your family business? Is this the decision you make? Would you sign up to this contract? And we always think about this as when you're thinking of yourselves as a compounder, we have an amazing strategy that we're becoming more and more important to the society and our customers in terms of like where the glue that holds everything together, there's such a high dependency on Cadence, but it's important to think long term. And like I say, compounder nature, we think long term. So we try to think, well, what would you do with your family business. And we talk to investors that way. I mean we take our responsibility. I'm treated accordingly that it's really important to us that we feel we're managing investors' money but that we want to invest in with our highest return. And I view returns on an income basis. So that's why the focus has been like that. There is some business that's available every year within IP, where you can sign up for any revenue growth you want. If you don't care about how much it cost you to deliver it. But I don't want to do that because that's not sustainable at long term.
Yu Shi
analystGot it. Got it. So I think I want to move on a bit to discuss with you on the P&L lines. I think -- this is a question always a little bit worth checking in with you, John. I think you famously said no operating margin target. But you do have a flow-through target, right, 50%, meaning 50% of the incremental revenue falls directly to the operating profit line. A lot of investors kind of interpreted that as Cadence operating margin probably will converge to this 50% figure eventually, right? But I mean, mathematically, right, the path to that 50% maybe a little bit like a central curve, right? I know we always set a high bar for Cadence. But is there anything structural that can help you move that 50% flow-through target higher or maybe, I mean, asymptotically, Cadence operating margin can actually be tracking to somewhere above 50% over the long term. I know we set a high bar, but I want to hear your thoughts.
John Wall
executiveGreat question, Charles. And I don't often have people ask me a question on a same topic basis. But what you're seeing is like when I say like if you like that question, you would have had in school that John travel -- has to travel a mile. If he covers half the distance in 10 minutes, how long -- if he covers half the distance every 10 minutes, how long does it take for him to get to reach the mile. And of course, you never reach it because if you're only ever going half the distance, half the distance, you never actually get to your goal. I think that's what your point is, right? Okay. The -- well, okay. So one thing is, although we kind of set expectations with people that we're trying to achieve 50% incremental margin, the one thing we discover with Cadence is, it scales dramatically well, particularly if you focus on your core center of gravity, I mean, we always spoke that our core center of gravity is that we were destined to be the largest core EDA company, and that's because where our routes were in analog, and we felt analog to digital is like orchestrator outbound, and it was easier for orchestra players to play in rock band. So naturally, we felt this -- it would only be a matter of time before you get to 50-50 in digital. We would retain the majority of the market in analog. So if your destiny is the largest company in core EDA, we've built our strategy around that because then we look at what our customers use our tools for its chip design, chip verification and then they do packaging board. So we have a packaging and board business. But then they go into system analysis. So we're branching out into system analysis. So we're building that kind of unified platform, if you like. And the -- and we're targeting areas where we feel we have the right to win and where we can benefit synergistically because it's a close adjacency. And what we found is that Cadence is a remarkable business where it scales really well. The challenge in the past was how do you grow it? Well, I think we have a really great strategy and a path for growth. But I mean, you can see phones are becoming smartphones, cars are becoming smart cars, buildings becoming smart, building cities will become smart cities. It's just -- it's pervasive, and we're in the sweet spot for all of that. I mean, prior to phones becoming smartphones, there was like a social media kind of explosion that doesn't benefit us at all. But all these other things, benefit us, and I think it's really, really helpful for us. But -- so when you think of -- what I looked at them was, okay, at the time that I stepped into the CFO role, Cadence had got up into the mid-20s for operating margin. And our incremental margin was only I think 11% at the time. And I thought we're investing in the wrong areas. We're not investing in the areas where you have the greatest opportunity for growth. So I thought -- and the challenge at the time was, revenue growth was decelerating. I think we went through a series of years where revenue growth went from like 12% to 11% to 10% and it's like heading down towards 7% or 8% that and I felt we had to turn that around. And one of the issues was investing in the wrong areas meant that -- look, while we were improving operating margin in the 2012 to 2016 period, we were improving by not investing in certain areas that was impacting the pace of new product introduction. And of course, that was having the knock-on impact of reducing revenue growth. So what was really important was to look at Cadence on a Rule of 40 basis, add your operating margin to your revenue growth and see if you could turn it around by allocating your investment more intelligent in the year. But -- so when we did that, that we found that we were able to turn around the pace of new product introduction. But we also found this, I set a goal of 50% plus incremental margin. I wanted every dollar of revenue growth to drop to at least $0.50 to the operating income line, but -- this is for non-GAAP, but $0.42 for the gap because we spent about 8% of revenue on share-based comp. So we've been strict about that as well trying to hold that. But on [indiscernible] debt basis, we're trying to up $0.50 of every dollar. Over the course of, I think, what is it, from '20 -- I mean over that last 6, 7 years, I think we have ranged 53% to 56% in any 1 year, something like that. But actually -- no, sorry, 53% to 56% over a rolling 3-year period. in incremental margin, 52% to 58% in any single year. So we've beaten that 50% in every one of the last 6 years. Now that's 6 years, very, very different years. That's 2 contract cycles, have a pandemic in the middle of it. But I mean there's -- if you're traveling at that pace for 6 years in a row, I see no reason why you can't continue to do that. Now, of course, -- but if let's say, we reach a static 56%, you will have that sync topic issue that maybe you get close to 56%, but you never get over it. But I think the 50%, we've been beating 50% so consistently, I think that will help. Now what you'll find though is that the pace of acceleration on margin probably slows the closer you get to your incremental margin. But what we thought was really important to us is make sure we have an efficient machine. We're doing things, we're scaling as well as we possibly can. And then you look to expand into other areas with investment so that you can put more and more revenue through this machine that's spinning off amazing cash flow and amazing profits for investors. And that's been our focus. That's what we've been trying to do. And every year, we're investing more and more in new product introduction. What's interesting? Back at the time when I started, that I just did like a [indiscernible] of all the engineers that were running the R&D groups. They were spending probably 1/3 -- my simple question was, how much of your time is being spent on products that generate revenue today? And how much of your time is spent on products that have not been released yet. And only about 1/3 of their time was being spent on products that haven't been released yet. And I felt that, oh, 2/3 of your time is spent on maintenance of existing products, that's not going to help you with new product introduction. I think that's pretty much flipped. I mean in the 6- or 7-year period, as much as we're spending in R&D these days. The majority of that R&D spend is not contributing a dime to revenue this year. It's all new products being generated for the future. It's us building out our capability. And as long as we keep the machine operating as efficiently as we can, it should split out operating income and cash flow for the benefit of investors for years to come. And that's why I say we're farmers, not hunters. If we plant now, harvest later.
Yu Shi
analystGot it. Got it. I think that's a very good way for us to really wrap up today's discussion. I think, John, you provided a lot of transparency, especially the transparency to how as a CFO of Cadence, you think about managing the business as -- from a CFO point of view, I really appreciate that. And I think we are about to have to wrap up the session today. But really thank you, John and Richard for joining us today. Thanks, everyone, on the line. And I hope everyone have a good rest of the day.
John Wall
executiveThanks, Charles. Thanks, Richard.
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