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Operator
Good afternoon.
My name is Erica, and I will be your conference operator today.
At this time, I would like to welcome everyone to the Cadence Third Quarter 2018 Earnings Conference Call.
(Operator Instructions) Thank you.
I would now like to turn the call over to Alan Lindstrom, Senior Group Director of Investor Relations for Cadence.
Please go ahead.
Alan H. Lindstrom - Senior Group Director of IR
Thank you, Erica, and I would like to welcome everyone to our Third Quarter 2018 Earnings Conference Call.
I am joined today by Lip-Bu Tan, CEO; and John Wall, Senior Vice President and CFO.
The webcast of this call is available through our website, cadence.com, and will be archived through December 14, 2018.
A copy of today's prepared remarks will also be available on our website at the conclusion of today's call.
Please note that today's discussion will contain forward-looking statements and that actual results may differ materially from those expectations.
For information on the factors that could cause a difference on our results, please refer to our filings with the Securities and Exchange Commission.
These include Cadence's most recent reports on Form 10-K and Form 10-Q, including the company's future filings and the cautionary comments regarding forward-looking statements in the earnings press release we issued today.
In addition to financial results prepared in accordance with Generally Accepted Accounting Principles or GAAP, we will also present certain non-GAAP financial measures today.
Cadence management believes that in addition to using GAAP results in evaluating our business, it can also be useful to review results using certain non-GAAP financial measures.
Investors and potential investors are encouraged to review the reconciliation of non-GAAP financial measures with their most direct comparable GAAP financial results.
The reconciliations are available at the Investor Relations section of cadence.com.
Copies of today's press release dated October 22, 2018 for the quarter ended September 29, 2018, related financial tables and the CFO commentary are also available on our website.
Now I'll turn the call over to Lip-Bu.
Lip-Bu Tan - CEO & Director
Good afternoon, everyone, and thank you for joining us today.
I'm very pleased to report that broad-based customer demand across our core EDA, hardware and IP product lines enabled Cadence to achieve excellent operating results and financial performance in the third quarter.
We live in data-driven world that is propelled by key technology waves such as cloud data center, 5G and machine learning.
AI machine learning fueled by big data and sophisticated data analytics algorithm, along with the most domain-specific accelerators, is transforming many industries, including transportation, health care and manufacturing.
All of this lead to increasing demand for high-performance compute, high-speed connectivity and dense storage, which in turn drives strong design activity and broad demand of our innovative System Design Enablement solutions.
Our SDE strategy continues to open up new growth opportunities as we expanded -- expand our forecast beyond semiconductors to systems and customer in newer verticals.
As a result of these factors, we are increasing our outlook for the year.
John will say more on this in a moment.
I will now review the Q3 highlights starting with IP business.
Our IP business had a strong quarter with double-digit growth, driven by increasing royalties for Tensilica and robust demand for our memory products.
Additionally, we launched 2 important new IP products.
First, earlier today, we announced the industry-first silicon-proven, long-reach 112G SerDes IP in 7-nm technology.
This innovative SerDes technology, based on nusemi acquisition, is essential to enable next-generation cloud connectivity to most to 200 GB and beyond in the hyperscale data center.
We have been working closely with earlier adopting customers and are already taking orders as we begin to engage broadly with consumers.
Along with our leading DDR and PCIe solutions, we now offer the most compelling portfolio of essential IPs for the hyperscale data center.
Second, we also significantly enhanced the Tensilica product line with the DNA 100 processor, which is a deep neural network accelerator.
Its innovative architecture enables the DNA 100 to deliver leading performance and power efficiency, while scaling across a broad range of compute needs.
The DNA 100 is ideal for embedded inferencing applications where latency and link or connectivity may be an issue such as surveillance, drones, AR/VR and automotive sensor fusion.
Next, I will discuss highlights of our System Design and Verification solutions.
The Cadence Verification suite had another strong quarter, with year-over-year revenue growth of 9%.
Palladium Z1 also had a strong quarter as demand for increasing hardware capacity continues.
Two customers significantly expanded their installation of Palladium Z1, and overall, we added 5 new logos.
Our new Palladium Cloud offering, which provides on-demand cloud-based emulation capacity, is ramping up nicely and contributed meaningfully to orders in Q3.
Adoption of our Xcelium simulator continues to grow as we added several new customers, including a large commitment to our technology from a market-shaping customer.
Digital and signoff continues to perform well, with revenue up 9% year-over-year.
Proliferation of our digital and signoff solutions continue with existing market-shaping customers as well as wins with the new customers.
We added 19 new logos in Q3 for our digital and signoff products.
Customers tape out more than a dozen 7-nm designs in Q3 using Innovus.
In total, more than 50 customers are using Innovus for implementations at the 7-nm node.
We are actively engaged with very early adopter customers on their 5-nm designs and have started work with partners to get ready for 3-nm.
We won 4 Partners of the Year awards at the TSMC Open Innovation Platform, including on 5-nm design infrastructure collaborations.
Last quarter, we introduced Cadence Cloud in collaboration with major cloud industry players, Amazon Web Services, Google Cloud and Microsoft Azure.
Our offerings have already been deployed in production with customers, and interest in using cloud for semiconductor design is growing.
We are pleased with the customer receptions and have a healthy pipeline of opportunities.
In October, Cadence collaborated with TSMC to launch their virtual design environment.
Cadence Cloud was certified as a storefront for mutual customers desiring to develop SoC using TSMC IP in the cloud.
The endorsement is further evidence of the growing interest in using the cloud for semiconductor and electronic system design.
Now before turning it over to John, let me quickly summarize comments.
Cadence achieved excellent results through consistent execution of our System Design Enablement strategy across our core EDA, IP and hardware businesses.
IP had an excellent quarter, and we announced 2 new exciting new IP products.
Important market-shaping customers expanded their use of both the software- and hardware-based products in our Verification Suite.
And our digital signoff solution continued to proliferate with market-shaping customers, and we are deeply engaged with customers and partners on 5-nm and 3-nm development.
With that, I will now turn the call over to John to review the financial results and provide our updated outlook.
John M. Wall - Senior VP & CFO
Thanks, Lip-Bu, and good afternoon, everyone.
As Lip-Bu said, broad-based customer demand across our major product lines enabled Cadence to achieve excellent operating results and financial performance in the third quarter.
I am pleased to report that we exceeded all of our key performance metrics.
We expect strong demand and cash flow to continue into the fourth quarter, and as a result, we are raising our outlook for fiscal 2018 and increasing stock repurchases to $75 million for the fourth quarter.
Before we get into Q3 results, I'd like to remind you that Cadence adopted the new revenue accounting standard known as ASC Topic 606 for fiscal 2018.
These new rules, as we often refer to them, are now GAAP for Cadence.
The numbers I present for our third quarter are based on these new rules unless otherwise stated.
Please also keep in mind that this is our transition year to the new rules, and our results under the new rules are not directly comparable to those of 2017, which were reported under ASC Topic 605 or the old rules.
To provide a more direct comparison against our 2017 results, we will show our quarterly results as reported under the old rules for all four quarters of 2018.
Now let's go through the key results for the third quarter starting with the P&L: As reported, total revenue was $532 million.
Non-GAAP operating margin was 32%.
GAAP EPS was $0.35, and non-GAAP EPS was $0.49.
And under the old rules for direct comparison against Q3 2017: Total revenue was $526 million.
Non-GAAP operating margin was 32%.
GAAP EPS was $0.34, and non-GAAP EPS was $0.49.
Next, let us turn to the balance sheet and cash flow.
Cash and short-term investments totaled $550 million at the end of Q3, with approximately $135 million of that cash here in the U.S. Debt outstanding at quarter-end was $350 million.
Operating cash flow in Q3 was $110 million.
During the quarter, we repurchased $50 million of Cadence shares and paid off our existing $300 million term loan.
As reported, DSOs were 42 days.
Under the old rules, DSOs were 39 days.
Looking ahead, we expect strong demand to continue into the fourth quarter, and as a result, we are increasing our outlook for fiscal 2018.
For Q4, we expect the following results: revenue in the range of $545 million to $555 million, non-GAAP operating margin of 29% to 30%, GAAP EPS in the range of $0.27 to $0.29, and non-GAAP EPS in the range of $0.46 to $0.48.
For fiscal 2018, we now expect: revenue in the range of $2.113 billion to $2.123 billion, non-GAAP operating margin of 29.5% to 30%, GAAP EPS in the range of $1.15 to $1.17, non-GAAP EPS in the range of $1.80 to $1.82 and operating cash flow in the range of $550 million to $580 million.
Our Q3 results and outlook for the second half are significantly better than we expected this time last quarter.
Design activity is healthy, and we experienced broad-based customer demand across our core EDA, hardware and IP product lines.
Upside in our hardware and IP product lines are the primary contributors to the upside in our revenue guidance for 2018.
Some of our customers requested earlier delivery of hardware systems, and we saw an uptick in our IP royalty revenue.
Our second half also has upside resulting from a number of one-time benefits on the expense side, almost all of which fell into our third quarter.
The upside in our expenses for Q3 was primarily due to timing of new hires and one-time credits to professional services expense.
For fiscal 2018, we now expect the difference in revenue under the new and old rules to be approximately $12 million, most of which is due to IP.
This means that under the old rules, our implied 2018 guidance at the midpoint is now expected to be: revenue of approximately $2.13 billion, non-GAAP operating margin of approximately 30%, GAAP EPS of approximately $1.18, non-GAAP EPS of approximately $1.85 and operating cash flow in the range of $550 million to $580 million.
We expect our operating cash flow to be the same under both the new and old rules.
One thing I'd like to point out is that our fourth quarter earnings release will be scheduled for February 19, 2019, due to the additional work required to complete over year-end accounting for the first time under both the new tax law and the new revenue accounting rules.
To sum up, I am very pleased with our progress in 2018.
It is shaping up to be a great year for Cadence, and I'd like to thank the entire Cadence team.
Their operational discipline and their drive and passion to make our customers successful are truly inspiring and have played a large part in allowing us to raise our guidance throughout the year.
On an apples-to-apples basis, we are now expecting annual revenue to increase by more than 9%.
And on the back of that revenue growth, we now expect non-GAAP operating margin, on the basis of the old rules, to improve to approximately 30% for the year.
And with that, operator, we'll now take questions.
Operator
(Operator Instructions) Your first question comes from Gary Mobley from Benchmark.
Gary Wade Mobley - Research Analyst
Let me first extend my congratulations to Lip-Bu for your 10-year anniversary.
I want to start out by asking a question about Cadence Cloud.
Can you give us a sense of what percent of your fourth quarter revenue outlook might be generated from Cadence Cloud and then as well, maybe kind of a preview into fiscal year '19?
And John, last time we had this call and I asked the question, you mentioned you don't expect a material difference in revenue recognition with Cadence Cloud versus traditional customer delivery.
Is that still the case?
Lip-Bu Tan - CEO & Director
Yes.
So I think you have 2 questions.
Let me answer the first one.
So first of all, last quarter, we introduced the Cadence Cloud with collaboration with Amazon, Google Cloud and Microsoft Azure.
And we are very delighted that right now the -- our offering are already deployed in production by customers.
Interest using the cloud for design is growing.
We are very excited about the customer reception, and we have a healthy pipeline opportunity.
And I just have to say that we are in the very beginning of the inning for the baseball.
Right now in the World Series now.
So we are -- it is still in the beginning of the inning.
And then early October, we are delighted to collaborating with TSMC, launched their virtual design environment.
And as you know, the -- moving to the cloud, foundry partners is important so they make sure that their IP are also in the cloud, the TSMC cloud offering so that now their customer can use that and using our tool in the cloud for developing the SoC.
This is very exciting.
So overall, we're excited about the opportunity but in the very beginning of the inning.
John M. Wall - Senior VP & CFO
And Gary, just to address your second question, there's no material impact from the Cadence Cloud on Cadence revenue.
Although Cadence Cloud is a valuable addition to our product portfolio for both customers and Cadence, it's not a material impact to our revenue in Q3 or expect to be a material impact in Q4.
Gary Wade Mobley - Research Analyst
Okay.
As a follow-up question, I wanted to ask about the memory IC industry.
It is widely known that we've seen some pretty steep drops in NAND flash pricing and maybe a stagnant DRAM market.
And I know historically, memory has not been a heavy user of EDA tools.
But can you give us a sense of what percent of your revenue comes from memory IC companies?
Lip-Bu Tan - CEO & Director
Yes.
I don't think we've disclosed the memory IC percentage of our revenue.
But I think, clearly in this data-driven world, it's all about big data and then also how to do the data analytics beside the compute because the workloads have changed.
So I think this memory and in-circuit memory, some of this application became very critical.
So we have a very strong footprint with the memory IC player, and we are delighted to work closely with them for their next-generation design.
And then some of this, as you know, the NVMe, non-volatile memory side is taking off in the hyperscale side.
And also, all -- it's all about data.
I mean, from the IoT to the edge to the automotive driving, the ADAS and all the different IoT for the Industry 4.0, data become very essential.
And then how to address the latency and the speed of time to get the data and then able to make some intelligent decision, both are critical.
So I think there's a lot of disruptive innovation R&D he is working on.
And we are very well-positioned with the memory key players and we're delighted on the tool and IP front to work closely and close collaborating with them.
Operator
Our next question comes from Mitch Steves from RBC Capital Markets.
Mitchell Toshiro Steves - Analyst
I had two.
First one is actually kind of on ASC 606.
So I remember at the beginning of the year, you kind of expected like a $40 million impact.
Now it sounds like it's a $12 million difference, and it seems like the total impact is almost positive for you guys.
Maybe you can help us understand what happened there.
What changed throughout the year?
John M. Wall - Senior VP & CFO
Yes.
So Mitch, this is John.
The difference is down to $12 million, and it's mainly due to how IP revenues are recognized under 605 and 606.
Under 606, the new rules, we record IP revenue as we deliver the IP to the customer.
Under 605, the old rules, some IP cannot be recognized until all of the IP committed in the contract is delivered to the customer.
As a result, we recorded IP revenue during Q2 and Q3 under the new rules that will show up in Q4 revenue under the old rules.
And just for clarity, that we expect the revenue under the old rules to be $12 million higher than revenue under the new rules.
But just want to make that clear.
Mitchell Toshiro Steves - Analyst
And then the second one is actually on the overall macro.
I mean, we're seeing some negative news about semiconductor volumes.
I just wanted to see if anything has changed, in terms of the R&D you guys are seeing or in terms of the engineering hires you're seeing in the space, just broadly from a macro perspective.
Lip-Bu Tan - CEO & Director
Sure.
Mitch, let me answer the questions on the environment.
And so clearly, the design activity is quite healthy and basically driven by a couple of things that I mentioned earlier.
The data-driven and with the big data and the machine learning, deep learning that you know using the big data and then do the data analytics and then also kind of moving towards this, I call it, domain-specific application.
That's very broad application to the very multiple industry from transportation to health care, drug discovery, manufacturing and of course, the automotive-related area.
So I think, these are driving more and stronger design activity from the big companies and also the small company from the service provider.
They want to optimize and differentiate their service, so they are starting to quietly building up silicon development.
So we are embracing and partnering, collaborating with them deeply and of course, our SDE strategy starting to really play big time in terms of addressing some of this new growth opportunity so that we can really focus in helping the customer to design that.
So I think, overall answer your question, all these are driving the design activity.
We see a very a nice increase on the -- our collaboration with our customers.
Operator
Our next question comes from Monika Garg from KeyBanc.
Monika Garg - Research Analyst
First, if you look, you're guiding almost 10% growth on 605 basis.
How do you think about growth next year?
Lip-Bu Tan - CEO & Director
Yes.
First of all, I think, Monika, as you know that we don't provide guidance for next year.
Wait for January and we will provide that.
John?
John M. Wall - Senior VP & CFO
Yes.
And Monika, I wouldn't focus too intensely on any 1 quarter, and revenue growth should be strong in Q4.
But in Q3, we had a number of one-time benefits that don't follow through into Q4.
Expenses in Q3 benefited from the timing of new hires and some one-time credits to professional services expense.
But that said, I mean, I'm very pleased with the -- what we are expecting in non-GAAP operating margin of approximately 29.5% to 30% for this year.
Monika Garg - Research Analyst
All right.
Then, Lip-Bu, could you maybe talk about how do you see impact of tariffs impacting semi industry?
And could you see EDA industry, any impact from that?
Lip-Bu Tan - CEO & Director
Can you repeat your question again?
I missed the first part.
Monika Garg - Research Analyst
We are seeing kind of tariffs between U.S., China and other geographies.
Your comments regarding how could that impact semi industry and in turn, could you see any impact on the EDA industry from that?
Lip-Bu Tan - CEO & Director
Yes.
I think it's a very important topic in that the tariff landscape is very fluid and very difficult to predict.
With our guidance, it's everything we know and also reasonably estimate.
Clearly, we watch that very carefully.
Overall, I know we have done well in China.
And then China is a very growing opportunity for us, and we have a big team over there to support our customers.
At the end of the day, I think we are just very laser-focused on supporting our customers globally in their design activity.
Monika Garg - Research Analyst
Then just the last one, John, operating margins were very strong at 30%, close to 30%.
Where do you think operating margins could be next 2 to 4 years?
John M. Wall - Senior VP & CFO
Nice try, Monika.
Yes, but we're not guiding beyond this year, for 2018.
Operator
Our next question comes from Rich Valera from Needham & Company.
Richard Frank Valera - Senior Analyst
So maybe just a question for John around -- you mentioned you had some one-time benefits and expenses in Q3, and also, I think you mentioned early hardware shipments, which may have contributed to the strength in Q3.
But I wanted to just see if you look at the year as a whole, including Q3 and Q4, is there anything we should think of as one-time that wouldn't make for a clean comparison to 2019?
Even though I know you're not guiding, just is there anything we should sort of back out as we're looking at 2019?
John M. Wall - Senior VP & CFO
Yes.
Good question, Rich.
But what I would highlight is that we delivered hardware in Q3, for which we won't collect payment until the following quarter.
And if you have a look at our CFO commentary, we're expecting that to happen again in Q4.
But in our CFO commentary, we called out that we expect DSOs to rise to about 45 days at year-end.
And that's mainly because some customers have requested delivery of hardware in 2018, for which we don't expect to get paid in -- until early 2019.
But yes, I mean, taking the year as a whole, that's what I've been trying to point out.
Richard Frank Valera - Senior Analyst
So if you looked at coming into this year versus last year -- because you actually had a really strong, I think, bookings hardware quarter at the -- in the fourth quarter of last year.
Did you have that same effect where you had kind of deferred hardware revenue coming into the year that was recognized early this year and now you kind of have that same impact likely going into '19.
Is that fair?
John M. Wall - Senior VP & CFO
Well, what we saw at the end of last year was an acceleration of hardware bookings into the end of the quarter, at the end of 2017.
But -- and I like say, for -- for that contrast with 2018 is this year.
Some customers have requested earlier delivery of hardware for -- in Q4 2018, for which we're not expecting to get paid until Q1 2019.
But with all that said, we're not guiding beyond the end of 2018.
Richard Frank Valera - Senior Analyst
Okay.
But you will see some revenue in, presumably, the first quarter of '19 from hardware that you'll ship in the fourth quarter of '18.
Is that fair?
John M. Wall - Senior VP & CFO
We'll see the revenue on delivery of the hardware.
So if we ship hardware in Q4, we'll recognize revenue on the hardware in Q4.
Richard Frank Valera - Senior Analyst
And then Asia Pac seemed to show up as a notably strong geography in this quarter.
Is there anything there that we should be aware of?
Is the -- or is that just kind of noise in the numbers?
John M. Wall - Senior VP & CFO
Yes.
I mean, we continue to see strong growth in Asia but -- and for the quarter, the growth, if you look across the business groups, it was mainly in -- most of the revenue upside for the second half is in verification and IP.
And that's mainly because those segments benefit from upfront revenue recognition on delivery of the IP and hardware.
Yes, we had strength across all product lines.
Operator
Our next question comes from John Pitzer from Crédit Suisse.
John William Pitzer - MD, Global Technology Strategist and Global Technology Sector Head
John, apologize if I missed this, but relative to the onetime benefits of OpEx in Q3, did you quantify them across SG&A and R&D?
I'm just trying to figure out, relative to your initial guidance of op margins being down over a couple hundred basis points sequentially, they were up.
And I'm just trying to figure out what drove the difference and how I should think about sequential op margin growth into the fourth quarter.
John M. Wall - Senior VP & CFO
Yes, fair question, John.
I mean, what can I say, but the second half is just really strong for us.
But I mean, there's been no change on how we do our guidance or anything.
It's just design activity is healthy.
But I wouldn't read too much into any 1 quarter or even 1/2.
A lot of the things that are going in the right direction for this year, especially in the second half on both the revenue and expense side, we're operating the business for the long term.
Q3 in the second half does include, as you said, a number of one-time items.
But even adjusting for those, we're very pleased with how the second half of the year is playing out.
John William Pitzer - MD, Global Technology Strategist and Global Technology Sector Head
So John, is it fair to say that ex the adjustments that maybe gross margins -- operating margins would have been about half as strong relative to guidance?
So if they were 500 basis points above, about half is one-time, half is operational?
Or can you [help us out] there?
John M. Wall - Senior VP & CFO
So yes, of course, yes.
Sorry, John, yes.
That's correct.
About half was due to the one-time expense items and half due to the revenue growth.
John William Pitzer - MD, Global Technology Strategist and Global Technology Sector Head
Perfect.
That's helpful.
And the -- maybe as a follow-up, Lip-Bu, just going back to Cadence Cloud, if you think about the long-term potential for this distribution channel, how big do you think it becomes as a percent of revenue?
Is this something that you think your traditional customers exploit?
Or is this really an avenue to kind of grow the customer base of design activity?
And you talked about rev rec not being changed by Cadence Cloud.
Is the dollar of opportunity different between buy versus cloud when you think about project-based revenue?
Lip-Bu Tan - CEO & Director
Yes.
So let me answer the first question, and then John can answer the second question.
So on the first question, as I mentioned earlier, this is kind of an early inning.
And -- but we are very excited with the customer receptions, and also, we have healthy pipeline of opportunity.
And then clearly, our partner with industry leader in the hyperscale cloud have been really very good, and we are very happy with the collaborations.
And then clearly, if you look at from the design point of view, if they can partition and then over the multiple unlimited server the cloud infrastructure offer, clearly, the PPA runtime improvement is substantial.
And we already see that and benefit on that, and the customer see that.
And so in some way, we can make the faster and better performance for the customer.
And so I think stay tuned.
We're going to continue to drive that, especially with the TSMC virtual design platform and using our tool and also their IP in the cloud, that can be very exciting.
And we're going to do that also for other foundry partners so they make it available to our customers.
Whichever way they're pegged on the hyperscale, whichever they're pegged on the foundry, we will be there to support them and our tool will be optimized for their solution design.
John M. Wall - Senior VP & CFO
And John, to take the second part of your question, Cadence Cloud doesn't change our business model.
It offer customers another way to optimize their investment in Cadence tools.
But in saying that, the Palladium Cloud is probably the best opportunity in the nearer term for incremental revenue because it taps into customers who traditionally have not had the capital budgets to purchase emulation hardware.
And we had some revenue contribution from Palladium Cloud in Q3.
John William Pitzer - MD, Global Technology Strategist and Global Technology Sector Head
And John, if I can sneak one more quick one in.
Lip-Bu, what percent of your revenue today is domestic Chinese?
And I guess, just relative to trade war concerns, do you see any evidence of those customers perhaps ordering more than they needed -- need for fear that the trade war escalates?
Lip-Bu Tan - CEO & Director
Yes.
I don't think we have breakdown on the percentage of customer from China domestic customer.
But clearly, we are engaging quite heavily.
Our philosophy is to support the leading customer in their most complicated design globally, and then China is included.
And there are some world-class companies from China.
We're collaborating closely with them.
There lie our true partnership trusted arrangement and then with the best design on the tool and IP.
And so we're going to continue doing that and then, so far have been okay.
Operator
Our next question comes from Sterling Auty from JPMorgan.
Sterling Auty - Senior Analyst
I think the strength in the upside in the quarter, as you mentioned, was both verification emulation, as well as IP.
On the verification emulation side, can you give us a little bit more color?
Is this existing customers buying more?
Is this new customers?
What was the balance?
Just what's the source of the strength that you saw in the quarter?
Lip-Bu Tan - CEO & Director
Yes.
Let me start it first, Sterling, and a couple of things.
One, clearly, the customer increasing the demand on the hardware capacity continues.
We mentioned 2 large customers significantly expand their installation of Z1.
Purely, the multiple factor but one of the key reasons is a lot of complex design.
They need more capacity for verifications and talking about that, clearly, also driving our verification suite.
And then we're delighted on the Xcelium side.
We have one large commitment to our technology from a market-shaping customer.
So I think, all in all, I think is a good quarter across hardware emulation Z1 and also Xcelium, and then we continue to drive large-scale design.
This is a must-have, and they're able to scale.
And then clearly, it's a good balance between the existing customer and also new logos that we highlight that we find new logos.
The customers that are new customers to us, they see the benefit of the usage of Z1.
Sterling Auty - Senior Analyst
And when looking at the fourth quarter, I want to make sure I'm clear.
The guidance that you gave, is the driver for the new guidance again more kind of the emulation IP, so things that have upfront revenue recognition that's driving the fourth quarter change in guide?
Or am I missing that?
John M. Wall - Senior VP & CFO
So Sterling, this is John.
The, yes, revenue exceeded internal expectations across all our major product lines.
But yes, most of the revenue upside is in verification and IP when you look at the half, and that's because those segments benefit from upfront revenue as you said -- as you just said.
Lip-Bu Tan - CEO & Director
And then, Sterling, just to add on, I think, we've mentioned it is a broad-based EDA hardware and IP.
And then, by the way, the digital and signoff had a wonderful quarter, 9% growth.
And then we have mentioned about 12 -- more than 12, the 7-nm design win on the Q3.
And then, clearly, we go deep into the 5-nm with our partners and customer, and then we are getting ready on the 3-nm, so continue driving the improvement on the various different tools.
So it's very broad-based.
Sterling Auty - Senior Analyst
Okay, great.
And then last question just to clarify, the previous caller, John, you mentioned Palladium Cloud.
I thought there would be a difference in revenue recognition coming from upfront when you ship a box under current model versus I thought the cloud model would be more of a ratable or transaction-based for Palladium Cloud.
John M. Wall - Senior VP & CFO
Yes, that's a good clarification, Sterling.
Yes, revenue contribution from Palladium in the cloud would be ratable, yes.
Operator
Our next question comes from Tom Diffely from D.A. Davidson.
Thomas Robert Diffely - MD & Senior Research Analyst
First, let me go back to an earlier question on the memory side item.
We've seen some pricing declines in memory.
I know you have really strong relationships with the customers there.
But since we've seen them push out some capacity and delayed a few projects, just curious, have you seen any delays or any slowdown in their design activity because of that?
Lip-Bu Tan - CEO & Director
Yes, good question, Tom.
And so far, the feedback is from our partnerships with some of the key customers, we don't see any delay in the design.
Actually, they increased because there's a lot of new requirement they need.
And I'll highlight the NVMe-related area and then the disaggregation of the storage that a hyperscale guy need.
And so there's a lot of innovation in the new material that is happening and then -- so that you can really squeeze more bits into the memory cell.
And so I think there's a lot of new development.
We're heavily engaging with all the key players.
We -- I think we don't see that delay.
Thomas Robert Diffely - MD & Senior Research Analyst
Okay.
So I guess, that being said, will the pricing decline be good for your business in the sense that it would open up new opportunities or new use cases for memory?
Lip-Bu Tan - CEO & Director
Possible but hard to tell and -- but so far, we are more related to their design activity, and we see increase in their design activity.
And memory is so essential on the whole big data and the whole AI machine learning, and then latency is -- that scale out of storage is significantly required because such a big massive data from autonomous driving, IoT to the edge and the requirement has significantly increased.
So in some ways, put a lot of more pressure for the memory innovation, and that should be good for us.
Thomas Robert Diffely - MD & Senior Research Analyst
Yes, okay.
And then, John, you talked several times about the onetime OpEx benefits in the quarter.
Was there ever a discussion not to include those in the non-GAAP numbers?
John M. Wall - Senior VP & CFO
Yes -- no, but we didn't discuss not including them.
Thomas Robert Diffely - MD & Senior Research Analyst
Okay.
Was it more just a timing issue then kind of -- well...
John M. Wall - Senior VP & CFO
That's all.
Like I say, yes, it's just a timing issue.
Like even when I look at -- if I look at the second half without those, we're still very pleased how the second half of the year is playing out.
Thomas Robert Diffely - MD & Senior Research Analyst
Okay.
And then just based on the really strong operating margin improvement this year versus the revenue growth of 9%, was -- is that -- was that projected or predicted based on just the leverage in the model?
Or was that a little -- much stronger operating margin improvement than you would have thought?
John M. Wall - Senior VP & CFO
Well, approximately half of the operating margin improvement in the third quarter came from the revenue upside, and about half of it came from expense benefits like the -- primarily due to the timing of hires and those one-time credits.
Yes, those were the major impacts.
But like I say, I wouldn't focus too intensely on any 1 quarter.
Let's -- like I say, when you look at the second half of the year, we're very pleased with how that's playing out.
Operator
Our final question comes from Jay Vleeschhouwer from Griffin Securities.
Jay Vleeschhouwer - MD of Software Research
John, let me start with you with a couple of questions regarding pricing and separately, expenses, then a follow-up for Lip-Bu.
So on pricing, since you assumed the role of CFO, one of the things that you've been focusing on is what you've called deal quality metrics and relatedly, improving in areas of sub-optimal pricing where it exists.
Could you give us an update on how you think you're doing in terms of those metrics?
And then relatedly on pricing, to what extent do you think that new technology is helping you with either bookings or incremental pricing, like for example, Voltus-XP as a source of incremental business?
John M. Wall - Senior VP & CFO
So Jay, on the pricing front, yes, I mean, we continue to focus on pricing.
We're always disciplined and value-driven.
Typically, we get pricing improvements from add-on contracts from customers.
But we typically do a renewal with the customer every approximately 2 to 3 years.
But -- and then throughout the duration of the contract, you'll get add-on opportunity, and that's where we often see the pricing improvement.
Lip-Bu Tan - CEO & Director
Just to add on to what John is saying, I think, clearly, Jay, I think the customers are paying for the value that we provide, and then that's why we do a lot of innovations.
The -- every year as you can see, 6 to 8 new product organically developed.
And then clearly, it is driving the true performance and so that we can really focus on the value to the customer and then the -- running the PPA, the runtime.
And then in the early days, now the last few years, we've been very focused on rewriting some of our tools on parallelism.
And then the next step, we're using AI machine learning across, applying it to all our different tools and products so that we can drive better performance and throughput for the customer.
And then lately, as you -- we highlighted to you, we're moving quite a bit into the cloud so that we can use the unlimited server to even partitioning appropriately to scale the performance and runtime.
So I think, clearly, the customers are willing to pay for the value that we provide.
Jay Vleeschhouwer - MD of Software Research
With regard to expenses in doing our monthly spot checks, your job openings as well as for your principal competitors, across-the-board, for the EDA big 3, there has been a substantial increase over the last number of months in terms of total openings: yourselves, Synopsys, Mentor.
In your case, your current number of job openings, as we looked at today, is up by about 1/3 from 6 months ago and more than double a year ago.
And we see similar trends again with Synopsys and Mentor.
Could you talk about where you're looking to add, given the broad demand within the industry for engineers, AEs and the like?
Could you talk about your ability to, in fact, bring people on at the rate that you want, given the competition for headcount?
John M. Wall - Senior VP & CFO
Jay, I'll start and I'll let Lip-Bu then chime in with where we're heading.
But yes, you're correct.
But if you look at our CFO commentary, you'll see that there was an uptick in Cadence headcount, and much of that's from the beginning of September, which was part of the delayed hiring.
That's what benefited Q3.
And then on the expense side, that was a one-time benefit to Q3, but of course, we ramped up hiring so that expense turns up in Q4.
And then I just want to refer back to why we didn't non-GAAP out the one-time credits for professional services, and that was because we need to be consistent with the use of non-GAAP definitions, and they won't change on a quarter-to-quarter basis.
Lip-Bu Tan - CEO & Director
Just to add on John's descriptions, I think clearly, we're hiring more into the R&D and FAE side.
And then the FAE, clearly, we want to make sure that we support our customers and then have a deep collaboration with them.
On the R&D front, we see a great opportunity for further innovations, basically more into the data science and into the machine learning, deep learning and also some of the new tools that we have some new idea how to drive more success in terms of PPA and runtime to serve our customer better.
Jay Vleeschhouwer - MD of Software Research
Lastly, on technology, since you used the word rewrite, Lip-Bu, earlier, at a Cadence customer event at DAC 4 months ago, there was a very interesting panel discussion where customers such as NVIDIA, in particular, talked about their need for substantially greater capacity in the tools.
And I know this is a 30-year issue in EDA and never ends.
But customers like them and others on the panel were talking about multiples of increase in block capacity within the tools, and I'm wondering where you stand in terms of being able to deliver against those kinds of substantial increases in capacity that they're now talking about.
Lip-Bu Tan - CEO & Director
Yes.
So I think, clearly, the design complexity has increased substantially, based on the various applications I just mentioned earlier, big data and data analytics.
And so the capacity requirement, how to address the interconnect high-speed and also some of this memory scale out and all this are going to be critical and design for our tool, how to scale it and also some of the compact design, how to use the cloud to address some of this requirement.
And then the other part is also in our emulation, hardware emulation.
Clearly, we're developing the next generation.
Too early to give you the guidance.
I mean, so far, we're making good progress on the next products and then going to be continuing to increase the capacity to meet the customer.
Same thing with our -- the FPGA prototyping.
The -- stay tuned.
We're going to have more announcement in terms of increasing the capacity and the scale out to provide the customer needs like the company like you mentioned earlier, NVIDIA.
And any large scale design like massive parallelism and AI and machine learning application in some of the big infrastructure switch -- network switch related require great capacity increase.
And also, developing the design is getting a lot more complex and also meanwhile, pushing into the 5- and 3-nm.
So I think this is all exciting for us, and we work closely and listen very closely with the customer and collaborating with them and supporting them.
Operator
And there are no further questions at this time.
Lip-Bu Tan - CEO & Director
And so let me start.
First of all, in closing, through continuous innovation and execution, our System Design Enablement strategy has positioned us to capitalize on multiple technology waves and further proliferate our solution with a broader base of customers.
We are proud of the innovation and inclusive culture we are building at Cadence.
And I would like to take this opportunity to thank all our shareholders, customers and partners, Board of Directors and hard-working employees globally for their continued support.
Thank you all for joining us this afternoon.
Operator
Thank you for participating in today's Cadence Third Quarter 2018 Earnings Conference Call.
This concludes today's call.
You may now disconnect.