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Operator
Good day, ladies and gentlemen, and welcome to the ON Semiconductor First Quarter 2018 Earnings Conference Call.
(Operator Instructions)
As a reminder, this call is being recorded.
I would now like to introduce your host for today's conference, Parag Agarwal, VP of Corporate Development and Investor Relations.
You may begin.
Parag Agarwal - VP of IR
Thank you, Sara.
Good morning, and thank you for joining ON Semiconductor Corporation's First Quarter 2018 Quarterly Results Conference Call.
I'm joined today by Keith Jackson, our President and CEO; and Bernard Gutmann, our CFO.
This call is being webcast on the Investor Relations section of our website at www.onsemi.com.
A replay of this broadcast, along with our earnings release for the first quarter of 2018, will be available on our website approximately 1 hour following this conference call, and a recorded broadcast will be available for approximately 30 days following this conference call.
The script for today's call and additional information related to our end markets, business segments, geographies, channels and share count are also posted on our website.
Our earnings release and this presentation include certain non-GAAP financial measures.
Reconciliation of these non-GAAP financial measures to most directly comparable measures under GAAP are in our earnings release, which is posted separately on our website in the Investor Relations section.
During the course of this conference call, we will make projections or other forward-looking statements regarding future events or future financial performance of the company.
The words believe, estimate, project, anticipate, intend, may, expect, will, plan, should or similar expressions are intended to identify forward-looking statements.
We wish to caution that such statements are subject to risks and uncertainties that could cause actual events or results to differ materially from projections.
Important factors which can affect our business, including factors that could cause actual results to differ from our forward-looking statements, are described in our Forms 10-Ks, Form 10-Qs and other filings with the Securities and Exchange Commission.
Additional factors are described in our earnings release for the first quarter of 2018.
Our estimates may change, and the company assumes no obligation to update forward-looking statements to reflect actual results, changed assumptions or other factors except as required by the law.
For all synergies-related discussion on this call, we have used Fairchild's 2015 results as the base for all comparisons.
We will host our 2019 Analyst Day on March 8 in Scottsdale, Arizona.
We will send the invitations for the event shortly.
Now let me turn it over to Bernard Gutmann, who will provide an overview of the first quarter 2018 results.
Bernard?
Bernard Gutmann - CFO, EVP and Treasurer
Thank you, Parag, and thank you, everyone, for joining us today.
We delivered yet another quarter of strong financial results, which exceeded our guidance and Street consensus on all key metrics.
Near to midterm outlook for our business remains strong.
Furthermore, long-term outlook for our business continues to improve as we are seeing an inflection in long-term demand for our products.
We continue to expand our gross margin and operating margins, and we are making prudent investments to drive future revenue growth and gross margin expansion -- and margin expansion.
With strong revenue growth, coupled with margin expansion, our free cash flow generation remains robust.
We're making strong progress towards our target financial model.
We continue to see solid strength in our business.
Indications from our customers and macroeconomic data point to continuing strength in demand for our products in near to midterm.
Our design win pipeline continues to expand, driven by a strong product portfolio for emerging and fast-growing applications in the automotive and industrial end markets.
Global macroeconomic environment remains highly favorable, and we're seeing strong demand from all geographies.
We see an upwards inflection in long-term demand for our products, especially for automotive and industrial end markets.
This inflection in demand is driven by strong traction of our power management products for medium- and high-voltage applications.
We continue to further strengthen our position in imaging market for automotive and industrial applications, and demand outlook for our imaging products continues to strengthen.
We have established ourselves as a strategic long-term partner for our customers, and our customers are increasingly relying on us to meet long-term demand for power management and sensor semiconductor products.
With increasing strategic engagement with us, many customers are now asking us to enter into long-term supply agreements.
Accelerating long-term demand for our products and customer requests for long-term supply agreements necessitate us to increase the level of investments in our manufacturing capacity.
We continue to invest to drive our revenues and margins.
We are also increasing our investments in our captive raw wafer manufacturing capacity in the Czech Republic.
The primary objective of our increased investment in our raw wafer manufacturing capacity is to offset the impact of steep rise in market prices for raw wafers.
This investment should help us expand our margins as we don't expect any moderation in raw wafer pricing for the foreseeable future.
I must point out that we're among a very few semiconductor companies with the capability to manufacture their own raw wafers.
As a result of our increased capital investment, our capital intensity for 2018 and 2019 will likely be in the 8% to 9% range as opposed to our target of 7%.
As I indicated earlier, the increase in capital expenditure is driven by the need to make investments to adjust to higher-growth environment and to further improve our manufacturing cost structure.
We believe that after making higher capital investments in 2018 and '19, our long-term capital intensity should come down to 7%.
Free cash flow generation remains a key priority for the company.
Despite higher capital investments, we expect to generate approximately $800 million of free cash flow in 2018.
We intend to use this free cash flow for deleveraging and share repurchases.
I am very pleased to announce that we have reinitiated our stock repurchase program in the second quarter.
Given our accelerating momentum in key strategic markets and our road map for margin expansion and free cash flow generation, we are very upbeat about our future outlook, and we believe that repurchase of our shares at current price level is a very attractive use of our cash.
Now let me provide you with additional details on our first quarter 2018 results.
Total revenue for the first quarter of 2018 was $1.378 billion, a decrease of 4% as compared to GAAP revenue of $1.437 billion in the first quarter of 2017.
Our revenue for the first quarter increased by 7% as compared to non-GAAP revenue of $1.28 billion in the first quarter of 2017.
Recall that in the first quarter of 2017, we had a onetime benefit of $155 million to our revenue due to the change from sell-through to sell-in revenue recognition.
GAAP net income for the first quarter was $0.31 per diluted share as compared to $0.18 in the first quarter of 2017.
Non-GAAP net income for the first quarter was $0.40 per diluted share as compared to $0.27 in the first quarter of 2017.
GAAP and non-GAAP gross margin for the first quarter was 37.6%.
On a GAAP basis, our first quarter gross margin improved by 260 basis points year-over-year, and our non-GAAP gross margin -- on a non-GAAP basis, gross margin improved by 220 basis points year-over-year.
This strong gross margin performance was driven by solid operational execution and improved mix resulting from higher contribution from our automotive, industrial and server businesses.
With tailwinds from additional manufacturing synergies from Fairchild, mix improvement and portfolio optimization, we expect to make strong progress towards our target model in the current year.
GAAP operating margin for the first quarter of 2018 was 13.5% as compared to 12.7% in the first quarter of 2017.
Our non-GAAP operating margin for the first quarter of 2018 was 15.7%, an increase of approximately 250 basis points over 13.2% in the first quarter of 2017.
On a year-over-year non-GAAP revenue increase of 7% for the first quarter of 2018, our non-GAAP operating income increased by 28%.
This strong operating income performance demonstrates the leverage and strength of our operating model.
GAAP operating expenses for the first quarter were $332 million as compared to $320 million in the first quarter of 2017.
Non-GAAP operating expenses for the first quarter were $301 million as compared to $285 million in the first quarter of 2017.
Operating expenses for the first quarter were higher than the midpoint of the guidance due to higher revenue and increased R&D investments to support newly emerging opportunities in automotive and industrial end markets.
We expect our non-GAAP operating expenses as a percent of revenue to continue to decline for the remainder of the year, and we expect to make strong progress in 2018 towards our target non-GAAP operating expense intensity of 21%.
First quarter free cash flow was $127 million, and operating cash flow was $226.5 million.
Capital expenditures during the first quarter were $100 million, which equate to a capital intensity of 7%.
We continue to delever our balance sheet, and in the first quarter, we used $136 million to pay down our debt.
We exited first quarter of 2018 with cash and cash equivalents of $925 million as compared to $949 million in the first quarter of 2017.
At the end of the first quarter of 2018, days of inventory on hand were 123 days, up by 8 days as compared to 115 days at the end of the fourth quarter of 2017.
The increase in inventory was driven by expectation of continuing strong demand in our products in the near to midterm.
Semiconductor industry supply has been strained in recent months due to a strong demand environment.
And by maintaining an adequate level of inventory in line with expected demand, we want to ensure that we are able to meet our customer requirements.
We expect our internal inventories to decline in terms of days during the second quarter of 2018.
After successive declines in the last 3 quarters, distribution inventory went up in the first quarter.
This increase was driven by expectation of strong distribution sell-through in the second quarter.
We expect distribution inventories to remain within our normal range of 11 to 13 weeks in the mid -- near term.
To mitigate the risk of excessive inventory in the channel, we are proactively managing inventory in the distribution channel.
We have implemented systems to ensure that distributors do not carry more inventory than that is needed to support 11 to 13 weeks of resales.
For the first quarter of 2018, our lead times were up slightly quarter-over-quarter.
Our global factory utilization for the first quarter was slightly up quarter-over-quarter.
Now let me provide you with an update on performance of our business units, starting with Power Solutions Group or PSG.
Revenue for PSG was $693 million.
Revenue for Analog Solutions Group for the first quarter of 2018 was $496 million, and revenue for the Image Sensor Group was $189 million.
Now I would like to turn the call over to Keith Jackson for additional comments on the business environment.
Keith?
Keith D. Jackson - CEO, President and Director
Thanks, Bernard.
First quarter of 2018 was another successive quarter of strong results and solid, all-around performance.
We continue to deliver strong revenue growth along with solid margin expansion and robust free cash flow generation.
Our momentum in key strategic markets continues to accelerate, driven by new products and our exposure to the fastest-growing subsegments in automotive and industrial markets.
We are seeing strong ADAS, LED lighting, machine vision and energy efficiency applications.
With tailwinds from increasing favorable macroeconomic conditions and strong momentum in our business, we are well positioned to make strong progress towards our target financial model in 2018.
Business conditions remain favorable, and demand continues to strengthen across most end markets.
Pricing continues to be benign as compared to historic trends.
We are seeing strong demand for our products in automotive and industrial end markets.
As I've indicated in recent earnings calls, our business today is driven by sustainable secular growth drivers in the fastest-growing semiconductor end markets as opposed to being driven by macroeconomic and industry cyclicality a few years ago.
Through our investments over the last many years in high-growth segments and in highly differentiated products in automotive, industrial and communications end markets, we have radically transformed the nature of our business.
Customers are increasingly relying on us as a key provider of enabling technologies for newly emerging and disruptive applications in automotive and industrial end markets.
The sustained demand for semiconductors over the past several quarters has put pressure on the industry's ability to meet demand.
We expect the strength in demand to continue for the foreseeable future, driven primarily by structural changes in the end market dynamics and a strong global macroeconomic environment.
We expect demand for semiconductors from automotive and industrial end markets to continue to grow at a steady pace for the next few years.
Furthermore, revival of computing end market by artificial intelligence and data centers and emergence of new applications, such as IoT, should result in strong demand for a broad array of semiconductor products.
Given the increasingly strategic nature of our engagement with our customers and generally tight semiconductor industry supply environment, many customers now want to enter into a long-term supply agreement with us.
To ensure that we are well positioned to address our customers' demand, we intend to put in capacity to address areas of strategic thrust in automotive and industrial end markets.
We're also making strong progress in expanding our capacity in our 8-inch joint venture fab in Japan.
As Bernard noted in his remarks, prices for raw wafers have increased substantially in the last few months.
We're among the very few semiconductor device manufacturers with captive wafer manufacturing operations.
We have been able to moderate the impact of rise in cost of raw wafers.
Given our outlook for semiconductor industry growth for the next few years, we believe that prices for raw materials for semiconductor manufacturing will continue to be a challenge for the semiconductor industry.
We are raising our investment to further extend our competitive advantage from our captive raw wafer operations.
With higher level of investments in strategic capacity for fast-growing products and in our captive raw wafer manufacturing operations, we expect to see a rise in our capital intensity for 2018 and 2019.
We expect capital intensity of 8% to 9% for 2018 and 2019, slightly higher than our target model of 7%.
As Bernard indicated in his remarks, this higher level of capital intensity is driven by the need to make investments to adjust to better expected demand for our products.
We expect capital intensity to subside to 7% after 2019.
Our margin performance continues to be stellar.
Our operating model has shown strong operating leverage.
As Bernard mentioned earlier, on year-over-year revenue increase of 7% for the first quarter of 2018, our non-GAAP operating income increased by 28%.
Insourcing of Fairchild's back-end operations remains on track, and this insourcing should drive meaningful margin expansion in 2018 and 2019.
At the same time, mix shift towards margin-rich automotive and industrial end markets and further divestiture of noncore businesses should drive additional margin expansion despite increases in prices for raw material.
Now I'll provide details of the progress in our various end markets for the first quarter of 2018.
Revenue for the automotive market in the first quarter was $445 million and represented 32% of our revenue in the first quarter.
First quarter automotive revenue grew by 8% year-over-year.
For the first quarter, we again saw strong, broad-based demand for most product lines.
We continue to see strong demand for our image sensors for ADAS applications.
With a complete line of image sensors, including 1, 2 and 8 megapixels, we're the only provider of complete range of pixel densities on a single platform for the next generation of ADAS and autonomous driving applications.
We believe that a complete line of image sensors on a single platform provides us with significant competitive advantage, and we continue working to extend our technology lead over our competitors.
Our design win pipeline for ADAS continues to grow at a rapid pace.
We are actively engaged with our ecosystem partners for development of next-generation ADAS systems, and we remain the primary image sensor partner for leading ADAS and autonomous driving technology leaders.
Driven by our technology lead, we are seeing strong traction for our image sensors for ADAS applications in China.
Our silicon carbide development remains on track, and we expect to see silicon carbide-related revenue from automotive market in the second half of this year.
In addition to image sensors, we experienced strong growth in our mixed-signal ASIC, power modules and MOSFETs.
Growth in our LED lighting business continues to accelerate, driven by the ramp of design wins and increased penetration of LEDs in automotive lighting.
Our design win momentum continues to be strong in the automotive market.
As carmakers are increasing focus on reducing carbon dioxide emissions, they're relying on us to provide highly efficient IGBTs and other power management devices.
Revenue in the second quarter for the automotive end market is expected to be up quarter-over-quarter.
The industrial end market, which includes military, aerospace and medical, contributed revenue of $362 million in the first quarter.
The industrial end market represented 26% of our revenue in the first quarter.
Our first quarter industrial revenue grew by a solid 11% year-over-year.
The strength in the industrial market was very broad based with all the subsegments posting robust year-over-year growth.
We continue to benefit from demand for our power modules and power management semiconductor solutions for the industrial markets.
Our power module business for industrial applications continues to grow at a tremendous pace, and we expect this momentum to continue for the next few years as we launch new products with higher efficiency.
With focus on energy efficiency around the globe, our design win pipeline for our power modules continues to expand at a rapid rate, and we expect power modules to be a long-term driver for our industrial business.
We believe that we have one of the most comprehensive industrial power management portfolios, comprising a broad range of devices across the power spectrum.
This portfolio of devices is further complemented by a rapidly expanding portfolio of power modules for a broad range of applications, ranging from alternative energy to commercial air conditioning.
Commercial -- customers are increasingly relying on us as a credible alternative to the current market leader for medium- to high-voltage power semiconductor solutions.
In the machine vision market, we continue to -- our momentum with our PYTHON line of image sensors.
According to Yole Développement, a leading market research firm, ON Semiconductor is the leader in image sensors for industrial applications.
With leadership in industrial and automotive markets, ON Semiconductor has emerged as a powerhouse for most demanding and challenging imaging applications.
As I indicated on previous earnings calls, we continue to develop synergies with our expertise in the automotive imaging market to accelerate our growth in the machine vision market as both of these markets are driven by artificial intelligence and face similar challenges such as low-light conditions, dynamic range and harsh operating environments.
Revenue in the second quarter for the industrial end market is expected to be up quarter-over-quarter.
The communications end market, which includes both networking and wireless, contributed revenue of $240 million in the first quarter.
The communications end market represented 17% of our revenue in the first quarter.
First quarter communications revenue declined by 3% year-over-year due to weakness in the smartphone market, but with higher content and increasing penetration at large global OEMs, we were able to mitigate the impact of softness in the overall market.
Revenue in the second quarter for the communications end market is expected to be flat to down quarter-over-quarter due to softness in the end market demand.
The computing end market contributed revenue of $149 million in the first quarter.
The computing end market represented 11% of our revenue in the first quarter.
First quarter computing revenue grew by 20% year-over-year.
This year-over-year growth was driven primarily by the ramp in our cloud and server business and generally healthier client PC market.
Momentum in our server business continues to accelerate.
As we indicated earlier, we expect our server business to be a meaningful part of our computing business in 2018.
We are engaged with the leading cloud and server players and are working with leading CPU providers on their next-generation platforms.
Revenue in the second quarter for the computing end market is expected to be up quarter-over-quarter due to normal seasonality and continuing ramp in our service -- server business.
The consumer end market contributed revenue of $182 million in the first quarter.
The consumer end market represented 13% of our revenue in the first quarter.
First quarter of 2018 consumer revenue was up 7% as compared to the consumer revenue in the first quarter of 2017.
Revenue in the second quarter for the consumer end market is expected to be approximately flat quarter-over-quarter.
In summary, demand for our products continues to strengthen, and we are putting in additional capacity to ensure that we are able to meet customer demand for the next few years.
At the same time, we are making investments in our captive raw wafer manufacturing capacity to extend our competitive advantage.
Our execution remains solid on all fronts to establish leadership in highly differentiated power, analog and sensor semiconductor solutions.
Customers are increasingly relying on us as a key provider of enabling technologies for newly emerging and disruptive applications in automotive and industrial end markets.
Along with strong revenue performance, we are driving significant margin expansion.
We solidly remain on track to make strong progress in 2018 towards our target financial model.
Now I'd like to turn it back over to Bernard for forward-looking guidance.
Bernard?
Bernard Gutmann - CFO, EVP and Treasurer
Thank you, Keith.
Based on product booking trends, backlog levels and estimated turns levels, we anticipate that total ON Semiconductor revenues will be between $1.405 million (sic) [billion] to $1.455 billion in the second quarter of 2018.
For the second quarter of 2018, we expect GAAP and non-GAAP gross margin in the range of 37% to 39%.
Factory utilization in the second quarter is likely to be down as compared to that of the first quarter.
We expect total GAAP operating expenses of $333 million to $351 million.
Our GAAP operating expenses include the amortization of intangibles, restructuring, asset impairments and other charges, which are expected to be $28 million to $32 million.
We expect total non-GAAP operating expenses of $305 million to $319 million.
The quarter-over-quarter increase in operating expenses in the second quarter is driven primarily by the seasonality of our stock-based compensation grants.
We expect our non-GAAP operating expenses as a percentage of revenue to continue to decline for the remainder of the year, and we expect to make strong progress in 2018 towards our target non-GAAP operating expense intensity of 21%.
We anticipate second quarter GAAP net other income and expense, including interest expense, will be $32 million to $35 million, which includes noncash interest expense of $8 million to $9 million.
We anticipate non-GAAP other income and expense, including interest expense, will be $24 million to $26 million.
Cash paid for income taxes in the second quarter of 2018 is expected to be $11 million to $15 million.
We expect our 2018 cash tax rate to be 10% or lower.
We expect total capital expenditures of $130 million to $150 million in the second quarter of 2018.
We also expect share-based compensation of $24 million in the second quarter -- to $26 million in the second quarter of 2018, of which $2 million is expected be in cost of goods sold and the remaining amount is expected to be in operating expenses.
This expense is included in our non-GAAP financial measures.
Our GAAP diluted share count for the second quarter of 2018 is expected to be 445 million to 447 million shares based on the current stock price.
Our non-GAAP diluted share count for the second quarter of 2018 is expected to be 432 million shares based on the current stock price.
Further details on share count and earnings per share calculations are provided regularly in our quarterly and annual reports on Forms 10-Q and Form 10-K.
For the full year 2018, we expect to generate free cash flow of approximately $800 million.
With that, I would like to start the Q&A session.
Thank you.
And Sara, please open up the line for questions.
Operator
(Operator Instructions) Our first question comes from Chris Danely with Citi.
Philip Li
This is Philip Li on behalf of Chris Danely.
Just wanted to ask you on the higher capital investments for the next calendar '18 and '19.
What is the impact on the model in terms of gross margins, operating margins and other changes to the -- to your long-term model?
Bernard Gutmann - CFO, EVP and Treasurer
It basically should have no impact to that [either way].
As a matter of fact, it will enable us to have more strength and power for revenue growth.
But we're not changing any of our models in terms of margins.
Philip Li
Got it.
And as a follow-up, can you talk about the pricing environment now and how it trended last quarter and how you expect it to trend for the rest of the year?
Keith D. Jackson - CEO, President and Director
Yes, it was much better than normal Q1s that we saw.
So it's very benign.
And we expect that to continue for the rest of the year.
Operator
Our next question comes from Ross Seymore with Deutsche Bank.
Ross Clark Seymore - MD
Keith, I want to talk about the cycle dynamic.
Investors seemingly are increasingly concerned about the semi cycle once again.
I know you talked about in your script that you believe ON is exposed to a lot more secular and a lot less cyclical dynamics, whether it be because of mix or some of these long-term agreements that you alluded to today.
Can you talk a little bit more about why you think you're more secularly exposed?
And what does that mean?
That the cycle won't impact you?
Or is it just a lot less than it did in the past?
Keith D. Jackson - CEO, President and Director
Yes, we're not predicting the end of cycles in the industry.
But there are couple of dynamics now that were not present in the last 2 decades, and that really is the acceleration of dollar content for power in automotive and industrial.
The advantages that are being given in those 2 markets are really significantly increasing the amount of content per unit, which we think gives us a lot of moderation in any cycles that may be coming.
So what we're seeing is just a stronger overall demand for power semiconductors going forward.
Ross Clark Seymore - MD
Great.
And I guess as my follow-up, one for you, Bernard.
I -- basically, both questions are going to be on inventory, internal and external.
If I remember right, you guys thought, at least on the internal side, you'd be flat to down on your days of inventory, and it went up.
And so I just want to see, how is inventory going up as demand is so tight?
And then why did utilization go up in the first quarter but now it's going down in the second?
It seems like there's a lot of mixed messages there.
Bernard Gutmann - CFO, EVP and Treasurer
So the inventory position is we're really trying to position ourselves to have to be able to take advantage of demand.
And as such, we basically ran our factories as very, very high during the first quarter to really position ourselves to have the inventories to serve the markets.
When we talk about the utilization in the second quarter, it's marginally down.
It's virtually flat, so I don't see that as a statistically meaningful change.
It's pretty much about the same level.
Operator
Our next question comes from Vivek Arya with Bank of America.
Vivek Arya - Director
Keith, on automotive, your Q1 growth year-on-year was quite decent, up 8%.
On a sequential basis, it was up about 2%, which I think has been somewhat below the seasonal trends that you have seen.
Any specific reason for that?
And I think as part of that, we also saw image sensors only grow 2% or 3% year-on-year, but you have seen that as a strong growth opportunity for ON.
So if you could give us some more color on what's happening in autos and then in image sensors in terms of these growth rates, that would be very helpful.
Keith D. Jackson - CEO, President and Director
Yes, the image sensor piece overall, we've been managing the consumer part down as a margin play.
And so growth in total was much higher for the automotive image sensors than is reflected there in the division.
The actual sequential for automotive of 20%...
Bernard Gutmann - CFO, EVP and Treasurer
Year-over-year.
Keith D. Jackson - CEO, President and Director
Year-over-year, yes.
So that's actually substantially higher for the -- for that piece of the business.
And then sequentially, there's nothing significant.
There are some shifts in customer patterns that happens from time to time, but there's no significance overall to the sequential.
Bernard Gutmann - CFO, EVP and Treasurer
So also noteworthy is that the fourth quarter sequential was very high.
So we're coming off a very high base.
Where normally fourth quarter is modestly up, it was up more than -- it was about 6% up sequentially.
Vivek Arya - Director
I see.
And then for my follow-up, another one on end markets in communications.
So I think it's generally well understood that there is weakness in some high-end smartphone demand.
Do you think June is sort of the bottom of this cycle and we should start to see more seasonal patterns in the back half?
And if you could also give us some color in terms of where do you think the rebound would come from.
Could it come from your U.S. customers or Korean customers or Chinese customers?
Any color on geography would also be very helpful.
Keith D. Jackson - CEO, President and Director
Yes, we do expect the second half to resume growth very significantly.
We have new model launches from most of the cellphone manufacturers occurring in Q3.
And so therefore, we actually should see a nice pickup in the second half.
Operator
Our next question comes from Chris Caso with Raymond James.
Christopher Caso - Research Analyst
Question on wafer capacity that you're building.
Can you talk about the magnitude of the CapEx there?
And then how much of that raw wafer capacity that you do have internally?
And how does that change with that new capacity that you've put in place?
Keith D. Jackson - CEO, President and Director
So it's approximately a $60 million investment this year and should take our internal capabilities up about 15%.
Christopher Caso - Research Analyst
And what's the cost savings that you get from doing that?
Keith D. Jackson - CEO, President and Director
It should be in the order of 15% to 25% depending on the type of wafers.
Christopher Caso - Research Analyst
Okay.
And just as a follow-up on capacity in general.
Can you talk in general terms, perhaps look at over the last year or so, how much additional capacity you've put in place?
And I know that's a tough question because there's differences between front-end and back-end capacity, but I guess the nature of the question is how capacity has been expanding as related to how demand has been increasing.
Keith D. Jackson - CEO, President and Director
Yes, I could only give you estimates.
That would be calculations I don't have in front of me.
But certainly, we have been adding capacity for the double-digit growth we've been getting.
And so with the exception of the raw wafer capacity, it is all additive to our revenue perspective.
Operator
Our next question comes from Rajvindra Gill with Needham & Company.
Rajvindra S. Gill - Senior Analyst of Microcontrollers, Analog & Mixed Signal; Consumer IC & Multi-Market
Just to follow up again on the wafers.
You talked about that you're one of the few companies that actually have internal manufacturing for raw wafers.
Can you talk a little bit about how that can give you a competitive advantage going forward, both from a cost savings perspective but also from kind of a product delivery?
I mean, I kind of view that as a kind of a unique advantage that you have in the marketplace.
Keith D. Jackson - CEO, President and Director
Yes.
So in addition to pricing going up fairly significantly for external wafers, we also have capacity limitations.
It's a very, very tight market, and I think that's well known.
So we get to protect our top line growth as well as improve our gross margins.
It is not our intention to produce all of our wafers internally, but it is in specialty areas where we think there might be constraints from the industry.
We're making those investments to make sure we're not constrained in our growth and to have a price advantage.
As I mentioned earlier, it's anywhere from 15% to 25% depending on the type of wafer.
Rajvindra S. Gill - Senior Analyst of Microcontrollers, Analog & Mixed Signal; Consumer IC & Multi-Market
Very good.
And Bernard, so the CapEx intensity is increasing.
We've been in a kind of a supply-constrained environment for several quarters actually starting at the beginning of last year.
So I'm just wondering, is the entire industry -- have they underestimated the level of demand that's coming from auto, industrial now that we've had many quarters where we've seen increasing dollar content for auto, industrial, machine vision applications?
I'm just trying to get a sense of -- it seems like the demand environment is coming in much stronger than expected, and this has been happening for several quarters and the industry is trying to catch up as fast as they can.
I just wondered if you could elaborate a little bit on that as well.
Bernard Gutmann - CFO, EVP and Treasurer
So I think we agree with your statement, with your assessment.
Definitely, the demand environment for us has been very strong for those end markets, for automotive and industrial.
And as such, we are trying to make sure we have the capacity to serve those needs.
And we believe we're also gaining share.
So as a result, we are definitely increasing our CapEx investments and make sure that we are in a position to serve those demands.
Rajvindra S. Gill - Senior Analyst of Microcontrollers, Analog & Mixed Signal; Consumer IC & Multi-Market
And do you see CapEx investments increasing across the industry?
Keith D. Jackson - CEO, President and Director
Slightly.
Bernard Gutmann - CFO, EVP and Treasurer
Slightly.
Operator
Our next question comes from Shawn Harrison with Longbow Research.
Shawn Matthew Harrison - Senior Research Analyst
If I may follow up just on the CapEx outside of the raw wafers.
With the Fujitsu investment announced last year and now the increase in CapEx outside of the raw wafers, is there a way to highlight what dollar of CapEx going in would represent in terms of revenue opportunity for you coming out on the other side in terms of just the return on that investment?
Keith D. Jackson - CEO, President and Director
I would say our 7% model we've put in place was for something in the low to mid-single-digit growth rates.
And as we go to the 8% or 9%, we're now looking for something in the high single-digit range.
Shawn Matthew Harrison - Senior Research Analyst
Okay.
And as a follow-up, with $800-plus million of free cash forecast for the -- for calendar '18, that implies, give or take, around $700 million for the rest of the year.
Could you split between buyback versus debt reduction?
Is it a 50-50 split?
Just some type of range we should think about for the next 3 quarters of the year.
Bernard Gutmann - CFO, EVP and Treasurer
No, we haven't given the details on that, but we will continue delevering in a meaningful way and, at the same time, have some share buybacks to have a full picture.
Shawn Matthew Harrison - Senior Research Analyst
Is there a minimum level of leverage that you would not like to go below, Bernard?
Bernard Gutmann - CFO, EVP and Treasurer
At this moment, not really.
Obviously, we don't really want to get to 0. And for that, we need still a lot of money to pay down our debt.
But we're also trying to risk-manage the rising interest rate environment we are currently under.
Operator
Our next question comes from Craig Ellis with B. Riley.
Craig Andrew Ellis - Senior MD & Director of Research
Keith, I wanted to follow up on a couple of comments that were made in the prepared script.
So on a couple instances, the company addressed the long-term demand environment and stated it was very positive and also indicated that customers are interested in long-term supply agreements, which I don't recall hearing in at least the recent past.
So the question is, is one, if you were to engage in more long-term supply agreements, what would that do for manufacturing efficiencies given the visibility you would have?
And two, what would the implications be for pricing?
Keith D. Jackson - CEO, President and Director
So generally, it stabilizes our manufacturing environment, which is more efficient for us so we can plan more level rather than peaks and valleys.
And generally, again, speaking, we would only do this for margin products that enhance our situation.
So the 2 together we see as a very positive move for the company.
Craig Andrew Ellis - Senior MD & Director of Research
Okay.
And how quickly can you move on those deals?
And how material could they be as a percent of revenue?
Keith D. Jackson - CEO, President and Director
So we're moving on them actively all the time, and they would never be more than 50% of our capacity in any market.
Craig Andrew Ellis - Senior MD & Director of Research
Okay.
And then the follow-up is for Bernard.
Bernard, nice to see the midpoint of gross margin guidance at 38%, a real milestone for the company.
The question is, as you look at where the business is from a portfolio optimization standpoint with your carve-outs and bridge inventory built, which, you had been saying last year, was not possible due to the demand environment, where are we on those 2 items as we look out over the next year or 2?
Bernard Gutmann - CFO, EVP and Treasurer
Well, we'll continually look at opportunities for portfolio enhancing and small divestitures where -- that are not strategic and, at the same time, help us from a gross margin point of view.
Don't expect anything big, but we'll continue looking at doing some work in that area.
We continue being in the same situation with the inventory bridge build.
As we talked about earlier, we see demands -- long-term demands being pretty strong.
So at this moment, we are not able to build bridge inventories, but we're getting the fall-through on the incremental revenues, and that's showing up in the gross margin improvement that we have seen historically, and we'll continue seeing it showing through our upcoming guidance of 38%.
Operator
Our next question comes from Harsh Kumar with Piper Jaffray.
Harsh V. Kumar - MD & Senior Research Analyst
Keith, I had a question.
Every time previously we've talked to you and you guys have publicly spoken, you've said you were more tied to macro.
Now it seems like greater than 55%, almost 58% of your revenues are coming from automotive and industrial.
Should we think of you as maybe not so tied to macro and maybe more kind of tied to these end markets?
Keith D. Jackson - CEO, President and Director
So, I mean, clearly, we can't distance ourself from the macro environment.
We are a broad-based supplier.
But even within those 2 markets, there's still an economic tie.
The difference is just the dollar content and how rapidly it's rising, particularly in industrial, for us.
And so that certainly is providing a boost to the overall macro demand.
Harsh V. Kumar - MD & Senior Research Analyst
Fair enough.
And Keith, I wanted to understand the long-term commitments you're talking about.
Would this be that a customer would commit a certain amount of dollars, fixed dollars, that they have to buy per year?
And again, would that not lower your seasonality to some degree?
Keith D. Jackson - CEO, President and Director
So it is for amounts that extend beyond a year.
And it would maybe moderate it slightly but not necessarily.
So we do take into account the customers' patterns into those contracts.
Operator
Our next question comes from Tristan Gerra with Baird.
Tristan Gerra - MD and Senior Research Analyst
Given your outlook for continued strength in demand and tightness, what would be your initial Q3 visibility?
And also, could you talk about any other manufacturing bottlenecks that you see outside of raw wafers, including potential back-end tightness?
Bernard Gutmann - CFO, EVP and Treasurer
So on the visibility, obviously, we don't guide out.
Our normal seasonality for the third quarter is approximately 4% up.
Keith D. Jackson - CEO, President and Director
Yes, just a little color on that.
We would see the handset market coming back in the second half, which is not present in Q2.
So that is what provides some of the impetus as well as the consumer side also increasing in the third quarter.
Tristan Gerra - MD and Senior Research Analyst
Okay.
And then could you remind us of your exposure to China ZTE specifically?
Keith D. Jackson - CEO, President and Director
It is not a significant exposure.
Bernard Gutmann - CFO, EVP and Treasurer
And it is included right now in our guidance for the second quarter.
Operator
Our next question comes from Kevin Cassidy with Stifel.
Kevin Edward Cassidy - Director
In reference to the long-term supply agreement again, the industry has had these in the past.
Is there any changes to the way these can be enforced?
Is this -- these agreements different than in the past?
Keith D. Jackson - CEO, President and Director
Well, I'm not familiar with all of the industry practices.
In our case, they are very much tied to dollar amounts, and so it is not just a number of units.
And therefore, again, we think it leads to a very healthy thing for both companies.
Kevin Edward Cassidy - Director
Okay.
And on the computing segment, with the servers now becoming a bigger portion, can you tell us how much that changed, say, even year-over-year in the first quarter?
How much is server related versus desktop and notebook related?
Keith D. Jackson - CEO, President and Director
In the first quarter results, actually, I don't have that.
Bernard Gutmann - CFO, EVP and Treasurer
It's actually driven by servers.
A big part is coming from servers.
Keith D. Jackson - CEO, President and Director
So mostly -- so most of the change was from servers?
Bernard Gutmann - CFO, EVP and Treasurer
Yes.
Keith D. Jackson - CEO, President and Director
Okay.
So I guess the answer is the delta is pretty much all servers.
Operator
Our next question comes from Harlan Sur with JPMorgan.
Harlan Sur - Senior Analyst
Nice job on the solid execution by the team.
Bernard, you gave us some parameters for OpEx as a percent of revenues kind of second half.
But the other way that the team has always articulated OpEx target is that you'll be growing OpEx at about half the rate of revenues.
Is that another way that we can think about it for 2018?
Bernard Gutmann - CFO, EVP and Treasurer
As you go forward, as a general measurement, that's correct.
We did spend as a percent of incremental revenue a little bit more in the first quarter as we are investing more R&D into automotive and industrial applications.
But as a long-term view, yes, it is still a good -- correct way to look at it.
And we expect, as I said in the prepared remarks, to continue showing improvements towards the 21% as we go throughout the year.
Harlan Sur - Senior Analyst
Great.
And then, Keith, first half of this year, cloud spending is strong.
You talked about new compute workloads, which is clearly also a driver.
You've got pretty upgrade cycle, and we're also seeing some healthy enterprise spending as well.
You saw strong sequential and year-over-year growth in compute in Q1, guiding for strong growth in Q2.
Seems like cloud spending will be strong throughout all of this year.
Is that kind of how you guys see it, continued strength throughout 2018?
Keith D. Jackson - CEO, President and Director
Yes, we do believe that will be the case.
And it really is -- yes, it's all the trends in AI as well as just the general continuation of the server strategies.
Operator
Our next question comes from Christopher Rolland with Susquehanna.
Christopher Adam Jackson Rolland - Senior Analyst
My first question, on the raw wafers, are they only silicon?
Or are you guys doing specialty like silicon carbide?
Are you insourcing that as well?
And perhaps talk a bit more about that ramp that you guys see coming in the second half for silicon carbide.
Keith D. Jackson - CEO, President and Director
The investments include both the pure silicon and specialty wafers.
And so it's the mix that supports our growth.
Christopher Adam Jackson Rolland - Senior Analyst
Great.
And I don't know if you have any details or -- on silicon carbide, perhaps what percent of sales that could be a few years down the road.
Keith D. Jackson - CEO, President and Director
While we are expecting tremendous growth, today, it's a very low percentage.
I would imagine it would show up even with high growth as being something that's in the 4% or 5% range in 3 years.
Christopher Adam Jackson Rolland - Senior Analyst
Great.
And then lastly, just lead times.
Where are you guys now?
Bernard Gutmann - CFO, EVP and Treasurer
So lead times are in the middle teens, and they increased slightly over last quarter.
As we mentioned in previous occasions, we saw a lead time expansion in the first half of last year.
And since then, they have been relatively constant with a slight uptick in the second quarter.
Operator
Our next question comes from Craig Hettenbach with Morgan Stanley.
Craig Matthew Hettenbach - VP
Just wanted to follow up on the long-term supply agreements and just any other context you can provide, particularly as it relates to prior periods of tightness and what the parallel is to that versus what might be different this go-around.
Keith D. Jackson - CEO, President and Director
I think the environment is a little different.
In the past, I would say these were kind of panic reactions to extremely tight markets.
So they don't happen very often.
In this case, our customers are looking out and expecting very strong growth on the power side and also not seeing the attendant capacity increases coming from the marketplace and are looking for more long-term agreements to mitigate both of those things.
Craig Matthew Hettenbach - VP
Great.
And then just as a follow-up on the industrial market and the double-digit growth again there.
Can you talk about just what you're seeing from a demand perspective and then also just a sell-through perspective through the distributions channel?
Keith D. Jackson - CEO, President and Director
So those are -- I don't know if you'll relate it to the industrial piece for the sell-through, but the sell-through on the distribution side is looking much stronger than it did in the first quarter.
And so we're seeing some acceleration in growth as we've entered 2018.
The industrial side, again, it's very broad-based growth, but almost all of it is driven by the need for higher energy efficiency in each of the applications, which gives much more dollar content for us.
Operator
Our next question comes from Mark Delaney with Goldman Sachs.
Mark Trevor Delaney - Equity Analyst
I have 2 questions.
The first is about free cash flow, and I think the company maintained its view for about $800 million of free cash flow this year, but that's despite what you talked about in terms of the higher CapEx requirements, which I think is maybe an $80 million to $90 million incremental headwind to free cash flow.
So can you be a bit more explicit about what would be driving the implied higher view of operating cash flow this year?
Is that flow-through from net income?
Or is there factors like working capital or cash taxes, things like that, that are helping the free cash flow view?
Bernard Gutmann - CFO, EVP and Treasurer
It's primarily from net income with potentially some help from a -- a little bit on cash taxes.
But the primary impact is better growth and fall-through on the bottom -- on the net income side.
Mark Trevor Delaney - Equity Analyst
That's helpful.
Now the follow-up question is about the view of the communications segment for all of 2018.
I think, if I'm not mistaken, Keith, last quarter, you said you thought this segment would not decline this year.
Given what seems like a slower start to the year, is that still the view for the full year?
And I ask to help us gauge the potential magnitude of the pickup in the second half of the year in the comms segment.
Keith D. Jackson - CEO, President and Director
Yes, I do expect the second half of the year demand will offset the weakness here at the beginning of the year, and we do expect to see some of the 5G-type spending toward the end of the year.
And the net of that should be kind of flattish.
Operator
(Operator Instructions) Our next question comes from John Pitzer with Crédit Suisse.
John William Pitzer - MD, Global Technology Strategist and Global Technology Sector Head
So Keith, I just want to go back to the long-term supply agreements.
I think you said in an answer to an earlier question that you'd never have more than half of your capacity in any product area on long-term supply agreement.
I'm just kind of curious if you could quantify the agreements you have in place today either as a percent of capacity or revenue over the lifetime.
And are you getting any sort of prepayments?
Because oftentimes, you'll see that in long-term supply agreements to help offset some of the CapEx needs that you have.
And then just to reiterate an earlier question, these agreements tend to be pretty easy to keep in place when things are tight, a little bit harder to kind of enforce when the industry goes into a less tight supply situation.
So I guess what's your insurance that in a different business environment, you'll get the pricing and the volume commitments that you've asked for?
Keith D. Jackson - CEO, President and Director
Our experience has actually been quite good with customers we engage.
They are respectful of the supply agreements.
They have not yielded disappointments in the past, and we see continued compliance going forward.
As far as percentages, it really is mostly in the power areas, and these are customers that, irrespective of market, are seeing growth in those businesses.
So back to my earlier comments on being more secular, we see the demand increasing even with the economy ebbing and flowing.
John William Pitzer - MD, Global Technology Strategist and Global Technology Sector Head
And then, Keith, my -- as a follow-up, you guys have kind of been pruning your portfolio of lower-margin businesses.
And despite that, you've been able to put up some good growth rates year-over-year for multiple quarters now.
I'm just kind of curious, where are you in that process?
And I guess as we think about the target model, as you get a cost advantage by making more of your own wafers, as you continue to prune the portfolio, why wouldn't there be an upside to the target margins over time?
Keith D. Jackson - CEO, President and Director
Certainly, we are expecting to bring in the date for achievement of the target models.
And then at the Analyst Day next year, we hope to unveil to you how much higher we can go after that.
John William Pitzer - MD, Global Technology Strategist and Global Technology Sector Head
And just as far as pruning low-margin business, are you basically through with that?
Or is there more revenue you'd be willing to give up to -- so as to drive higher margins?
Keith D. Jackson - CEO, President and Director
Yes, no, there's still some more to come this year, then we should be done.
Operator
We do have a follow-up question from Craig Ellis with B. Riley.
Craig Andrew Ellis - Senior MD & Director of Research
I just wanted to touch on one of the things we've been looking for on gross margins.
Bernard, in the past, you said that in the second half of this year, we could expect back-end synergies from your Fairchild acquisition.
Can you just help us understand, when would we expect those to hit?
And over what period should they be benefiting gross margins at the margin?
Bernard Gutmann - CFO, EVP and Treasurer
I expect it to start kicking in, in the second half, as you mentioned, of 2018 and a gradual improvement throughout the second half of '18 and also 2019.
Craig Andrew Ellis - Senior MD & Director of Research
And then just with regards to -- oh, go ahead.
Bernard Gutmann - CFO, EVP and Treasurer
Go ahead.
Craig Andrew Ellis - Senior MD & Director of Research
With regards to CapEx and its linearity with the guidance at 8% to 9% this year and next, should we expect fairly linear CapEx through the year?
Or is there any reason it would be either front-end loaded or back-end loaded in either year?
Bernard Gutmann - CFO, EVP and Treasurer
It's more -- there is lumpiness depending on the delivery of equipment and installation thereof.
So in general terms, we're trying to make it as linear as possible, but there might be ups and downs based on those factors.
Operator
Our next question comes from Vijay Rakesh with Mizuho.
Vijay Raghavan Rakesh - MD of Americas Research & Senior Semiconductor Analyst
Just wondering, on the inventory side, can you give us a color on how much of it is PC, handsets and how much of it are auto, industrial?
Keith D. Jackson - CEO, President and Director
So our inventory profile generally tracks the percentage of our business.
There's not a dramatic change in Q1.
There might have been slightly more handset inventory than normal, but everything else should have been right in line.
Vijay Raghavan Rakesh - MD of Americas Research & Senior Semiconductor Analyst
Got it.
And I'm just wondering, how much of your wafers are now insourced?
And also, on the EV side, you guys mentioned second half ramps.
But are you supplying mostly to U.S. customers or to Chinese OEMs?
If you can give us some color there.
Keith D. Jackson - CEO, President and Director
Okay.
So on the insourcing part, it's less than 50% today of the raw wafers.
And on the shipments in silicon carbide, it will be more China based.
Operator
That concludes our question-and-answer session.
I would now like to turn the call back over to Parag Agarwal for any further remarks.
Parag Agarwal - VP of IR
Thank you, everyone, for joining the call today.
And please feel free to reach out to us with any follow-up questions.
Goodbye.
Operator
Ladies and gentlemen, thank you for participating in today's conference.
This does conclude today's program.
You may all disconnect.
Everyone, have a great day.