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Operator
Good day, ladies and gentlemen, and welcome to our Fourth Quarter 2018 Mettler-Toledo International Earnings Conference Call. My name is Catherine, and I will be your audio coordinator for today. (Operator Instructions) I'd now like to turn our presentation over to your hostess for today's call, Ms. Mary Finnegan. Please proceed, ma'am.
Mary T. Finnegan - Head of IR & Treasurer
Thanks, Catherine, and good evening, everyone. I'm Mary Finnegan. I'm Treasurer and responsible for Investor Relations at Mettler-Toledo and happy that you're joining us this evening. I am joined by Olivier Filliol, our CEO; and Shawn Vadala, our Chief Financial Officer.
I need to cover just a couple of administrative matters. This call is being webcast and is available for replay on our website. A copy of the press release and the presentation that we refer to is also available on the website.
Let me summarize the safe harbor language, which you see on Page 2 of the presentation. Statements in this presentation, which are not historical facts, constitute forward-looking statements within the meaning of the U.S. Securities Act of 1933 and the U.S. Securities Exchange Act of 1934. These statements involve risks, uncertainties and other factors that may cause our actual results, levels of activity, performance or achievements to be materially different from those expressed or implied by any forward-looking statements.
For a discussion of these risks and uncertainties, please see our recent Form 10-K. All of the forward-looking statements are qualified in their entirety by reference to the factors discussed under the captions Factors Affecting our Future Operating Results and in the Business and MD&A of Financial Condition and Results of Operations in our Form 10-K.
Just one other item. On today's call, we may use non-GAAP financial measures. More detailed information with respect to the use of, and the differences between, the non-GAAP financial measures and the most directly comparable GAAP measures is provided in our Form 8-K. I will now turn the call over to Olivier.
Olivier A. Filliol - President, CEO & Director
Thank you, Mary, and welcome to everyone on the call, which we are doing from Switzerland this quarter, which is why we started a little earlier than we normally do. I will start with a summary of the quarter and then Shawn will provide details on our financial results and guidance. I will then have some additional comments, and we will open the lines for Q&A.
The highlights for the quarter are on Page 3 of the presentation. We're very pleased with the strong finish to the year with our fourth quarter results. Local currency sales growth was better-than-expected as demand in our markets remained favorable and we continued to execute very well. Total local currency sales grew 8% in the quarter. We had strong broad-based growth in most of our laboratory and industrial product lines. China had another quarter of excellent growth.
Our sales growth, combined with results from our margin and productivity measures, drove very strong improvements in operating margins. And despite a 5% headwind due to adverse currency and higher tariff costs, we achieved a 15% increase in adjusted EPS in the quarter. All around, these are strong results.
Our outlook for 2019 remains positive but, similar to our comments to you last quarter, we remain concerned about the global economy. We do not see evidence of a downturn in our markets today but macro data and rhetoric surrounding international trade disputes make us cautious.
We remain focused on execution of our growth initiatives and believe we are well positioned to continue to gain share regardless of market conditions. Assuming market conditions remain favorable, we believe we can generate good earnings growth in 2019.
Let me now turn it to Shawn to cover the financials and guidance, and I will come back later with additional comments on our business.
Shawn P. Vadala - CFO
Thanks, Olivier, and hello, everybody. Sales were $817.9 million in the quarter, an increase of 8% in local currency. All growth is organic and we have owned Biotix for more than a year now. On a U.S. dollar basis, total sales increased 5% as currencies reduced sales growth by approximately 3% in the quarter.
On Slide #4, we show sales growth by region. Local currency sales grew 7% in the Americas, 6% in Europe and 10% in Asia/Rest of the World. Sales growth in China increased 12% in the quarter and was strong in both laboratory and industrial products.
Slide #5 shows sales growth for the full year. Local currency sales increased 5% in the Americas, 4% in Europe and 10% in Asia/Rest of the World. Biotix benefited America's growth by approximately 1% for the full year.
On Slide #6, we outline local currency sales growth by product line. In the quarter, laboratory sales grew 7%, industrial increased 10%, while retail decreased 6%. Within industrial, product inspection increased 7%, while core industrial grew 13%.
Turning to the next slide, we show sales growth for the full year by product line. Laboratory sales grew 9%, industrial grew 3% and retail grew 3% in 2018. Biotix benefited lab sales by approximately 2%. All sales growth is in local currency.
Slide #8 provides the P&L for the quarter. Gross margin in the quarter was 58.4% as compared to 58.6% in the prior year. Pricing continues to be a strong contributor to gross margins, but we had headwinds from tariffs, mix and some additional costs associated with our product inspection business and new product launches.
R&D amounted to $36.2 million, which represents a 15% increase in local currency. SG&A amounted to $201.7 million, a decrease of 1% in local currency over the prior year. Increased investments in our field force were offset by cost savings and productivity initiatives as well as lower variable compensation.
Adjusted operating income amounted to $239.7 million in the quarter, which represents an 11% increase over the prior year amount of $216.9 million. We estimate currency reduced operating profit by approximately $5 million. We also estimate tariffs were a gross headwind to operating income by an estimated $5 million. Despite these meaningful headwinds, our operating margin was 29.3%, which is a 140 basis point improvement over the prior year.
A couple of final comments on the P&L. Amortization amounted to $12 million in the quarter, interest expense was $8.8 million in the quarter. Other income, excluding the onetime items I will cover shortly, amounted to $340,000 compared to income of $1.2 million last year. Our effective tax rate was approximately 21.5% in the quarter.
Moving to fully diluted shares, which amounted to 25.5 million in the quarter and is 3% declined from the prior year, reflecting the impact of our share repurchase program. Adjusted EPS for the quarter was $6.85, a 15% increase over the prior year amount of $5.97. On a reported basis in the quarter, EPS was $7.11 as compared to $2.93 in the prior year. Reported EPS included a $0.75 acquisition gain related to our earn-out accrual with Biotix.
As background, when recording an acquisition with an earn-out provision, the initial amount accrued in goodwill as recorded is based upon a Monte Carlo simulation of all possible outcomes. The Biotix acquisition was structured with a large potential earn-out component. While we were very pleased with the Biotix acquisition and expect their operating profit to grow by more than 35% in the first 2 years, they fall short of the earn-out level. As a result, we recorded a onetime noncash gain to reverse a significant portion of the original amount.
Other onetime items in EPS include $0.10 of purchased intangible amortization, $0.14 of restructuring, $0.14 of a true up of the transition tax associated with last year's new tax regulations related to the most current guidance that was published in December, $0.09 of litigation costs and a $0.02 difference between our quarterly and annual rate due to timing of stock option exercises.
The next slide provides full year results for 2018. Local currency sales increased 6%, operating profit increased 12%, operating margins improved 100 basis points and adjusted EPS was up 16%. We are very pleased with these results.
That is it for the P&L, now I will cover cash flow. In the quarter, adjusted free cash flow was $157.2 million as compared with $130.7 million in the prior period. Our working capital statistics remained solid, with DSO at 39 days and ITO at 4.5x. For the full year, our free cash flow is $455.9 million, which represents a 12% increase on a per share basis. We're very happy with this achievement.
Let me now turn to guidance. First, we continue to feel very good about the things we can control, namely our growth and productivity initiatives. We have spoken to you often about our Spinnaker sales and marketing initiatives, our new product launches and our Stern Drive productivity programs. We're confident in the effectiveness of these initiatives and our ability to execute them.
Our guidance for 2019 assumes market conditions remain unchanged. While we ended the year on a strong note, as Olivier mentioned, we are cautious on the global economy. Some economic data points have further moderated over the past few months, but we have not seen an impact on our business to date. We also continue to acknowledge risks associated with the potential impact on the Chinese and overall global economy due to trade and tariff disputes. We will continue to monitor the global economy closely and remain agile to adapt if conditions necessitate.
Next, tariffs. Based on the situation today, we expect a gross negative impact of tariffs of approximately $25 million on an annual basis. This assumes the full 25% tariff rate, which we assume will be fully implemented in March. We estimate tariffs will be a gross headwind to EPS of approximately 3% in 2019 and will have a greater impact in the first half of the year versus the second half. We expect to be able to negate much of the impact of tariffs through price increases and some internal supply chain adjustments.
One question you may ask is, what happens if the tariffs go away? We would estimate a positive impact to full year EPS growth of approximately 1% if the tariffs were eliminated and this would be on a full year basis. We would not recoup the entire 3%, as some pricing and the internal supply chain process changes are tied directly to the tariffs, and therefore, would go away if the tariffs are eliminated.
In addition to tariffs, currency also continues to be a headwind to earnings in 2019, particularly in the first half of the year. For the full year, we would have -- we would expect adverse currency to reduce EPS growth by approximately 1.5%. However, in the first half, it will reduce EPS growth by approximately 3%.
Finally, our tax rate. When we provided guidance in November, we had assumed a tax rate of 21% for 2019. Based on our current expected mix of income, we now expect the effective tax rate for 2019 will be 20.5%.
Let me now cover the specifics. We continue to expect local currency sales growth in 2019 to be approximately 5%. We are increasing our adjusted EPS guidance to $22.50 to $22.70, which is a growth rate of 11% to 12%. This compares to previous adjusted EPS guidance of $22.40 to $22.60.
With respect to the first quarter, we would expect local currency sales growth to be approximately 5.5% and adjusted EPS to be in the range of $4 to $4.05, a growth rate of approximately 7% to 8%. We would expect the headwind from tariffs and currency to approximately -- to approximate 7% in the first quarter and the first half of the year.
Let me also comment on cash flow for 2019. We expect cash flow of approximately $510 million in 2019. This represents a growth of 16% per share. In terms of share repurchases, as we mentioned on our last call, we intend to modestly increase our leverage over the next 2 years through share repurchases and/or acquisitions. We currently expect share repurchases to be approximately $745 million in 2019.
Some final comments on guidance as you update your models. Other income, which is below adjusted operating profit, will be approximately $3.5 million as compared to income of $6 million last year. This line includes pension income, which we expect will be lower this year. We would expect shares outstanding to be approximately 24.9 million, interest expense is expected to be approximately $40 million, total amortization will be approximately $52 million, which includes approximately $13 million of purchased intangible and amortization or $0.40 per share, which we exclude from adjusted EPS.
In terms of currency on sales, we expect currency to reduce sales growth by approximately 2.5% in 2019. For the first quarter, we expect currency to reduce sales growth by approximately 4.5%. We will provide Q2 guidance on our next call but wanted to point out, given the expected impact of tariffs and currency in the first half of the year as compared to the second half, we would expect EPS growth in the second quarter to be high-single digits. That is it from my side, and I'll now turn it back to Olivier.
Olivier A. Filliol - President, CEO & Director
Thanks, Shawn. Let me start by providing some additional comments on our operating results. Our lab business continues to perform very well, with 7% sales growth in the quarter, which was against excellent growth in the prior year. Almost all product lines had good growth, with Analytical Instruments, Pipettes and Process Analytics particularly strong. We're executing well in this business as we benefit from a robust product portfolio, continued investment in field resources and our Spinnaker sales and marketing initiatives.
Last, we'll have tougher comparisons in 2019, but we expect good growth nonetheless. I will have some additional comments on lab shortly, but let me cover the other businesses.
With respect to Industrial, we ended the year with strong sales growth in both core industrial and product inspection. Core industrial had an impressive growth of 13%, with all 3 regions and most product lines showing very good growth. These results reflect solid market demand and good execution.
Product inspection had good growth in the fourth quarter, with 7% local currency growth. This business had been under some pressure for most of 2018 due to very tough comparisons and reduced spending by large packaged food companies. We expect growth in 2019 in the mid-single-digit range, which is below our long-term outlook for this business, as we think it will take some additional time for packaged food companies to return to full investment mode.
The final piece of our company is the retail business, which was down 6% in the quarter based upon the timing of customer activity. Although negative, we are not overly concerned, given that we manage this business for profitability, not sales growth. We also expect a sales decline in the first quarter but expect for the full year that this business is relatively flat.
Now let me make some additional comments by geography. Europe ended the year with strong local currency sales despite a decline in food retailing. Lab had solid growth, while industrial, both core industrial and product inspection, were up strongly. In the Americas, lab had excellent growth. Product inspection was flat, while core industrial was up strongly. Retail was flat.
Finally, Asia/Rest of the World had another quarter of excellent growth. Lab and industrial did very well, while retail was down. China had very strong growth in lab and industrial. One final comment on the business in the fourth quarter is service, which was up 9% for the quarter. We had excellent growth in both lab and industrial, reflecting traction on our growth initiatives surrounding service.
That concludes my comments on the different pieces of the business for the fourth quarter. We're very pleased with how we ended the year.
Let me comment in some more details on our lab business, which has had strong organic growth over the last 3 years. It now represents just over 50% of our business. We're benefiting from a very robust product pipeline. Lab receives a disproportionate amount of our R&D, and our recent and upcoming launches are yielding very tangible results.
Our Spinnaker sales and marketing approaches work particularly well for this business, and we very much leverage cross and value-selling and innovative marketing that drives leads growth.
There are also some market dynamics that are very favorable to our offering to the market. One example in the area of data integrity and specifically, how our instrument control software, LabX, is helping customers ensure compliance and data integrity.
Data integrity is one of the most critical topics in the pharmaceutical industry today, and that's become a hot button issue with the FDA. In particular, the focus is on benchtop instruments, such as balances, pH meters and titrators that do not store data electronically. Such instruments typically use printouts as data records, which of course, can be subject to manipulation. This risk has gotten the attention of the FDA.
Our answer to this challenge is LabX, our instrument control and data management software to control benchtop instruments. LabX supports all of our lab instruments, which represents approximately 40% of the instruments on a typical chemist's benchtop. LabX to well-designed workflows, standardization of validation methodologies and strong data management capabilities can help customers achieve their data integrity objectives.
LabX can also be fully integrated in their LIMS system. LabX, as a fully compliant FDA 21 CFR Part 11 platform, addresses the FDA concerns by providing control to user access, full data traceability and secure data handling across all of these very commonly used product lines in the analytical testing and QA/QC in the pharmaceutical industry.
In addition, customers enjoy significant productivity improvements as the training burden is reduced, as LabX can be standardized across many of these critical benchtop instruments. Most of our balance and analytical Instruments are used routinely in the QA/QC or testing lab. With LabX, data analysis and management are seamlessly integrated into one compliant software solution.
One additional market dynamic is productivity and efficiency in the lab and our One Click approach that allows customers to simplify lab processes and ensure they are being done correctly, all with a simple click. The One Click technology incorporates shortcuts, methodologies and sophisticated analytics into an instrument so workflows can be executed easily and effectively. By combining our One Click approach with our LabX software, our regulated customers can ensure proper method operation and data integrity.
Over the last 3 years, we have expanded our One Click concept to all of our Analytical Instruments. We are now taking the concept to our AutoChem instruments. By pairing One Click analytics with our IC software, we are able to use artificial intelligence to provide high-quality information from large amounts of data with limited user interaction. One benefit is a customer can analyze a reaction in approximately 2 minutes instead of the 2 hours it traditionally would have taken.
LabX and One Click are just 2 examples of the value that our lab offering provides to customers. We believe our laboratory business is well positioned, and we will continue to focus on 5 key customer values: safe results, solid compliance, simple operation, sustainable value and seamless integrated processes. We have been incorporating these values into our products for some time. And while these are simple concepts, we believe they resonate well with customers and provide a compass for our development teams to ensure they bring real value, not just technology to customers.
That concludes my comments on the lab business. In summary, we feel very good about how we finished 2018 and our outlook for this year. Assuming market conditions remain stable, we believe we are well-positioned to generate good sales growth, capital market share and deliver strong earnings growth. That concludes our prepared remarks, and I want to ask the operator to open the line for questions.
Operator
(Operator Instructions) Your first question comes from the line of Ross Muken with Evercore ISI.
Ross Jordan Muken - Senior MD and Head of Healthcare Services & Technology
So maybe just turning to sort of the industrial piece. Obviously, a fantastic quarter. Trying to put that in sort of the context of what we've seen on the PMI side. I'm sure you're watching as well, as well as maybe some of the fears in China. I guess, how are you thinking about kind of that core industrial market?
I mean, it doesn't seem from the reports we've seen from any company so far at least in our -- in this space this quarter that anyone's seen any change. But I guess, as you look at sort of what's happening on the macro, particularly in Europe, maybe lesser in China, how are you sort of putting that full picture together to kind of get a feel for how that business will play out over the year?
Olivier A. Filliol - President, CEO & Director
If I look how we did in Q4, we really saw very good growth across all the regions. It reflects still good market conditions but very much also, the strong execution of the team. We have invested quite some efforts to go off to the attractive segments of the markets.
We have done some resource shifts in certain countries but if I also look at our marketing spending, our sales force guidance, we really support that our focus goes to the industrial segments that are most promising and here, I would name pharma, chemical and food. And less so, the more discrete manufacturing kind of the material plastic, electronics components market.
And that gives me also confidence that in 2019, we still will have good growth, even if maybe there is a certain slowdown in the global economy. Our business today is a different one than -- that we had in the downturn, in the last downturn and that's particularly also true for industrial.
Ross Jordan Muken - Senior MD and Head of Healthcare Services & Technology
That's helpful. And maybe specifically on China, obviously, some noise today out of the government. It feels like there's still just a lot of posturing but we'll eventually sort of get the tariff issue behind us. I guess, as you look at your business there, any discernible change in sort of growth rates for any of the sub-segments in the region? And how are you thinking about sort of the comps in that business over the balance of the year?
Olivier A. Filliol - President, CEO & Director
So far, we don't see a slowdown in China. We delivered very strong results in Q4. We have great momentum in most of the industry segments, but what I said before for industrial worldwide applies also to China.
There are industrial segments that do better than others. Again, pharma, for example, would do very well and we -- but we would have the material or the discrete manufacturing sectors that are certainly impacted in China. And that's a market that today is less relevant for us than it was 10 years ago.
We talked a lot about our Chinese market business mix that changed. We have today, a situation where the lab business is significantly bigger than it was a couple of years ago. And even within the industrial business, we succeeded to grow the PI business to become more significant.
So I feel like we have a more healthy business mix. We have a team very focused on capturing the growth that comes from the industry segments that are growing in China and that are benefiting from the 5-year plans of the Chinese government.
Looking forward, I don't expect the same growth rates out of China as we had. We rather would see a mid- to high single-digit growth in China. Here would see lab to be particularly strong, kind of expect from lab in China, high single-digit. As probably on the industry, it's more the low-single digit range. And then reflecting basically also a slowdown of the Chinese economy, not the same in every segment.
Operator
Your next question comes from the line of Patrick Donnelly with Goldman Sachs.
Patrick B. Donnelly - Equity Analyst
Maybe just on the service side, another nice quarter of high single-digit growth there. Can you just help us think about the durability of the growth? I know it's been a focus internally around things like driving higher attach rate. Can you just help us think where we are in that progression, how much room is left on that front?
Olivier A. Filliol - President, CEO & Director
Indeed we -- I was very pleased about the Q4 results here in service. It's a good reflection of what we did. It's -- I want to highlight maybe also for the full year, I was very happy with service because we did talk to you at the investor conference that we -- our products become better and better and therefore, we sell less spare parts, we have less break/fix.
And the decline in the break/fix, we compensate with higher penetrations for contract business. And we have seen that happening throughout the year, definitely also in Q4. I see also that for example lab service business is doing particularly well, all these things. So the trends in our service business are all pointing to the right direction, and it's a result of the many initiatives that we have.
I would also highlight that the service in percentage of total business has been growing over all these years. If I include consumables to it, it's today almost 1/3 of our total business. So a very attractive mix. I'm happy to see that our internal initiatives are actually delivering.
Patrick B. Donnelly - Equity Analyst
Okay. And then you mentioned the Investor Day, obviously, you guys spend a lot of time there on the product inspection business. Nice to see that bounce back to kind of high single-digit growth. I guess, on the go-forward mid-single-digit growth in 2019, why couldn't there be upside there?
And I know you guys talked a lot about the competitive advantages you have, the opportunity in front of you at the Investor Day. So is it just the market slowing on the food segment? Can you just talk through the growth outlook again a little lower than we've seen historically?
Olivier A. Filliol - President, CEO & Director
It's also related to timing of projects. We -- the product inspection business has also deals that are bigger and then the -- it's a timing question of things how they come together. Then the second factor is the packaged food industry overall and their investment commitments.
We had seen in 2017, for example, very good large orders, global rollouts. '18 was then slower on that one and we have certainly also, a comparison challenge. And in '19, I just don't see it yet that the large packaged food companies are coming back in the same degree with large global rollouts. And that's the reason why we are here a little bit more cautious for the year.
But when I think about mid to long term, I certainly see the product inspection business to come back with very good growth numbers. Particularly, we have a very good competitive positions, we have a leading positions, and so I really see this as a very attractive business in the long term. But then short-term and again 2019, it will be a little bit more challenging. And yes, in that sense, I am happy how we delivered in Q4, but just because we had a good Q4 doesn't make the 2019 here an easy year.
Operator
Your next question comes from the line of Steve Beuchaw with Morgan Stanley.
Stephen Christopher Beuchaw - Equity Analyst
Just a few cleanup questions. I guess one, I wonder if you could just spike out or maybe tell us that you have no need to spike out anything in the quarter as it relates to timing items or projects. Anything that affected the revenue progression 3Q, 4Q, 1Q?
Shawn P. Vadala - CFO
No, I mean -- Steve, this is Shawn. No, I mean, the quarter first of all was -- we're particularly happy to see broad-based growth throughout most of the businesses, not only by products but by regions. Probably, the 2 things that stood out on the positive side from a trend perspective is we had a strong finish to the year in product inspection that Olivier was just talking about.
And then we also had a very strong year in core industrial, which was especially nice to see in each region in the world. I mean, each region really ended the year on a strong note there. And then on the other side of that, our retail business, as expected, was down in the quarter based upon the timing of project activity.
Stephen Christopher Beuchaw - Equity Analyst
Okay, got it. And then just a couple of housekeeping ones. One is, any change to the way you're thinking about the margin impact in '19 from the work that you guys have done on the facility consolidations in Switzerland and around Tampa?
And then, and sorry, just -- I wonder if you could give me a sense for how to think about one other issue and it's you mentioned in the prepared remarks, and thank you for the detail, that in the scenario where the tariffs are resolved, that the guidance would change, it would go higher. And again, thank you for the granularity.
But I'm just a little confused about how to think about that when, at the same time, you mentioned that you assume that the end market conditions are very stable relative to what you've seen in 4Q. And exiting 2018, at least so far, we haven't seen an impact to the tariffs. So I wonder if you could just help me sort of parse that out. Is there potentially some impact from the tariffs that you found ways to offset and so those kind of net out?
Shawn P. Vadala - CFO
Yes, hey, maybe I'll start with the second part of your question, Steve. So just to be clear, when we talk about the impact of the tariffs, we're talking about the direct cost of the tariff. We're not talking about the potential impact on the global economy. And so that's what we're referring to when we talked about in the prepared comments that the gross impact is about 3% of direct cost. But if that went away, then that benefit of going away would be more like 1%.
On the second -- in the first part of your question, in terms of product inspection, were you referring to operating margins or gross margins? I wasn't sure what you meant by that.
Stephen Christopher Beuchaw - Equity Analyst
I was actually more focused on operating margins but both would be -- well, thank you.
Shawn P. Vadala - CFO
Yes, sure. So on the operating margin side, we're looking at a 100 basis point improvement for 2019. I think that's a strong guide from our perspective that certainly factors in some of the benefits we would see from some of the synergies and benefits we would have from the new facility in consolidating the plants.
Similar story on 2019 gross margin. We would see gross margin increasing in the range of about 50 basis points. Of course, there's different puts and takes to that, with a favorable benefit from currency -- I mean, I'm sorry, from pricing, which we would expect to be similar to what I guided last quarter in the 2%-ish kind of a range, offset by the cost of the tariffs, and kind of the rest is probably noise at that point.
Operator
Your next question comes from the line of Brandon Couillard with Jefferies.
Brandon Couillard - Equity Analyst
Olivier, just back on the core industrial business, the 13% feels a lot more early cycle than late cycle. Were there any specific discrete sort of projects that happened to fall in the fourth quarter that sort of contributed to that?
Olivier A. Filliol - President, CEO & Director
No. No, no particular. It's -- and it was broad-based. It was across geographies and so nothing particular there I would highlight and that would explain it.
Brandon Couillard - Equity Analyst
Fair enough. And then just one on the R&D line, the 15% spike in R&D spending in the fourth quarter is a bit of a jump. Just curious to how you're thinking about the new product pipeline for '19 and what segments you feel like you've got sort of the strongest lineup?
Shawn P. Vadala - CFO
Yes. So yes, we are investing heavily in the business. There's a lot of different and great projects that we're pretty excited about. We see stuff in each area of the business. But if we -- probably disproportionally in the laboratory side, we have some really exciting things on the Analytical Instruments business, as an example, but nothing I would highlight in particular.
As you know, we have a pretty diversified portfolio, so no one new product introduction or upgrade moves the needle in isolation. It's just kind of our constant DNA of continuously having these things coming out.
Operator
Your next question comes from the line of Tycho Peterson with JPMorgan.
Tycho W. Peterson - Senior Analyst
A couple follow-ups on margins. I appreciate the commentary on some of the facility initiatives. As we think about some of the other things you've talked about, supply chain adjustments and then also Blue Ocean kind of being in harvest mode, can you maybe just talk about the impact from those 2 dynamics over the course of the year?
Shawn P. Vadala - CFO
For 2019, you mean, Tycho?
Tycho W. Peterson - Senior Analyst
Correct, yes.
Shawn P. Vadala - CFO
Yes, yes. Hey, I mean, it's not like we have a model that says this basis point is from one thing versus the other. But as you know, we have a lot of really, I'd say, exciting initiatives to expand the margins, the pipeline of initiatives is strong as ever. As Olivier mentioned before, we feel really good about the execution in terms of our teams on the different programs.
But I would say, at all areas, whether it's -- pricing had a particularly good fourth quarter, and I feel good about the program entering the year. Stern Drive, as you heard at the Investor Day, over 300 projects, with lots of good things going on there. And then the Blue Ocean program has a lot of really interesting things that we're working on at the moment that I think also positions us even better for the longer term.
Tycho W. Peterson - Senior Analyst
All right. And then I guess, going back to the industrial commentary. I appreciate the fact you didn't any kind of meaningful projects in the fourth quarter. Olivier, are you able to talk at all about kind of the order book activity in January or actually, in the quarter and then January trends at all?
Olivier A. Filliol - President, CEO & Director
Not particularly by January. I think the guidance that we provided you before reflects different early indicators that we have. And you heard Shawn talk about also the business mix that we expect in Q1 and I think it remains very healthy across all the businesses. So I think that supports that the strong industrial number in Q4 wasn't just a spike.
We, in general, feel good about that momentum. But of course, we recognize that industrial overall is more exposed to an economic environment, and that's certainly also the reason that for the full year, I expect a better performance from lab than I would from industrial, but industrial will continue to do well.
Shawn P. Vadala - CFO
And just to be clear, we started the year with a good backlog in industrial and expect a good first quarter there.
Operator
Your next question comes from the line of Derik De Bruin with Bank of America Merrill Lynch.
Derik De Bruin - MD of Equity Research
So I have to ask another Q4 question on this one. Just because some of the other industrial focused companies have mentioned it, did you see any sort of pull forward in demand in Q4 just from customers in the industrial side who were potentially worried about tariff and trade issues?
Olivier A. Filliol - President, CEO & Director
No. Actually, the average transaction size for us is not that high that customers would change their behavior just because of tax or anticipated price increases. Also, we did communicate for example price increases early on. No, I don't see a connection between the 2 things. And as Shawn highlighted, the backlog and indications for Q1 remain solid, so...
Derik De Bruin - MD of Equity Research
Great. And so just one follow up on this one. One of your life sciences tools, peers, when they gave 2019 guidance, they did -- they basically said the same thing, everything looks good. They flagged actually in their comments, some concerns over potentially Europe. Can you sort of talk about the European market and what's going on? I mean, obviously, there's some political uncertainty in the [point] right now, and just would love some of your feedback since you're local there.
Olivier A. Filliol - President, CEO & Director
Yes, yes, yes. Yes, of course, Europe is certainly a region that we look at in a more cautious way, and there are certain countries where the economic forecasts were downgraded in the last couple of weeks, but that doesn't always mean that it's going to directly impact us. And I strongly feel that, for example, the pharma chem industry is still going very well, and we have a very big share of replacement business that is not directly linked to the economic environment.
I always say to our team, we don't need that strong of a GDP growth that we can actually deliver good growth ourselves. And we are very much in that mode, we are still in an investment mode, we are in an offensive mode across the world, including Europe. And it's up to us to compensate maybe some slowdown in the economy and still deliver good results. And so far, all the indications support this statement.
Operator
Your next question comes from the line of Dan Arias with Citigroup.
Daniel Anthony Arias - VP and Senior Analyst
Olivier, maybe on the other side. Can you just expand on the Americas in a bit? It sounds like things are pretty good there and I think Shawn's previous outlook was for growth in the low to mid-singles? How likely do you think a 3% or 4% scenario is at this point? You did 5% off of an 8% year, so coming back to 5% as a comp seems fairly favorable.
Olivier A. Filliol - President, CEO & Director
Yes. First of all, the environment looks healthy for us, good. I am very happy with the results the team has been delivering. I'm very optimistic that we will continue to execute very well. We have some comparisons topics where we need to be a little bit realistic. And we have the retail business that we already called out before that we expect a decline. But absent of that, I actually really feel good about the Americas and I expect again, particularly lab to do very well also in the Americas.
Daniel Anthony Arias - VP and Senior Analyst
Okay. Retail was actually my second question. I mean, I certainly understand your point on what you're trying to do there in terms of profitability. I was just curious if you do have a view on when you think that business might return to growth.
Olivier A. Filliol - President, CEO & Director
I am not going to forecast too much on that one because our focus is really on the profitability. And with that, we remain very selective which projects we pursue. It's also a lumpy business and that's why we feel actually that we should deliver flat sales for the full year. But for example, early in the year, we expect we're going to be down.
And I am not -- it's not a business that we're going to say, okay, we're going to drive it to low to mid-single growth. I actually -- as long as we grow profitability, I'm fine. You need also to know we shift resources and we try to shift resources towards the lab business and industrial business because we see there a sustainable long-term growth opportunity, we see good profitability. And when you shift resources away from a business like the retail business, I want to be cautious then to expect growth mid or long-term. So yes, I hope this is giving you the necessary flavor.
Operator
Your next question comes from the line of Jack Meehan with Barclays.
Jack Meehan - VP & Senior Research Analyst
I was hoping we could start just within the lab segment, if you could give us an update on the pharma customer class. 2018 was a strong funding year, so what the outlook there is for that customer group and how -- historically, how quickly some of the funding gets deployed within that group.
Olivier A. Filliol - President, CEO & Director
So let me -- I take the big picture. I would split pharma and biopharma. Biopharma goes very well. We see a lot of investments. Investment in biopharma that benefits our core lab and also Process Analytics very much. We have, for example, the pipette business that is very much also in biopharma and we see very, very good momentum there.
If we look at the other pharma business, so more the small molecule business, for example, we still have very good momentum and we grow very nicely. But I would also recognize that maybe the investments are not in the same degree as biopharma. But here, we need also to differentiate by geography. You, for example, have still in the emerging markets, China in particular, a good underlying growth rate in pharma and very much so. And so on a global scale, I feel good about pharma and biopharma going forward.
Jack Meehan - VP & Senior Research Analyst
And then just was hoping you could also give us an update on the deal landscape. Given some of the macro uncertainty that you talked about, has there been any change in activity in the funnel? And as it comes to leverage, just the size of things that you would entertain.
Shawn P. Vadala - CFO
Yes, hey, there's no change in our status. I mean, our pipeline's the same as it's been. We still continue to look at things but things also have to be available. But no change in our status or our approach.
Operator
Your next question comes from the time of Dan Leonard with Deutsche Bank.
Daniel Louis Leonard - Research Analyst
Just a couple of quick ones for Shawn. Shawn, first off on gross margins in the fourth quarter. They were a little lighter than we were expecting, given the outperformance on the revenue line. I know foreign currency and tariffs were the headwinds. Was there anything else to explain the bridge on why gross margins were lighter year-on-year? Was there a mix issue or anything else?
Shawn P. Vadala - CFO
Yes, I mean, we still -- there's a couple of things, Dan. So we're still experiencing some of these initial startup costs in the product inspection business that we talked to you about over the last couple of quarters, as well as some related new product introductions that we've also spoke to you about as well.
But one thing that stood out a little bit more in the fourth quarter is we did have some negative mix as we kind of dug into that one. And it was kind of just mix that was granular within businesses. It wasn't like this division versus that division, it was really something at a more micro level. But as you kind of look at some of those topics, maybe the silver lining is that at the operating margin level, those product categories or those businesses actually performed quite well.
Daniel Louis Leonard - Research Analyst
Okay. And then just a clarification. For the tax rate in 2019, did you say 20.5% or 21.5%?
Shawn P. Vadala - CFO
20.5%.
Operator
Your next question comes from the line of Daniel Brennan with UBS.
Daniel Gregory Brennan - Senior Equity Research Analyst of Healthcare Life Sciences
I guess, I wanted to go back to China, if you would, and with this almost, I think, 17% of revenues. And I'm just wondering, given the exposure you have to core industrial in China, could you just help us think about like, what's in that business in China and what the economic sensitivity of it is?
Because I think so far, lab's doing great and most of your peers have discussed really not seeing any impact from slowing economic growth there. But I think the uncertainty, if you will, is just kind of that core industrial business. So if you can help us think about the exposure there and the sensitivity that you're baking into that business.
Olivier A. Filliol - President, CEO & Director
So if I look at the mix today in China, we have about 45% that comes from lab. And then you have industrial, which is roughly 47%. But interestingly, that's quite a change versus 10 years ago, particularly if I look at core industrial.
Core industrial 10 years ago would have been more like 60% as today, it is about 40%. And if I look at this 40% of core industrial, the end-user segments would also be different to what we had in the past. Namely today, pharma, chemical and food are really dominant end-user industries that we are serving.
And as you can imagine, these are the industries that are more sustainable, they should offer very good mid and long-term growth. And I would expect them to be much less exposed to any tariffs or trade impacts.
And that's actually one of the reasons why we feel actually more comfortable that whatever the Chinese economy will do, we will not see the same volatility as we have seen, for example, in 2015 where there was a significant downturn in China, and we were heavily impacted in our industrial business. Lab had reasonable growth at that time but the industrial was very impacted. But as I described before, our industrial business is today, different and I feel more comfortable going forward on this.
Shawn P. Vadala - CFO
Yes. And if you were to take like our laboratory business in China and add the faster growth segments of industrial, it's about 2/3 of our total Chinese business.
Daniel Gregory Brennan - Senior Equity Research Analyst of Healthcare Life Sciences
Great. And then just as a follow-up. I'm sorry, it's another kind of macro question, if you don't mind. But just given your comments, Olivier, that you haven't seen any impact to date but you're continuing to look at a lot of the tea leaves that are out there and kind of highlight the cautiousness that potentially could occur.
So are we to take that your guidance for mid-single-digit growth this year, and if I look what IMF is forecasting, who knows if The Economist can even come close to being right, but I think IMS and even our firm is forecasting it, maybe 0.2, 0.3 percentage point decline in economic growth. Is that what's kind of baked in? I know it's probably not that granular but is that the level of what's baked in to mid-single-digit? Or is your cautiousness seeing something even potentially worse?
Olivier A. Filliol - President, CEO & Director
No, it doesn't imply something abruptly worse. It is rather a steady situation. And it implies that we continue to execute well in this steady environment and we continue to take market share. If the economy would take a downturn from the current steady state, I would still expect us to gain market share. But we would probably have a hard time to deliver this kind of growth that we are guiding you.
But we don't see in our numbers any early negative indicators. And with what the forecasts are out right now from The Economist, we feel comfortable with our guidance.
Operator
Your final question comes from the line of Steve Willoughby with Cleveland Research.
Stephen Barr Willoughby - Senior Research Analyst
I think 2 things for you. First, Shawn, you commented about tariffs earlier. Can you just walk us through some of the moving pieces if tariffs stay at 10%? I know you're assuming that they'll go to 25% but you talked about if they went away. What happens in terms of the impact or flow through, if they stay at the current 10%?
Shawn P. Vadala - CFO
Yes, so -- yes, thanks, Steve, for the question. So -- and just to clarify, there's two tranches of tariffs. The first tranche is at 25%, it's the second tranche that started at 10% and is still at 10%. If we look at that and kind of model out what if it stays at 10%, the benefit to EPS on a full year basis would be approximately 0.5% of EPS as opposed to the 1% if they all went away.
Stephen Barr Willoughby - Senior Research Analyst
Okay. So following up on that then, just trying to think through the changes in your EPS guidance. Based on my math, it looks like less worse FX is about $0.10. You're guiding to a slightly lower tax rate, which is about maybe $0.15.
And then you previously assumed that the tariffs would jump to 25% as of January 1, which obviously hasn't happened yet, so that's some extra earnings here in the first quarter versus what you might have been thinking 3 months ago. So I'm just trying to put those pieces together and then get to the only $0.10 increase in the full year guidance.
Shawn P. Vadala - CFO
Yes, sure. No, I understand the question. Probably, I mean, maybe I'll start with maybe the simplest way to think about the guide and then I'll kind of acknowledge some of the puts and takes. So probably, the easiest way to look at it is we maintained our growth rate of 11% to 12%.
In terms of like, kind of some of the puts and takes, we had our beat for Q4. Yes, we had the tax benefit that you mentioned. On the other side, we also had pension -- less pension income for 2019. That's largely related to the lower asset returns that was impacted by global equity markets in the fourth quarter, particularly in the month of December that kind of went the other way on us.
In terms of your comment on tariff delay -- I mean, keep in mind that's only January and February that's maybe $0.02 to $0.03, so it wasn't a significant consideration for us.
And then in terms of currency, the currency, you're right, there's probably modest benefit today if we looked at where currencies were 3 months ago. But a lot of that has been volatility that's evolved over the last couple of weeks. And at this point in time, we just think it's prudent to be a little bit cautious on that one, and we just kind of see how the currencies play out here and then we kind of update accordingly as we kind of get into the first-- after we get into the first quarter.
Operator
And there are no further questions at this time.
Mary T. Finnegan - Head of IR & Treasurer
Thanks, Catherine, and thanks, everyone, for joining us tonight. As usual, if you have any questions, don't hesitate to reach out. We are in Switzerland, so please send us an e-mail. We're happy to get back to you. Take care. Bye-bye.
Operator
Ladies and gentlemen, this concludes today's conference call. You may now disconnect.