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Operator
Good day, ladies and gentlemen, and welcome to the Q3 2018 West Pharmaceutical Services Earnings Conference Call. (Operator Instructions) As a reminder, today's conference is being recorded for replay purposes. It is now my pleasure to turn the conference over to your host, Mr. Quintin Lai, Vice President of Investor Relations. Please go ahead.
Quintin J. Lai - VP of Corporate Development, Strategy & IR
Thank you, Haley. Good morning, and welcome to West's Third Quarter 2018 Conference Call. We issued our financial results this morning, and the release has been posted in the Investors Section on the company's website located at www.westpharma.com. This morning, CEO, Eric Green and CFO, Bernard Birkett, will review our results, provide an update on our business and provide an updated financial outlook for the full-year 2018. There is a slide presentation that accompanies today's call, and a copy of that presentation is available on the Investors Section of our website.
On Slide 2 is the Safe Harbor statement. Statements made by management on this call and in the presentation contain forward-looking statements within the meaning of U.S. federal securities law. These statements are based on management's beliefs and assumptions, current expectations, estimates and forecasts. There are many factors that can influence the company's future results that are beyond the ability of the company to control or predict.
Because of these known or unknown risks or uncertainties, actual results could differ materially from past results and those expressed or implied in any forward-looking statement. For a nonexclusive list of factors which could cause actual results to differ from our expectations, please refer to today's press release, as well as any further disclosures that company makes regarding the risks to which it is subject in the company's 10-K, 10-Q and 8-K reports.
In addition, during today's call management will make reference to non-GAAP financial measures, including sales at constant-currency, organic sales growth, adjusted operating profit, adjusted operating profit margin and adjusted diluted EPS. Reconciliations and limitations of the non-GAAP financial measures to the most comparable financial results prepared in conformity to GAAP are provided in this morning's earnings release.
I'll now turn the call over to West's CEO and President, Eric Green.
Eric M. Green - CEO, President & Director
Thank you, Quintin. Good morning, and thank you for joining us today. This morning, we reported our third quarter performance. We had solid sales growth in our Proprietary Products segment and another quarter of strong growth for Contract Manufacturing. We generated 13% growth in adjusted EPS despite a difficult year-over-year comparison. Bernard will go over the detail later in the call.
As we look to the remainder of the year, we expect that high-value product sales will continue to drive growth in the Proprietary Products segment, and as mentioned on past calls, we should see a moderation in Contract Manufacturing growth due to a strong fourth quarter last year with greater than normal tooling revenues.
And Slide 4, shows our organic sales performance by quarter across both segments of our business. In the third quarter, we had organic sales growth of 9.6%, the highest level in the past 2 years. We had another outstanding performance in our Contract Manufacturing segment and our Proprietary Products segment grew high single digits, despite softness in Biologics.
Let me provide greater detail of the individual proprietary market units, starting with Biologics. The performance in Biologics was driven by 2 factors. First, as discussed in the last call, we have a couple of customers that are working off of inventories that were built in preparation for drug launches, while others have made the decision to upgrade to a higher-value product and need to work off their current quarter inventories. These are timing issues, and we expect a return to more typical ordering patterns through 2019 and anticipate stronger, high-value product sales as a result.
Second, our self-injection delivery devices contributed to lower than expected commercial sales. As the supplier to drug companies, our success is ultimately, correlated with our customers' commercial success. We have a number of new development programs in the works. And as they progress into commercialization, our growth will be associated with a more diverse group of drugs and that should lead to more consistent sales performance. That said, we continue to see growth with many customers who are purchasing the high-value components for the new Biologic drugs. We know that customers are looking for high quality, reliable and readily available solutions to contain and deliver their large molecules. And this quarter, we saw double-digit growth in high-value product categories such as Westar RS and RU and NovaPure.
The fact that our overall business can offset softness in our Biologics unit, and still generate 9.6% overall organic sales growth in Q3, is a testament to our robust product and service offerings and the diversity of our customers we serve.
Our Generics market unit grew mid-single digits in the third quarter and is on track to finish the year strong. This growth is driven by volume and high-value product conversions and the long-term outlook is positive. We see growing interest in our AccelTRA components program. We have sampled more than 100 customers and secured our first commercial sales. The pharma market unit grew strong double digits. As a reminder, we believe the underlying pharma market volume growth is in the low single digits. So the mid-teens growth we saw this past quarter is atypical.
Driving this impressive result was a number of factors, including: high-value product conversion success, increased adoption of our Vial2Bag products in the hospital setting and a favorable year-over-year cost due to inventory destocking activity last year. In pharma, we expect to finish 2018 on a solid growth trajectory.
Turning to Contract Manufacturing. We had another stellar quarter with 20% organic sales growth. This growth was driven by continued escalation of demand for diabetes-related diagnostic and drug delivery devices, which reflects strong patient demand in the market. As a result, we expanded capacity sooner than originally anticipated, and we're seeing the results of that effort in our performance this year. We expect overall Contract Manufacturing sales in Q4 to remain around Q3 levels as we continue to address this increased demand.
Turning to Slide 5. I want to give you an update on our self-injection delivery platforms, SmartDose and SelfDose. With an FDA approval and 2 years of performance data in hand, we have proven that SmartDose is a viable delivery device for large volume and highly viscous drugs. We have 2 SmartDose customers commencing clinical trials, multiple ongoing development projects as well as several feasibility agreements that have recently been signed.
Earlier this year, we had the first commercial launch of a drug using the SelfDose patient-controlled injector. We're pleased with the post-launch reception from customers, which has resulted in increased development activities. We have learned a few lessons over the years as we work to bring our self-injection delivery devices to market. First, customer interest for self-injection platforms continues to grow. And feedback in our proprietary device technology to address this market need has been well received.
Second, the development cycle is long and regulatory hurdles are high. Our teams have demonstrated the ability to work with our customers to help them successfully bring these innovative combination products through the regulatory approval process and into the hands of patients. And finally, long-term commercial success of our devices will depend on the commercial success of our customers' drugs, so showing a diverse and broad commercial base and product portfolio, which we're doing, is key to long-term success.
We remain confident that along with the expansion of our component offerings and administration systems, our device strategy will allow us to continue to meet the future needs of our customers.
Turning to Slide 6. We announced at the 2 recent major industry conferences, the launch of our Integrated Solutions Program. We have talked about how much complexity exists when bringing a combination product to the market. Our customers operate in highly regulated markets and the amount of testing and support services required to gain approval is challenging. At West, we have expertise that is unrivaled in the industry, which can help our customers simplify the journey throughout the drug development cycle. We have bundled these services in a comprehensive offering that is complementary to our high-value product and device strategy. We have received positive feedback from our customers since our launch and look forward to bringing this Integrated Solutions Program to our full customer base.
With a solid Q3 behind us, we're reaffirming full year 2018 guidance and are focused on finishing up the year strong by executing on our market-led strategy. We are addressing our customers' unique needs with both our products and also with the services and technical expertise that West can deliver. And our One West management system is driving improved gross margin and optimized capital spending, in addition to delivering innovative manufacturing strategies that have led to better service to customers. We are early in our journey, but are confident that this global operation system will continue to yield benefit to West and to our stakeholders.
Now, I'll turn it over to our CFO, Bernard Birkett, who'll provide more detail on our financial performance and our long-term outlook. Bernard?
Bernard J. Birkett - Senior VP, CFO & Treasurer
Thank you, Eric, and good morning, everybody. So now let's review the numbers in a little more detail. Our financial results are summarized on Slide 7 and the reconciliation of non-GAAP measures are described in slides 12 to 16. In continuing to deliver on our objectives, we are pleased to report for the third quarter: Reported net sales of $431.7 million, representing continued strong top line growth of 9.6% on a constant currency basis. Gross profit of $135.6 million is $10.5 million or 8.4% above Q3 of 2017. Adjusted operating profit of $63.1 million was slightly above Q3 '17's $62.9 million. Other income in 2017 include a $9.1 million cost reimbursement of the safety technology we licensed to a third party. This is approximately a 17% increase excluding the Q3 '17 license gain. And adjusted diluted EPS of $0.76 as compared to $0.67 last year, representing EPS growth of approximately 13%.
Excluding the impact of stock option exercise tax benefits from both periods and the license income of $9.1 million included in Q3 '17, adjusted diluted EPS grew approximately 27%.
Taking a deeper dive into our sales performance, we have seen sales growth in each of our business segments.
Slide 8 shows the components of our consolidated sales increase. As already highlighted, consolidated third quarter sales were $431.7 million, an increase of 9.6% over Q3 2017 at constant exchange rate. Proprietary Products sales increased 6.6%. Price increases accounted for 1.5% of the sales increase. Our high-value product sales increased to mid-single digits. Sales growth was led by our pharma market unit, which had double-digit sales growth in the current quarter.
Generic market unit sales growth was in the mid-single digits. Sales to biologic customers showed a mid-single-digit decline over the prior year quarter, as Eric has noted. Our high-value products represented 59% of Q3 2018 sales, approximately the same level as achieved in our Q3 2017.
For the full-year 2018, we expect mid-single-digit sales growth in high-value products.
Contract-Manufactured Products net sales increased by 20.1%. New product launches in late 2017, particularly in our Dublin and Arizona facilities in support of diagnostic and delivery systems for treatment of diabetes, are driving much of the increase in sales. So let's take a look at margin performance.
Slide 9 shows our consolidated gross profit margin for both Q3 2018 and 2017 of 31.4%. Proprietary Products third quarter gross margin of 37% was 120 basis points above the margin achieved in the third quarter of 2017. This continued improvement in gross margin is primarily due to mix, production volumes and efficiencies coming from our cost down operational strategies and One West management system initiative, which more than offset the $2.7 million overhead cost increases in Waterford. The Waterford facility generated its first sales of commercial product in Q3, and we expect continued improvement in operational efficiencies as our utilization of this facility increases.
Contract Manufacturing third quarter gross margin was 14.3%, decreased by 200 basis points compared to the prior year quarter. However, margins increased over Q2 '18 in line with our expectations and comments on our Q2 call. The decrease in margins is principally due to startup costs associated with launching new programs and idle capacity at facilities undergoing restructuring and product transfer activities.
We have continued confidence that Contract Manufacturing margins will improve further in the fourth quarter and on into 2019 as we complete our restructuring activities, continue to improve our efficiency and utilization levels and deliver on the new customer programs.
Q3 2018 consolidated SG&A expense increased 3.7% versus the prior year quarter. As a percentage of sales, third quarter 2018 SG&A expense was 15%, a decrease of 70 basis points as compared to the third quarter of 2017 and in line with our expectations.
Slide 10 shows our key cash flow metrics. Operating cash flow was $215.4 million for the first 9 months of 2018, an increase of $33.6 million compared to year-to-date 2017. Part of this improvement is the non-recurrence of the $20 million voluntary pension contribution made in the prior year. Our year-to-date capital spending is $74.7 million, $26.6 million or approximately 26% lower than a year ago as we have completed our major construction projects in Ireland.
Now let's review some balance sheet takeaways. Slide 10 also shows our cash balance at September 30 of $297 million, and was $61 million more than our December 2017 balance, an improvement of approximately 26%.
Debt at September 30, 2018 of $196 million is roughly the same level as at year-end and on a net debt to total invested capital ratio basis, we are completely delevered. Working capital of $561 million at 30th of -- September 30 was $97 million, higher than at year-end. In addition to the increase in our cash balance -- balances, which represented 63% of the increase, most of the remaining increases in receivables related to the growth of our business and an increase in our daily sales outstanding metric. We have seen improvements in our inventory metrics as our days in inventory have reduced by approximately 8%.
As we consider Q3 results and look to the end of the year, we have reaffirmed our sales and adjusted diluted EPS guidance for 2018, which is summarized on Slide 11. We are reaffirming our full year sales of $1.72 billion to $1.73 billion and adjusted diluted EPS guidance of $2.80 to $2.90. We anticipate Q4 sales in our proprietary business to be in mid-single digits and Contract Manufacturing sales approximately even when compared to Q4 '17. Recall that Contract Manufacturing recorded large tooling sales in Q4 '17, as we prepared for the 2018 increases in our Contract Manufacturing business.
Fourth quarter gross margins for the proprietary business should be consistent with our year-to-date '18 performance, while we expect improved margins in our Contract Manufacturing segment.
Our projections continue to anticipate a euro exchange spot rate of $1.15 per euro for the remainder of 2018. For the first half of 2018, we used $1.20 per euro. The lower end of the adjusted diluted EPS guidance range reflects the company's expected performance and $1 million of tax benefits from stock compensation in the fourth quarter of 2018.
We continue to expect our 2018 full year effective tax rate to be in the range of 24% to 25%, excluding the impact of the tax benefit from option exercises. We are also revising our capital spending guidance. The new range is expected to be in a range of between $110 million and $120 million, which is below the prior range of between $120 million and $130 million. Approximately half of our planned capital spending is dedicated to advanced manufacturing growth and innovation initiatives with the remainder on normal maintenance, replacement and information systems.
So to summarize the key takeaways from the quarter: continued strong consolidated sales growth; an 8% increase in gross profit; strong growth in adjusted diluted EPS over Q3 '17, together with strong operating cash flow growth; the completion of our restructuring activities; the ramp-up of production on new customer programs and the increased usage of our Waterford facility bodes well for West's future profitability.
I'd now like to turn the call back over to Eric Green.
Eric M. Green - CEO, President & Director
Thank you, Bernard. With a strong Q3 completed, we have good momentum to finish 2018 and a solid foundation to build upon for next year. We will share our guidance for 2019 at our year-end call in February. We are focused on initiatives across the company to support our vision to be the world leader in the integrated containment and delivery of injectable drugs. Focused execution of our market-led plan will result in above-market organic sales growth, gross and operating margin expansion, EPS and free cash flow growth and ROIC expansion. We have a great team, and we are well positioned to deliver on our commitments to our customers, patients and to shareholders for both the short and long term.
Haley, we're open to take questions.
Operator
(Operator Instructions) Our first question comes from Paul Knight of Janney.
Paul Richard Knight - MD, Head of Healthcare Research & Senior Equity Research Analyst
Could you talk to the capacity utilization right now in Ireland? Are you at 5%, 10%? What do you want to be next year? And then overall, new products, obviously, hitting your organic number. What are -- would you highlight as some of those new products picking up this organic pace?
Eric M. Green - CEO, President & Director
Great. Thanks for the questions which are, thinking about the investments we made in Ireland is really twofold. One is in Waterford. We had our first 2 shipments, 2 different products. One is high-value product finishing. The other one is the products used in the diabetes care market. Those particular products shipped out at the end of Q3, and as you can imagine, utilization of that plant is very low at this point. And so over the next coming quarters, we'll continue to transfer product into Waterford, but also new projects customers have asked us to take on, especially around the Westar Select. Up in Dublin, we have expanded, as you know, in our Contract Manufacturing site. We have new technology put into the facility, particularly focused on diagnostics and diabetes-related delivery devices. I would say, at that point in time, we're built -- we're ramping up. We're clearly nowhere near 100%, I would say more around the 50% range at this point in time. And we have room for additional growth of those -- of that particular plant. So two stories really for the different locations. From a new product point of view, Paul, our growth -- the high-value product is the core fundamental growth of West. And what we continue to see is our teams in the market units are putting together very clear value proposition. They use AccelTRA as an example. I can tell you that the expectations of the customer uptake on samples and discussions with our customers is far out -- exceeding our expectations at this point. I think we resonated very well in the generic space. We're also having -- expanding our NovaPure product portfolio, such as syringe plungers, and also looking at more capacity. From a device point of view, we just started the early turning on SelfDose, but the level of interest continues to climb. We're very confident that SelfDose will have -- be another growth driver in our high-value products in the near future. And I can't take -- miss the opportunity to say the SmartDose is also -- the increase is really taking off. The last story, the administration systems. The Vial2Bag, the capacity put in Puerto Rico where first shipments are coming out this quarter, it's more of a pull versus a push. So I'm very confident that that administration systems will drive another lever of growth in our proprietary portfolio.
Paul Richard Knight - MD, Head of Healthcare Research & Senior Equity Research Analyst
And your tax rate guidance is centered around a preoption or a prestock expense, right?
Bernard J. Birkett - Senior VP, CFO & Treasurer
Yes.
Paul Richard Knight - MD, Head of Healthcare Research & Senior Equity Research Analyst
What would you -- is there any guidance range you would provide post stock expense? Or is that like too difficult?
Bernard J. Birkett - Senior VP, CFO & Treasurer
That's difficult for us to determine because it's completely outside of our control. [That's] people exercising options. On a ballpark, we're estimating about $1 million potential impact, again, that's for Q4. But again, that's something that's hard for us to predict.
Eric M. Green - CEO, President & Director
Paul, one of the -- if you look back, Paul to 2017, the impact on our EPS is about $0.44 based on the stock-based comp. And if you look at year-to-date, what we've produced today in our results, this is about $0.18. So it gives you kind of the large swing that we've had over the last 2 years on the stock-based compensation tax benefit.
Operator
Our next question comes from David Windley of Jefferies.
David Howard Windley - Equity Analyst
Eric, in the past, the out year longer-term guidance commentary, I guess, specifically, for the next year on the third quarter call has been a little more specific in regard to the 6% to 8% growth range. And I was curious about kind of the changing characterization of that. And does that mean -- should we read into that that there is any, say, maybe not changing your outperformance of the market, but a change in your view of the underlying market or something like that, that prompted the kind of different characterization there?
Eric M. Green - CEO, President & Director
When I look at the, what we've historically talked about the financial construct for West, I've seen no change in -- in sort of thinking about the overall performance of the company from the top line and also from a margin expansion point of view. So at this -- what we've decided, especially with Bernard new to the organization, is take the opportunity to really think about, let's finish the year strong for '18, and we'll give clear guidance in the early part of '19 on how we look at that full year, but also well beyond that.
David Howard Windley - Equity Analyst
Okay, got it. And then Bernard, I think you maybe touched on components of CapEx in the end of your prepared remarks. But if I missed some of those, I apologize, but can you speak to kind of the sustainability of the lower level of spending that you are seeing in 2018? I think management has commented about kind of the major building projects being done. And how should we think about CapEx demands kind of longer term?
Bernard J. Birkett - Senior VP, CFO & Treasurer
Yes. If we're looking at longer-term, we're not planning to do any major construction projects or anything in the short- to medium-term future. So obviously, that has an impact on the level of CapEx that we're going to have and the guidance that we've given on a -- particularly for '18, and I would look into '19. And we'll firm up the numbers for '19, as Eric said, when we give overall guidance. But that -- that's one of the major drivers there that we don't really foresee those large building projects. And also, we're really focused on -- focusing on utilization of the existing asset base that we have and driving more out of the investments that we've already made. So again, not looking to add really large amounts of CapEx. When we look at CapEx, we divide it into 3 areas. We're looking at maintenance, which is probably just under 50%. And then the balance really focused on growth and investment in our IT systems.
Operator
Our next question comes from Larry Solow of CJS Securities.
Lawrence Scott Solow - MD
Very nice quarter considering, obviously, that the Biologics was a little bit less than expected. I think you sort of guided towards or at least we were expecting sort of high single, even low double and that came in a sort of the mid-single-digit sales decline. You called out the -- obviously, the slower, it sounds like one particular product on the self-injectable, is that right? And then, obviously, the continuance of the inventory destocking, I guess, that's just going on longer than expected. Is that sort of the two variables that or the difference from what you originally expected in this?
Eric M. Green - CEO, President & Director
Yes, Larry, that's correct. When we think about the self-injection, it is really around the SmartDose at this -- today. And -- but when we start to think about looking in the out years, we still remain confident. And that's just the product that's in commercial phase, but there's several development agreements that we have in place that we're working towards. So it gives us confidence about the future opportunity with SmartDose. In regards to the core elastomer high-value products, we've worked with a few customers on transitioning from existing configuration to a future state configuration. And in order to do that appropriately, we're seeing them destock and then ramp-up. I can assure you that one of those customers, their entire injectable medicine portfolio is on West -- or West is on their entire portfolio. So we're confident of the future growth, it's just the timing. I just want to confirm our perspective, the biologic units is significantly less than 10% of number of units we produced in our proprietary business unit. So you can imagine, a shift with one large customer has a significant impact on the volume component. But we're close to these customers. We're confident for long-term viability and success.
Lawrence Scott Solow - MD
So you are confident that sort of -- it sounds like Q4 will see similar declines and then you're -- but it seems like you're confident that you'll get a rebound in '19? Is that fair to say? What's your visibility on that?
Bernard J. Birkett - Senior VP, CFO & Treasurer
We're expecting to see some improvement in the fourth quarter. So we wouldn't be looking at another decline. And then we are expecting to see growth rates ramp as we go through 2019.
Lawrence Scott Solow - MD
Okay. And then just a follow-up on that. Your margins actually did okay, all-in considered, actually had a year-over-year 100 bps gain, I believe, or a little more than that on the proprietary side. That, despite the slower biologic sales. As we look out, assuming the biologics do return to sort of normalized growth and you get some better overhead capacity absorption coming out of Waterford, fair to say that maybe, as look out in '19 or maybe even '20, you can get even a larger than normal or better pick up on margin -- on the margin side?
Eric M. Green - CEO, President & Director
Yes, Larry, that's a great question. When I look at where we are today, and we can talk about some of the pressures we had in 2018, particularly, on contract manufacturing, the top line is growing extremely fast, but the margin expansion was not there, actually contracted. And that was really due to startup costs associated with bringing on people and facilities. And frankly, our customers asked us to pull forward and manufacturing more volume today than we would have a few quarters down the road. That's why we've got such a high growth rate. And because the demand for their products in the market is exceeding what we can supply at this point in time. So it's a good situation, but we had growing pains with getting the facilities up and running in the last couple of quarters and we're working through that in Q4. And we will be back to more steady state going into 2019. So it's one of the pressures that we have. But I also want to comment that this One West system that we put in place over the last year, 1.5 years through our global operations, is gaining traction. I mean, when you start thinking about the propriety having over 100 basis point expansion in the margin with the softness in Biologics, which tends to be the highest margin portfolio we have, gives you a clear indication of how much traction we can gain by continuously leveraging this mindset of truly looking global and leveraging our existing asset base. So while there might be a few headwinds we may face in the future, we'll overcome them through these initiatives we have in place and continue to see the margin expansion throughout our business.
Lawrence Scott Solow - MD
Okay, great. And then lastly, on your restructuring efforts, those still -- any changes there, still sort of in line with your expectations and still expect to get, I think you said, $0.10 to $0.15, I forgot the exact numbers, but savings by the year-end '19?
Eric M. Green - CEO, President & Director
Yes. So when we look at the programs that are put in place and the team that's leading that, they are hitting their milestones. So I'm confident that we'll continue to see the consolidations take place. We'll work with our customers to ensure a smooth transition as we move couple of plants to other locations. So we're on track.
Operator
Our next question comes from Dana Flanders of Goldman Sachs.
Dana Carver Flanders - Research Analyst
I guess, on the pharma segment, can you quantify or just help frame the impact of Vial2Bag is having on that segment? And when you might lap that impact or that impact would normalize? Just trying to get a better sense of how to think about the pharma growth in 2019?
Eric M. Green - CEO, President & Director
Yes. So when you think about the growth we had, specifically, in the Vial2Bag, just recall the investments we made in Puerto Rico, which is one of our contract manufacturing sites and with their expertise, core competency is running in injection molding. So we're able to bring that production expansion in Puerto Rico and they're just starting to ramp-up as we speak at this point in time. The growth that you're seeing in pharma for Q3 in particular, has been most -- mostly been around the high-value product conversion and a little bit of the year-over-year comparison perspective. The incremental growth in that unit, a smaller portion was actually attributed to administration systems. There was growth there, but it's a smaller element of growth. It was actually less than 5% of total sales is what our administration systems are in the pharma unit.
Dana Carver Flanders - Research Analyst
Okay, and I know you mentioned the weakness in Biologics impacting gross margin to some extent in propriety products. Is it fair to say that you expect that segment to expand margins into 2019, as these cost efficiencies go into place and Biologics returns to growth?
Bernard J. Birkett - Senior VP, CFO & Treasurer
Yes, Dana, absolutely. The opportunity we have with Biologics, what's really exciting is our customers are adopting the higher portfolio within high-value products. So to give you an example, there is more interest in NovaPure and so there is the higher you go in that spectrum or continuum that we have value continuum, the better the margins are. So there should be a natural lift that we'll see in our -- due to the Biologics stronger performance in the coming quarters.
Eric M. Green - CEO, President & Director
Just to put that in context. There are a number of drivers that we have for gross margin expansion leading to operating margin expansion. So Biologics will affect mix and that's one of them and then, obviously, on the operational cost down strategies and One West systems that we have in place, so we're not just reliant on one area for margin expansion. There are number of things that will drive it.
Operator
(Operator Instructions) Our next question comes from Derik De Bruin of Bank of America.
Derik De Bruin - MD of Equity Research
So a couple of questions. So, I guess, just to make the math a little easier, what's the specific sales impact from FX in Q4 that you're forecasting? I guess, obviously, FX is a big player for you guys and so like, your initial thoughts on 2019 on how you see FX moving?
Bernard J. Birkett - Senior VP, CFO & Treasurer
Versus our original forecast, [comparing] 120 versus 115, we expect like that's about a $7 million impact on the quarter. And that's what we called out as well on our Q2 call.
Derik De Bruin - MD of Equity Research
Yes. All right. And for '19, any initial thoughts?
Bernard J. Birkett - Senior VP, CFO & Treasurer
It's a bit early. But we're going through our forecast right now, and as we already mentioned, we'll give full guidance on our Q4 call. But just again, put it in context, we're looking at above-market organic growth and growth on operating margin expansion into '19.
Derik De Bruin - MD of Equity Research
Got it. So what was the propriety product backlog this quarter and last? You used to give us numbers. I'm just wondering can you please update us on that?
Eric M. Green - CEO, President & Director
Yes, I can give you the slightly above end of year -- I'm sorry, December of 2017 number. It's roughly $363 million. And I -- listen, let me be clear, though, there's some operating changes that we've made to better service our customers. One is our cycle times, lead times have dropped considerably over the last 12 to 18 months. I mean, you're talking almost -- in many cases, almost, it's 2:1 ratio. And then secondly, we have with a couple of our large customers, more of an adjusted time model that we put in place that allows us to plan manufacturing in a very short period of time for these particular customers. So it's more of a planned pull effect in -- from our operations into their operations. So if I can't sit here and say that is the absolute like-for-like number. In fact, I would say this is somewhat deflated because of the initiatives that we put in place.
Derik De Bruin - MD of Equity Research
Got it, that's helpful. And just two more quick ones. On just housekeeping. I mean, obviously, you had a little bit more of a tax benefit this quarter than you thought. I guess, by your estimate, how much EPS moved from 4Q to 3Q based on the option exercise?
Bernard J. Birkett - Senior VP, CFO & Treasurer
Probably $0.03 to $0.04.
Derik De Bruin - MD of Equity Research
Got it. And then one final one, I've covered the stock for 10 years and this is the first time I've not heard the company give a specific outlook for the top line on the margin on the third quarter call. I'm just -- as I said, I'm just -- this raises our -- when companies sort of vary from that, it's just sort of -- does that -- is that more of new CFO being on board and your thoughts on that? Or anything else going on? Sort of a repeated Dave's question.
Bernard J. Birkett - Senior VP, CFO & Treasurer
Yes. It's really my perspective on really providing the information to the market. I think we've given a holistic view of how we see our business growing in 2019, and it would be above market. The constructs are the same. Our focus is the same, improving gross margin, operating margin and EPS. So it's -- there isn't any reason other than that.
Eric M. Green - CEO, President & Director
Yes, Derik, And I'll just add to this. And absolutely, it is -- if you're saying in the last 10 years, I mean, it is a change that I can tell you, from our view of the business, we still remain very confident and we don't see a change. However, we've decided to give the full guidance in greater detail and transparency in our February call, [going forward rate, yes.]
Operator
This -- it concludes today's question-and-answer session. I would like to turn the call back to Mr. Quintin Lai, Vice President of Investor Relations for any closing remarks.
Quintin J. Lai - VP of Corporate Development, Strategy & IR
Thanks, Haley, and thank you all for joining us on today's conference call. An online archive of the broadcast will be available on our website at www.westpharma.com in the Investors Section. Additionally, you can get a telephone replay through Thursday, November 1 by dialing the numbers and conference ID provided at the end of today's earnings release. That concludes this call, and have a nice day.
Operator
Ladies and gentlemen, thank you for participating in today's conference. This concludes the program, and you may now disconnect. Everyone, have a great day.