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Operator
Welcome to the Q3 2013 OSI Systems earnings conference call. My name is Richard, and I will be your operator for today's call. At this time, all participants are in a listen-only mode. Later we will conduct a question-and-answer session. Please note that this conference is being recorded.
I will now turn the all over to Mr. Alan Edrick. Mr. Edrick, you may begin.
Alan Edrick - EVP, CFO
Good morning. And thank you for joining us. I'm Alan Edrick, Executive Vice President and CFO of OSI Systems. And I'm here today with Deepak Chopra, our President and CEO; Ajay Mehra, President of our Security division, Rapiscan Systems; and Victor Sze, our General Counsel.
Welcome to the OSI Systems Third Quarter Fiscal 2013 Conference Call. We would like to extend a special welcome to anyone who is a first-time participant on our conference calls. Earlier today we issued a press release announcing our third quarter, fiscal 2013 financial results.
Before we discuss our financial and operational highlights, I would like to read the following statement. In connection with this conference call, the company wishes to take advantage of the Safe Harbor provisions of the Private Securities Litigation Reform Act of 1995, with respect to statements that may be deemed to be forward-looking statements under the Act. Such forward-looking statements could include general or specific comments by company officers on this call about future company performance, as well as certain responses by company officers to questions posed about future operating matters.
The company wishes to caution participants on this call that numerous factors could cause actual results to differ materially from any forward-looking statements made by the company or its officers. These factors include the risk factors set forth in the company's last annual report on Form 10-K, and other SEC filings.
Any forward-looking statements made on this call speak only as of the date of this call and the company undertakes no obligation to revise or to update any forward-looking statements, whether as a result of new information, subsequent events, future results or otherwise.
During today's call, we may refer to both GAAP and non-GAAP financial measures of the company's operating and financial results. For information regarding non-GAAP measures and comparable GAAP measures and a quantitative reconciliation of those figures, please refer to today's press release, which has been furnished to the SEC as an exhibit to a current report on Form 8-K.
Before turning the call over to Deepak to discuss the business in more detail, I will provide a high level overview of our financial performance. We will, again, touch on several themes that we discussed during past conference calls.
Highlights for our third quarter of fiscal 2013 are as follows; first, despite a challenging macro environment, we again reported record Q3 earnings, as we experienced significant expansion of our gross and our operating margins, leading to earnings per diluted share of $0.74, excluding restructuring and other charges. This marks the 15th consecutive quarter in which we have generated double-digit, year-over-year non-GAAP EPS growth.
Second, the record earnings were especially noteworthy, given that Q3 sales were down. Strong operating margins from our security business, including turn-key screening services, and diligent cost management, which has been a hallmark of our financial management, again paved the way to significant earnings growth.
From a top line point of view, we had an extremely difficult comp. Last year's Q3 sales growth of 19% was driven in large part by $42 million in sales from our $98 million US Army entry control point systems integration contract. As a result, we saw an 11% decrease in sales in security in Q3. However, excluding the impact from this large contract, OSI sales increased 18% over last quarter and our security division grew 41% in Q3 of fiscal 2013.
Our Opto division continued the strong revenue momentum it has displayed throughout this year, posting 10% growth. The Healthcare division results were, again, less than expected. You will recall that in our December quarter, healthcare sales were down 5%, due primarily to a significant decrease in EMEA sales. We believed last quarter's EMEA sales were an anomaly and that seems to be the case, as they increased slightly in Q3 year-over-year. However we experienced softness in North America and the emerging markets, which led to a 9% overall decrease in revenues. We will speak more to this later in the call.
Third, our bookings were very strong in both Opto and Security. Our backlog is over $1 billion, which is comparable to the mound as of December 31st, 2012, and provides very good visibility for both divisions over the next year.
And finally, our multi-year Mexico turnkey program continues to ramp up nicely, and we remain on track to meet the timelines discussed in our last call. We are very pleased with how the turnkey strategy has unfolded. And with the large majority of the project CapEx investment behind us, we expect our current business can generate significant free cash flow over the next 12 months and beyond.
Although the top line was challenging in Q3, we are pleased to report another strong quarter of bottom line performance and we remain very enthusiastic about our future. Over the past five years, we have been focused on expanding our operating margins and the results of fiscal 2013 to date, again, show strong growth on this goal.
I will provide additional financial details and will discuss our fourth quarter guidance -- but, first, let me turn the call over to Deepak.
Deepak Chopra - President, CEO
Thank you, Alan. And, again, good morning and welcome to OSI Systems earnings conference call for the third quarter of fiscal 2013. As Alan mentioned, in spite of a couple of soft revenue quarters, OSI achieved year-to-date revenue growth of 3%, and leveraged this modest top line growth to a very strong EPS growth, which Alan discussed earlier and will provide additional details, shortly.
We entered the year aware of a very tough revenue comparison in the second half related to last year's $98 million integrated products contract by our Rapiscan Security division. We believed that despite the tough comps, we would be able to grow with a strong pipeline of opportunities. The impact of delayed US spending in security and hospital purchases, as well as continued weakness in the European government sector, has caused a reduction in our revenue.
Although our current revenue guidance for the full fiscal year is about $65 million lower than our initial estimates at the midpoint, our team's ability to expand margins has been superb, providing us confidence in our ability to meet the earnings goals we set out at the beginning of the fiscal 2013. This performance is a testament to our team's ability and agility in its planning and execution and response to changes in the marketplace.
In Q3, our revenues were $198 million, and we delivered an operating margin of 10.9%,excluding the impact of restructuring and other charges. We now have had two consecutive quarters of double-digit operating margin, a first for the company since 2003.
We continue to maintain a robust product development and opportunity pipeline and manage for the long term, while retaining the ability to withstand the global macro dynamics currently in effect. So even during flat demand in some regions, we continued to make market share gains by expanding our customer base and marketing recently launched products. As such, we believe we are well-positioned for both strong top line and bottom line growth as we enter fiscal 2014 in just over two months.
Now, let's review the highlights for the quarter for each division, starting with our Security division, Rapiscan. Over the past few years, our team has strategically added products and services to an already broad portfolio of inspection solutions. In addition to our core platforms, based on expert technology, we have added product lines for radiation monitoring and trace detection solutions, both well received in the industry. We also focused on developing our screening services model, and our efforts have resulted in two significant wins, namely, the turnkey screening services provided to Puerto Rico and Mexico.
All in all, Q3 was a very successful quarter for Rapiscan, with revenues growing 41%, excluding the Army integrated products contract revenue comp, and an all-time record operating margin of approximately 16%.
In spite of the uneven global economic recovery, Rapiscan made excellent progress in sales and bookings during the quarter, especially in key international growth regions. Our bookings for the quarter for Rapiscan were north of $80 million, even with the uncertainty in Washington.
Our Eagle mobile and fixed cargo inspection systems continued to be attractive for customers that are increasingly participating in commerce and seeking greater border security. With a comprehensive set of non-inclusive inspection solutions, we are very optimistic about our potential to grow globally.
We are in active discussions with aviation customers who have shown strong interest in adopting our ultra high-speed whole baggage inspection screening technology, the RTT. As I mentioned in our last conference call, that we were very confident and started booking orders for this RTT products by our fiscal year end. I am very pleased to announce that we have received our first orders for the RTT product from an international customer in this quarter. That's Q3. I should also note that we continue to work with TSA towards certification of the RTT for the US aviation market, and are targeting to the end of calendar year, as mentioned earlier.
We are also in great position with our turnkey services business. During the quarter, the project in Mexico continues to make strong progress. With Puerto Rico and Mexico now running, we are capitalizing on worldwide interest for turnkey screening services, and are in active discussions with potential customers.
Moving on to Healthcare division, Spacelabs had a tough quarter as revenues declined. During the quarter, as Alan has mentioned, we did see a modest improvement for growth in the EMEA region from last year. Although revenues in the US were softer due to customer push outs, and the continuing uncertain economic recovery,regardless, we continue to be relentless and are driving towards our long-term goals. We also continue to gain traction with recently launched products and are in a good position to capture new opportunities in the fourth quarter and beyond.
We are very confident about a strong fourth quarter. Our new state-of-the-art anesthesia system, Arkon, has been well received in the market during its initial introduction. And our GPO relationships and the direct sales force continue to drive the expansion of the opportunity pipeline, engaging new customers for the Expression patient monitoring line of the products.
Moving on to our Opto Electronic division,we are very proud that the division grew revenues by 10%. We continue to gain new customers in several key industries, and we are well positioned to grow by leveraging our global manufacturing footprint.
Achieving record Q3 earnings with a lower top line makes us more confident in our ability to successfully manage our business through the choppy global economic environment we currently face and build long-term value. I would like to thank our employees, customers and shareholders for their continuing support. We look forward to a strong fourth quarter and soon embarking on an exciting fiscal 2014.
With that, I will turn the call back over to Alan to talk in detail about our financial performance before opening the call for questions. Thank you.
Alan Edrick - EVP, CFO
Thank you, Deepak. Our focus on higher margin growth initiatives and operating improvements throughout the company has succeeded in delivering significant earnings growth. As fiscal 2014 is only about two months away, were very excited about the prospects for both top line and bottom line growth, as we transition past the challenging second half comp.
I will speak to our fourth quarter guidance shortly, but first, let me review in more detail the financial results for the third quarter. Net revenues in the third quarter of fiscal 2013 were down 5% versus Q3 last year. As we said, revenues from our Security division decreased 11% in the third quarter, though as we previously discussed, this was primarily due to the impact of the US Army integrated products contract. Again, excluding the prior year impact on revenues from this program, our Security division sales increased by 41%.
Our Opto division continued the double-digit revenue growth momentum from the first half by delivering 10% sales growth as a result of continued success in broadening our customer base.
And finally, as Deepak discussed, our Healthcare division revenues dipped by 9% in Q3 with some general global softness. We do believe this division is primed for a very strong sales in Q4.
The Q3 gross margin of 36.2% was very encouraging, up by a significant 300 basis points from the same quarter last year. This increase was mainly attributable to a better mix of revenue in our Security division, including increased turnkey sales.
As we move to OpEx, our Q3 SG&A was up just $700,000, despite incremental costs in our Security division related to supporting our turnkey screening services.
And we continue to invest significant resources in R&D to enhance both our Security and our Healthcare product offerings. Our R&D spending, as a percentage of revenue, was 6.2% in the third quarter of fiscal 2013, which was comparable to last year. We believe our efforts will enable to capture major opportunities in our core markets as we continue to introduce innovative products and programs to enhance future growth. We have seen the results of these efforts in the significant number of new products being released.
Our effective tax rate for the year is currently projected at 27.3%. The Q3 effective tax rate benefited from the reinstatement of the Federal Research and Experimentation Credit. Our provision for income taxes is dependent on the mix of income from US and foreign locations, due to tax rate differences among countries, as well as the impact of permanent taxable differences and valuation allowances, among other items.
Gross margin expansion, coupled with solid cost management, led to Q3 EPS per diluted share of $0.66 as compared to $0.62 in the comparable prior year period. And excluding restructuring and other charges, our non-GAAP EPS was $0.74 per diluted share, as compared to $0.65 per diluted share for the comparable period.
Moving to cash flow, as we mentioned on recent quarterly calls, we expect to see significant volatility in cash flow in fiscal 2013, largely as a result of the Mexico program. Our cash flow of operations through the first nine months of fiscal 2013 was $57 million. This operating cash flow was used to partially fund our CapEx, which totaled $139 million in the first nine months of the year. This is consistent with our previous guidance that CapEx would be significantly higher than historical norms in support of our Mexico program.
In addition, we continued our stock buyback program, and recently purchased approximately eight million in stock during the quarter. Our Board of Directors has recently approved a one million share increase to the authorized shares for the buyback program. We expect the current business to lead to very strong free cash flow, with the heaviest part of the spending on Mexico behind us.
Finally, turning to an update of our fiscal 2013 guidance. As Deepak described, with US government spending softer than previously anticipated and added conservatism on healthcare following two disappointing quarters, even though we fully expect a strong Q4, our guidance for fourth quarter revenues is $220 million to $230 million.
It's again important to note that in the June quarter of fiscal 2012, our Security division generated $47 million in revenue from the US Army integrated products contract. Excluding these revenues, our guidance suggests Q4 revenue growth of 17% to 22%. During fiscal 2012, over $90 million of the $98 million of this contract was recognized as revenues. As we head into fiscal 2014, the sales headwind of this difficult sales comp from this contract is behind us.
We continue to expect solid gross and operating margins leading to significant growth in diluted earnings per share. We anticipated -- we anticipate diluted EPS of $1.02 to $1.09, excluding restructuring and other charges, which represents 29% to 38% growth over fiscal 2012 in our fourth quarter.
During the past few years, we have transformed OSI into a company that consistently delivers a strong bottom line, capable of significant free cash flow generation. The investments we have made in the past have enabled OSI to become the leader in turnkey screening services, allowing the company to perform very well despite a difficult worldwide economic environment. We believe we are well-positioned for continued operating margin expansion in the coming years and we look forward to sharing our progress on upcoming calls.
Thank you for listening to this conference call. Operator?
Operator
Yes?
Alan Edrick - EVP, CFO
Will you open the call to questions?
Operator
Thank you. We will now begin the question-and-answer session. (Operator instructions.) Our first question online comes from Tim Quillin from Stephens Inc. Please go ahead.
Tim Quillin - Analyst
Hi, good morning.
Alan Edrick - EVP, CFO
Good morning.
Tim Quillin - Analyst
In terms of your guidance for the fourth quarter, could you just characterize the level of visibility that you have now relative to that guidance compared to the type of visibility you would have at this time in the quarter in previous times? If there's some way to quantify that, that would be great.
Alan Edrick - EVP, CFO
Sure, Tim, this is Alan. As we're three and a half weeks or so into the quarter, I think our visibility for the remainder of the fiscal year, which is now just a few months away, is stronger than it typically would be for -- when there's a longer period in time. We have very strong visibility, particularly into our Security and Opto business.
Our Healthcare business, as you can imagine after two disappointing quarters, has been thoroughly vetted for the third quarter. And although it's not a backlog business, like Security and Opto, we feel that our funnel of opportunities has, frankly, never been stronger. We believed that coming into the second half of the fiscal year that it was heavily loaded to the June quarter, though we were anticipating that March would have been stronger - but we do feel good overall. Overall we feel very good about the visibility that we have and the guidance that has been provided.
Tim Quillin - Analyst
And I just want to make sure that I understand on the healthcare side, that you think there's the potential for growth in revenue year-over-year -- in the Healthcare segment in the fourth quarter?
Alan Edrick - EVP, CFO
Yes, Tim, it's Alan. There certainly is that potential. Q4 last year was a very strong quarter for us. Clearly, sequentially, the Q4 in June will be much, much stronger than March. But we do believe there's the potential for year-over-year growth and additional sequential growth.
Tim Quillin - Analyst
Got it. And then Deepak, it was great to hear that you have gotten at least one order for RTTs in Europe. If you could talk about maybe the size of that and what the pipeline looks like -- just in Europe for RTT.
Deepak Chopra - President, CEO
Thanks, Tim. For competitive reasons, again, I don't want to talk about the size of the order, except it is for multiple units and it's at a very healthy margin. We are very, very happy about it. And the pipeline, not just in Europe, but internationally, looks as strong as ever. Obviously, as we have said in the previous conference calls, because with all the turmoil that's going on, there is always the tendency for customers to push. But they are approaching the red lines. And we are very, very confident that we will score this as a big home run. And we had mentioned before, that we were confident of booking our first orders by the end of our fiscal year and we are happy to announce that we did it in Q3. So very, very happy with that.
Tim Quillin - Analyst
Yes, that's good news for sure. I know that -- I don't think you mentioned in your prepared script and haven't really wanted to talk too much about it, but there was -- the Department of Defense put out a formal notification to Congress on the potential for a military sale to Iraq. And there was very specific quantities discussed in there, and at least a dollar amount that I know is maybe more of a ceiling amount. But it's a big potential order. And so I just want to understand how you are thinking about that, in terms of the timing -- or what is the remaining process before you get to an order or orders there?
Ajay Mehra - President of Rapiscan Systems
Tim, this is Ajay. I think that you have all read what the -- what the DoD announcement was. We continue to work with them and the Iraqis. But at this point, it would be really inappropriate for us to even comment any further. When we have more information, when we -- when and if we book the order, we'll talk about it.
Deepak Chopra - President, CEO
Tim, this is Deepak, just to add on to what Ajay is saying -- you know our policy, that until we actually book the order, we don't talk about it. This was news by the DoD, not by the company. We obviously are excited. We are working on both sides, the Iraqis and the Americans. And until it happens, we don't want to talk about it.
Tim Quillin - Analyst
Okay. Now, can you just confirm whether this would be funded by the US government in any way and thus subject to sequester?
Ajay Mehra - President of Rapiscan Systems
I think we're not going to go into how it's getting funded, et cetera, but we don't anticipate the sequester to affect this.
Tim Quillin - Analyst
Okay. And then just last detail questions and I will let others step in, but Alan -- and you may have said this, what was the depreciation and amortization for the quarter? And what do you expect that to be on a full run rate once you are done with the capital expenditures related to the Mexico project?
Alan Edrick - EVP, CFO
Sure, Tim, our depreciation and amortization for Q3 was a little bit north of $7 million. It will increase significantly as we move further along in the project. We don't guide to D&A as a specific line item level. But you will see it in Q4 and Q1, you will see a ramp up in that depreciation and amortization number, leading to a strong EBITDA for the company.
Tim Quillin - Analyst
Yes. And how about the remaining CapEx -- what kind of 4Q CapEx do you expect?
Alan Edrick - EVP, CFO
We'll continue to have some significant CapEx in Q4, but it's going to moderate from the levels we have seen previously, and as we head into fiscal 2014, even further.
Tim Quillin - Analyst
Got it. Okay. Thank you.
Operator
Thank you. Our next question online comes from Matt Dolan from Roth Capital Partners. Please go ahead.
Matt Dolan - Analyst
Hey, guys, good morning. How are you?
Deepak Chopra - President, CEO
Good morning.
Matt Dolan - Analyst
So I first just want to touch on the operating margins. They are obviously trending higher, especially on the Rapiscan side. Should we expect these gains to at least be maintained? Or is there room for additional expansion from here? I know you gave some commentary on 2014, but maybe you could just directionally help us out?
Alan Edrick - EVP, CFO
Sure, Matt, this is Alan. Yes, we were very pleased with our operating margins and our gross margins in Q3. We do believe that there's opportunities for those margins to continue to improve. Our core business in Rapiscan has been improving the margins. And certainly the turnkey screening solutions part of our business has really been contributing nicely, and as that ramps up, it could lead to even higher operating margin expansion. So we are encouraged by that and we do expect to see operating margin expansions going forward as well. So we think the rate you saw in Q3 can be improved upon.
Matt Dolan - Analyst
Okay. And following up on the healthcare side -- I know in the US early this year, utilization at the hospital level has been a little choppy. Is this something that you are seeing -- pockets of softness? Or is this more of a national, general trend that you are seeing with that side of the business?
Deepak Chopra - President, CEO
Matt, this is Deepak here. I think the better way to answer that there's -- since November, December, January, February, there's been a -- what I call a drag. Everybody just basically went into, what I call, hibernation. The hospitals at the top level sort of put their orders on hold. We haven't lost any -- and I'm sure you are talking to the other companies. Everybody has sort of been in a holding pattern. But we believe that just like what Alan is saying, I think people are just settling done and it will open up. And we are very comfortable that Q4 will be as strong, if not better, than last year's.
Matt Dolan - Analyst
So just maybe to follow up on that, I think previously you talked about getting towards a double digit growth rate for healthcare. Is that still a goal that's realistic for you over time?
Deepak Chopra - President, CEO
The answer is yes. Especially with the economy improving, both here and the rest of the world, and this uncertainty going away, and our extra benefit of the new product launch.
Matt Dolan - Analyst
Thank you.
Operator
Our next question online comes from Yair Reiner from Oppenheimer. Please go ahead.
Yair Reiner - Analyst
Thank you. So, first, I just wanted to follow up on the margin question. If we look specifically at the Security business, I think ex some of the impairment costs and so forth, the margin is around 18%. Is there any reason to believe that that is not the right base level to model for that segment, going forward?
Alan Edrick - EVP, CFO
Yair, this is Alan. Yes, your numbers are right and it was a terrific quarter, and you are seeing the impact of turnkey increasing. There's always a different mix of business from a quarter-to-quarter perspective. So based on that revenue level and the contributions from different businesses, will play into effect what will happen to our operating margins in Security. But we do believe, as a general nature, that the operating margins are going to be significantly higher than we have historically seen in that business, based on the business model changes that we have made and has been part of our strategy.
Yair Reiner - Analyst
Got it. And then in terms of cash flows, you said they are going to be significant going forward. Is the right way to think about that as free cash flow equal to or greater than adjusted income starting in the fourth quarter? Or if not, how should we quantify significant in this case?
Alan Edrick - EVP, CFO
Yes, so we do believe even beginning in this quarter, the June quarter, there's the opportunity for significant free cash flow which could exceed the net income levels. A lot of factors go into that, in terms of timing of collections and payments and the like. We expect to have a little bit more commentary on free cash flow as we head into fiscal 2014, but we do believe that this quarter and future quarters can generate some real significant free cash flow, which will result in a nice yield.
Yair Reiner - Analyst
Got it. And then a follow-up on RTT, I realize that maybe you can't start naming all of your prospects -- but can you maybe give us an idea of what should we should think about as the bogey for the contribution for RTT in fiscal year 2014? What would be a reasonable expectation for you, internally, in terms of what that new product can bring to the company next year?
Deepak Chopra - President, CEO
Well, this Deepak here. Again, for competitive reasons, looking into 2014, difficult to go back and pin an actual number on the number of people we are working with, but we have always maintained that this is regulatory driven. It's at a [basement] cycle. And as the economies get stabilized in Europe and other places, we believe that this is a very big game changer for Rapiscan. There are a lot of potentials and as we start putting the units out there, more and more people will get comfortable with it. So I think we also said in the previous conference calls, it's not going to be a floodgate opening. People will try one unit, two unit, multiple units and then go look at it.
And secondly, the other thing we want to caution everybody is the sales cycle and the install cycle is a little different from a normal machine, because you are integrating these complicated systems in the baggage handling system at airports. So we believe that 2014 will be a great start for us, and the ramp up will start. And we look at it as a significant revenue and margin driver for the company.
Yair Reiner - Analyst
Great. And then just one more, if I could, and this is probably for you, Alan. You have had to revise your forecast here for a couple of quarters in a row. And so, I'm just wondering, maybe you can give us a little primer on the methodology that OSI uses to build its forecast and its guidance? And whether in the light of the changes here over the last couple of quarters, whether you have seen a need to go back and revisit the way that process is working -- or should work going forward? Thank you.
Alan Edrick - EVP, CFO
Sure, Yair. It's a fair question in light of the changes the last couple of quarters. As we look back historically, we've had a pretty strong process and compiling our revenue forecasts and our earnings forecasts, and then translating that into guidance. And in the past there have been -- some quarters where we haven't made the revenue number as consensus from the street. But we have made that earnings number.
Certainly in light of the last couple of quarters, we have revisited our process, because we have seen the -- we have seen some significant come downs in the revenue guidance, as Deepak had alluded to, from the start of the year. Some of it was outside of our control. We didn't anticipate the level of delayed spending, both by the US government and by hospitals. So as we looked to do guidance, going forward, we will certainly compile the -- compile our numbers and provide some -- probably some added conservatism in it. And we expect that as we enter fiscal 2014, the guidance that we'll provide for revenues and earnings will be significant, yet achievable.
Yair Reiner - Analyst
Thank you.
Operator
(Operator Instructions). Our next question comes from Brian Ruttenbur from CRT Capital. Please go ahead.
Brian Ruttenbur - Analyst
Thank you very much. First question is on the body scanners. Is that issue 100% behind us? Have you gotten the final letters? What's left, if anything?
Deepak Chopra - President, CEO
Well, this is Deepak here, Brian. As we mentioned in the last conference call, we have resolved our agreement with TSA. And we are working diligently with TSA to redeploy these units at other government agencies. And the other thing is that -- the other thing that we said on the last conference call with the DHS -- there's no change from the last conference call. We continue to work with them and there is no progress of any conclusion on it.
Brian Ruttenbur - Analyst
Okay. And then I have a couple of other questions on timing of certification. I think that you had talked about a previous conference call that you think that this calendar year, it's realistic -- or the potential for realism on certification from the TSA for the RTT. Is that still going down the correct pathfor that timing?
Deepak Chopra - President, CEO
That's true, Brian. To the best of our knowledge -- we continue to work with them and I did mention in my -- in my thing that we are still targeting before the end of the calendar year.
Brian Ruttenbur - Analyst
Okay. So along those same lines, I think that in terms of Mexico-type business, you were targeting one, maybe two new wins this calendar year. Is that still the case?
Deepak Chopra - President, CEO
Brian, just want to correct -- I never said one or two. What I did say, specifically, is we are in active discussions with multiple customers and we are feeling very good and confident that before the calendar year is over, we will have some more good news.
Brian Ruttenbur - Analyst
Okay. Very good. And then in terms of the RTT, can you talk at least the size of the order? Is it one customer, two customers? Is it three units, one unit? Can you give us some kind of guidance there?
Deepak Chopra - President, CEO
Well, you know my answer already. I'm not going to give you the amount but I will answer to that question that it's one customer and it's for multiple units.
Brian Ruttenbur - Analyst
Okay. And there's competition out there, as I understand, for high-speed units, fromSmith and others that are going into this area. Is anybody else getting traction and getting orders from that same customer or different customers, that you are aware of?
Deepak Chopra - President, CEO
This is, as we have said before, we are very, very happy that there's competition because as you go look at the new product, this is a revolutionary product, high speed, and it's good to have competition. We encourage our competition. And I'm not going to comment on it, whether the same customer we got the order, whether there is any traction from the other side. I'm sure that they are as active as we are, looking at various potential customers. We are aware of them. We are happy to see them. We believe that in a side by side test, we still think that, price to performance and ownership, we have the best solution.
Brian Ruttenbur - Analyst
Okay. Very good. Last question onMexico. Can you tell us how many sites are up and how many sites in total are going to be up by the end of June? Give us some kind of -- or percentages if you don't want to talk number of sites -- you have 20% up or 50% up -- can you give us something along those lines.
Alan Edrick - EVP, CFO
Sure, Brian, it's Alan. As we have described before, we are not allowed to disclose the number of the sites by our customer --very sensitive information. But we do believe that from a revenue perspective, we'll be at -- we'll probably be recognizing somewhere close to three-quarters of the run rate in the fourth quarter, thereabouts. We are making great progress. And by the end of the calendar year, we expect to be to be, if not fully, nearly fully operational.
Brian Ruttenbur - Analyst
So does that mean that the next quarter -- the September period, then you would be 90% or 100%, in terms of revenue recognition?
Alan Edrick - EVP, CFO
Yes, it would be above where we would be in June. So it will be climbing up, not necessarily to 90% or 100%, but it will be climbing up.
Brian Ruttenbur - Analyst
Great. Thank you very much.
Operator
Our next question online comes from Josephine Millward from The Benchmark Company. Please go ahead.
Josephine Millward - Analyst
Hi, guys, Deepak, did you say Security bookings were $80 million for the quarter?
Deepak Chopra - President, CEO
That's true, Josephine.
Josephine Millward - Analyst
Sounds good.
Deepak Chopra - President, CEO
And that booking number is non any turnkey business.
Josephine Millward - Analyst
Right. Can you give me your security funded backlog?
Alan Edrick - EVP, CFO
Yes, our Security backlog, overall, Josephine, excluding turnkey services, increased from the same quarter -- basically from the December quarter, we were up about 5%.
Josephine Millward - Analyst
Okay. That's helpful. So looking ahead in fiscal year 2014, you are going to have a much easier comp without the Army contract. You have Mexico ramping. Do you think you can return to double-digit growth in Security?
Deepak Chopra - President, CEO
Definitely.
Josephine Millward - Analyst
I know you are not entirely -- you are not done with your planning for fiscal year 2014, Deepak, but can you talk about what you see as key drivers in 2014?
Deepak Chopra - President, CEO
Well, Josephine -- yes. In the Security area, we have maintained that the -- we have multiple products. The key drivers that we are focused in are these turnkey screening service, the RTT product line, the cargo product line expansion and continuing to move forward with our new products, the trace and the radiation. In the Healthcare, we are we are very excited about the Arkon anesthesia ramp up. We are also on the other new product launches, the Expression, the Cube and the other products.
In the Opto, we continue to look at gaining traction with new customers. And with our global footprint in manufacturing, continuing to work what we call a strategic way to look at our customers in the opto area, where we carry them from fast turn-around prototyping in stateside US to high volume production seamlessly, without them having to go look at a different vendor.
So these are the main drivers. We continue to look at it. And as Alan has mentioned, besides the drivers to the top line, we continue to focus and continue to improve our operation efficiency to continue to increase our margin expansion.
Josephine Millward - Analyst
Just a follow-up, the Department of Energy, had a solicitation for radiation detection, through a program called A Second Line of Defense last year. Can you give us an update where we stand on that program, and whether we view that as an opportunity in the coming year?
Ajay Mehra - President of Rapiscan Systems
I think we are going to get more clarity on that program, probably in the next fiscal year. There has been delays on that program. But we are actively working with them, with the current program that we have.
Josephine Millward - Analyst
Do you think there's going to be a new solicitation, Ajay, and can we see that before the end of this calendar year?
Ajay Mehra - President of Rapiscan Systems
You know what, I think a lot depends on what happens in Washington.
Josephine Millward - Analyst
Right.
Ajay Mehra - President of Rapiscan Systems
I would be guessing, so I would leave it at that. When we have more information, we will provide that to you.
Josephine Millward - Analyst
Thank you. And Alan, can you give me a tax rate for 2014? What do you think we should use?
Alan Edrick - EVP, CFO
A little bit too early to say for 2014. We will be providing our guidance on the next conference call.
Josephine Millward - Analyst
Okay. But for 2013, you think we should use roughly 27% for the full year, right?
Alan Edrick - EVP, CFO
Yes, I think we said 27% and change.
Josephine Millward - Analyst
Got it. Thank you.
Operator
We have a follow-up question from Tim Quillin from Stephens Inc. Please go ahead.
Tim Quillin - Analyst
Hi, thank you for taking my follow-up. You announced an expansion of your stock repurchase plan. I'm wondering how you are thinking about buybacks, and more generally, capital allocation, now that you should start to generate a lot of free cash flow and you still have a very clean balance sheet?
Alan Edrick - EVP, CFO
Sure, Tim, this is Alan. We did announce an expansion of one million shares to our stock repurchase program. We still had about 400,000 and change in shares and now we have over 1.4 million. As we are generating free cash flow and we are -- we look at our valuation, we certainly think it could be an attractive time to continue buying back shares. So we will go in opportunistically, from time to time, and execute on the program.
Tim Quillin - Analyst
Okay. Would you expect to be -- when your window opens up a couple of days from now, would you expect to be buying the stock?
Alan Edrick - EVP, CFO
We really don't comment on the timing of when we repurchase shares.
Tim Quillin - Analyst
Okay. The Optoelectronics margin were a little bit lower than I expected, even excluding out the restructuring charge. I know it ebbs and flows a little bit there, but was there anything of note in the margins?
Alan Edrick - EVP, CFO
Yes, Tim, it's Alan. The main driver was really the mix of business. We had higher sales in our -- what we call our OSI electronics, some of the electronic manufacturing services. Those inherently carry a bit lower margin. So it was really attributed to that.
Tim Quillin - Analyst
And what kind of margin would you think that you would have -- or what kind of mix you would expect to have in the fourth quarter? And as we think about fiscal 2014?
Alan Edrick - EVP, CFO
I think in the fourth quarter, it will still be a little bit more shifted towards our OSI electronics business. I think as we go into fiscal 2014, some of the core opto electronics that generate some of the higher margin will be a bit stronger. I think that's probably the best way of characterizing it.
Tim Quillin - Analyst
Right. Okay. On the Arkon product you mentioned a couple of times,I wonder if you could talk about what a typical sale looks like on Arkon, in terms of the number of units and the rough order of magnitude, what the average selling price of a single unit is, and how it might ramp up -- kind of the pace of ramping up that business?
Deepak Chopra - President, CEO
Tim, it -- the typical -- there's no typical sale. It can change from one machine to multiple machines. The typical ASPs, depending upon the options that the customer asks for, is about a $55,000 to $60,000. So it's a pretty healthy number with good margins. And the marketplace basically is pretty big, and we think of it, that the marketplace is very anxious to get another competitor, compared to the stalwarts like the Datex Ohmeda and the Draegers of this world.
So -- and it goes hand in hand. You call in the same customers as the monitors. So this was just a natural for us. And we think that this product will generate a generate a lot of sales. It's not like a monitor that you can just book and ship. This will have a little bit extra time, but it will still be able to book and ship in the same quarter.
Tim Quillin - Analyst
Okay. And would you be hoping to get to a 5% market share over the next couple of years? Do you have market share targets?
Deepak Chopra - President, CEO
Well, we are hoping to do better than 5%. We have always said that we would like to get up to 10% market share. And it's a market where -- it's a nascent market, we are starting from ground zero. Obviously the challenge is to go after the incumbents. But with the opening and the relative reception that we have got, and the features we have got built into it -- and keep in mind that this unit was designed from bottoms up, where all the inputs over a two-year period was taken from the user. So we got rave reviews and I think we are targeting at a 10% market share, ultimately, when we get completely launched.
Tim Quillin - Analyst
Okay. And then on the turnkey services business, I kind of conceived of this or thought about the fact that you have a half dozen or so pipeline opportunities at various stages. How is that pipeline growing? You have executed well on a couple of different projects. I know there's a lot of interest around the world. Is the pipeline expanding or the number of opportunities you are working on growing?
Deepak Chopra - President, CEO
I think, Tim, we have always said you to that we consider ourselves to be pioneers in this conversion from sale to a turnkey by a manufacturer. So the first thing we have said and many times in our previous conference calls, every potential large cargo customer -- buying customer can be a customer for a turnkey. So there's not a number of half a dozen or six or two opportunities. It's on a multiple front. Just like we talked to people buying multiple units for cargo to buy, we continue to work with them potentially to look at if any of them can be converted to a turnkey.
And we said in the last conference call, and we said it again today, we are in active discussions with multiple turnkey potential customers. And we feel better today than we felt in the last conference call of closing these deals before the calendar year.
Tim Quillin - Analyst
That would be great. And just last detail, Alan, the stock compensation for the quarter?
Alan Edrick - EVP, CFO
The stock combination expense for the quarter was about $4 million.
Tim Quillin - Analyst
Okay. Great. Thank you.
Operator
(Operator Instructions). And at this time, I'm showing no further questions.
Deepak Chopra - President, CEO
Ladies and gentlemen, thank you, once again, for attending our conference call. We are looking forward to finishing fiscal 2013 on a high note, and speaking with you all once again next quarter. We are very, very confident looking at the optimistic 2014. We have an excellent employee staff. We have good products. And with this uncertainty behind us, we look forward to a strong 2014. Thank you.
Operator
Thank you, ladies and gentlemen. This concludes today's conference. Thank you for participating. You may now disconnect.