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Operator
Good day, and welcome to the Compass Minerals' Fourth Quarter Earnings Conference. Today's conference is being recorded. At this time, I would like to turn the conference over to Theresa Womble. Please go ahead.
Theresa L. Womble - Director of IR & Assistant Treasurer
Thank you, Cyndia. This morning our CEO, Fran Malecha; and our CFO, Jamie Standen, will review Compass Minerals' Fourth Quarter and Full Year 2017 Results. We will also be discussing our 2018 outlook.
Before I turn the call over to them, let me remind you that today's discussion may contain forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. The statements we make today are based on the company's expectations as of today's date, February 14, 2018, and involve risks and uncertainties that could cause the company's actual results to differ materially. Please refer to our company's most recent Forms 10-K and 10-Q, for a full disclosure of these risks. The company undertakes no obligation to update any forward-looking statements that we make today. Our remarks also may include non-GAAP financial disclosures, that we feel are important to provide a full understanding of our business and operating conditions. You can find reconciliations of these measures in our earnings release, our earnings presentation or on our website at the Investor Relations section.
Now I'll turn the call over to Fran.
Francis J. Malecha - CEO, President and Director
Thank you, Theresa, and good morning, everyone. Today I'll begin with a recap of some of the 2017 financial and operational highlights and challenges before discussing the factors impacting our 2018 outlook.
Our results for the fourth quarter and the full year are demonstrating the value of having our salt business balanced by our growing plant nutrition business. While we face the challenging environment particularly for our de-icing salts sales, the addition of full year results from our Plant Nutrition South America segment and growth in our Plant Nutrition North American earnings provide a significant offset to that weakness.
Looking first at our consolidated fourth quarter 2017 results. Adjusted operating earnings increased 5% and adjusted EBITDA increased 9% from prior year on a 3% increase in total revenue. Earnings per share, excluding the impact of special items, which mainly related to tax law changes, rose 22% from prior year to $1.66 per diluted share. The increase resulted from a lower tax rate and improved earnings from our Plant Nutrition South America business.
For the full year, our adjusted operating earnings declined 12%, which was primarily due to mild winter weather and the follow on effects of that on our salt segment results. The first half of the year was very mild in our de-icing markets, which reduced sales volumes in the first quarter and reduced both contracted bid volumes and average selling prices for the current winter season. Our production costs were also negatively impacted as we reduced operating rates across all of our salt mines. In the fourth quarter, snow and cold temperatures arise in late December in North America, and were fairly concentrated in the eastern portions of our served markets where we have less of a presence. We're able to offset some of the weakness in North America with stronger sales in the U.K., where winter weather has been slightly above average. Of course, winter weather is only part of the story for our salt business. Our strategy for growth in the business relies on increasing our efficiency and maximizing the value of every ton of salt we produce. One of the keys to this is the completion of our major capital investment at the Goderich mine.
As many of you listening know, there are 2 projects of importance. The shaft relining to ensure the long-term integrity of the asset, and conversion of the mine to a new production method, a continuous mining and continuous haulage system. Both of these are major undertakings. Our shaft relining project remains on budget and the spending is expected to be complete in 2018. The continuous mining, continuous haulage projects has made important progress as well. All the systems are now installed and operating below ground. And as of November, we are no longer using any drill-and-blast to mine salt in our operations there.
As Jamie will discuss in more detail, we have already achieved some 2017 cost savings from the continuous miners. In addition to reduce cost, this transition is also improving the air quality underground and creating a safer workplace for our employees. There have been some delays, however, ramping up the full design rates due to a couple of factors. First, we were slowed down when the groundfall happened in September. Second, we've encountered some inconsistency in the salt quality in the area where we are mining. We expect to address these quality issues during our normal maintenance shutdown in March.
Our ramp up of the new equipment will continue after the shutdown, assuming average winter continues and normal production rates at Goderich after the shutdown, we expect to achieve the $30 million run rate of savings by the end of 2018. This means that we expect the full $30 million of savings to come through in 2019 when this lower-cost salt is sold. Our plant nutrition business has helped us offset weak salt segment results in 2017, and is expected to produce additional growth in 2018. In North America, our full year plant nutrition sales volumes improved and our production costs declined. We have commissioned all of our new equipment at Ogden. We have also reoriented our commercial teams to focus on our broaden product portfolio and more deeply engage our distribution partners and end users. We've also made measured investments in research and development, including opening a new research center in Kansas City. With the resources we have in both North and South America, we are well positioned to drive additional product innovation to serve our customers’ needs. We introduced our first Brazil developed product line in -- into North America as well. And the business was able to execute all of this while still reducing overall SG&A spending. Our plant nutrition business in South America has also performed well with full year revenue up 5%, adjusted operating earnings up 4% and adjusted EBITDA up 8% compared to 2016. Both results were not quite what we had originally anticipated, mainly due to the delayed planning season in Brazil this year and some shortfall in sales to distributors. We did experience continued strength in our high-value product sales sold directly to farmers. We believe this trend further validates the efficacy and attractiveness of our innovative specialty product lines.
Specialty micronutrients are critical for farmers seeking to achieve the maximum value of each acre they farm, each seed they plant, and each pound of other fertilizers they use. So we remain committed to being a leader in this business with the best selection, the best quality and the best customer support for growers throughout the Western hemisphere.
All in all, there've been some challenges for Compass Minerals this year given the effects of 2 consecutive mild winters, production issues at Goderich, and some slowness in demand in Brazil earlier in the year. And we have made significant progress in key strategic areas which we expect to drive future growth and profitability. Some of the benefits of these efforts have already positively impacted results. We've stayed the course with our strategic investments despite headwinds and returned almost $100 million to our shareholders through our dividend this past year. Our dividend yield is about 4% at current stock prices, and is an attractive part of our value proposition for investors. We will continue to feature the dividend in our disciplined approach to capital allocation.
This year we look forward to reducing our capital spending and focusing on driving value from the investments we've made. So our focus in '18 will be on operating safely through all of our facilities, driving operational improvement through all of our mines and our manufacturing plants to optimize efficiencies and ensure quality products that are available for our customers when or where they need them, and innovating to meet evolving customer needs. Our success will be driven by our employees in the high-performance culture we're building, which will enable us to be more responsive to customer needs, be more innovative in how we produce and the solutions we offer to customers, and ultimately to deliver more value-creating, higher returns for shareholders. So now Jamie will provide greater detail on our financial results and outlook.
James Standen - CFO, VP of Finance & Treasurer
Thanks, Fran. Today, I'd like to start by discussing the tax items which we reported this quarter and then we'll move to our segment results in our 2018 outlook. We had 2 significant tax charges during the fourth quarter, the first related to U.S. tax reform and the second to a settlement reach between the company, the U.S. and Canada that impacts tax positions for a 10-year period. The new U.S. tax law generated a net charge of $46.8 million in the quarter. This charge has 2 components: first, we estimate that the onetime tax on our unlimited foreign earnings under the new law to be approximately $55.2 million. Offsetting this tax was an $8.4 million revaluation of our deferred tax liabilities. The second tax charge involved a settlement regarding cross-border intercompany transfer pricing that was reached between the company, the IRS and Canada revenue. This settlement addressed uncertain tax positions for several tax years and resulted in a onetime tax expense of $13.8 million. This is the second tax resolution reached with the Canadian government this year. Between this settlement and the Canadian tax court victory earlier in the year, previously disclosed reassessments totaling about $125 million have been resolved.
Now let's turn to our salt segment results, which can be found on Slide 8 for those of you looking at our presentation. For the fourth quarter, revenue declined 2% on 3% lower sales volumes, partially offset by a modest increase in average selling prices. The largest contributor to lower volumes was weakness in consumer de-icing sales. De-icing sales for both highway and consumer products were negatively impacted by the late start to winter and the Eastern U.S. concentration of snow activity. Just to follow up on how winter is developing, as the chart on Slide 4 shows, strong snow activity in the 11 cities we tracked has continued. And through January, our snow event data was tracking 10% above the 10-year average. Salt operating earnings for the fourth quarter were 8% below prior year and pressured by lower sales volumes as well as increased logistics costs. Our cost also include a step-up in depreciation due to continuous mining and continuous haulage equipment being placed into service. Logistics cost increases were driven by a combination of increased freight rates, geographic sales mix and some fuel cost.
Before turning to the full year salt results, let me discuss the winter weather impact estimate we included in our press release. We estimate the financial impact due to variations from average winter weather each winter quarter. This quarter, we've estimated a negative $20 million to $25 million impact on sales and $6 million to $10 million impact on operating earnings. The primary driver for the negative impact relates to our consumer de-icing business. Our winter weather estimate contemplates that typical consumer de-icing sales should -- what typical consumer de-icing sales should be in average winter weather given our commercial relationships. Because of the late start to the winter and the concentration of winter activity in the Eastern U.S., these metrics were below average for the fourth quarter. In addition, our actual highway de-icing sales to commitment ratio was also below historical average for the third quarter.
For the full year, our salt earnings declined 30% from prior year. We estimate that approximately $50 million to $60 million of the decline was related to the impact of mild winter weather in the first and fourth quarters. The operating and EBITDA margin for the salt segment also declined when compared to 2016 full year results due to an increase in per unit cost driven by lower operating rates and increased logistics expense.
Plant Nutrition North America revenue in the quarter grew about 12% from fourth quarter 2016 results on 11% higher sales volumes and 1% higher average selling prices. Adjusted operating earnings, however, declined 8% due to a combination of increased logistics costs and depreciation expense related to commissioning our new SOP production equipment at our Ogden location. For the full year, this segment reported strong year-over-year adjusted earnings growth of 19% due to lower per unit cash cost. This was driven by some efficiency gains in our SOP production as well as careful management of SG&A.
In the Plant Nutrition South America segment, revenue increased 10% from the fourth quarter 2016 results on 6% volume growth and a 3% improvement in average selling price. These results were driven by the increase in sales of our high-value products sold directly to growers, that Fran discussed, as well as some FX benefit in the translated sales price. This growth provided a lift to our average selling price and benefited our operating margins. These mix benefits more than offset weakness in our distribution sales channel.
The chemical solutions business in Brazil modestly improved sales volume. But this business is more tied to the broader economic environment in Brazil, which is still somewhat challenged, particularly in the oil and gas industry. For the full year, sales volumes declined to 9% from 2016 results. However, the product mix improved for both agriculture and chemical solutions sales, which drove a 4% increase in total average selling price in local currency. Our focus on high-value innovative plant nutrients and our strong direct-to-grower sales channels, improved operating earnings and provided margin growth. We are pleased with this performance given the weaker-than-expected Brazilian economics in 2017.
With the chemical solutions business, while sales to some industrial customers lagged expectations, we had stronger sales of highly concentrated chlorine products, which also improved operating margins for that business. So overall, this was a solid year for the South America segment given the broader agriculture and economic environment there.
Let's now move to our outlook starting with salt. Looking forward to the first half of 2018, we expect about $25 million in short-term product cost and logistics expense. About half of that $25 million is related to high-cost inventory from 2017. Most of this cost is due to the groundfall incident at Goderich mine, last September. We also had lower-than-expected operating rates at that mine. The other half of the $25 million relates to shipping and handling. We expect to use salt from Cote Blanche to supplement the Goderich mine shortfall to fully serve the market. That is expected to increase our first half salt distribution cost by about $2.50 per ton. Fortunately, these costs are short-term in nature, and we expect a healthy rebound in operating margins in the second half of 2018. Second half 2018 margins will also benefit from continuous mining savings at Goderich. We already achieved about $5 million of savings in 2017 when we finished installing the fourth mining system and completely stopped drilling and blasting in the fourth quarter. Given the challenging geology we've been mining through, and some additional ground control precautions, we have decided to pull back on our continuous mining ramp up. However, as Fran mentioned, we expect to have these issues resolved following the March shutdown. We have already started taking action to reduce our workforce at the mine. And as a result, we are expecting an incremental $10 million in savings from our new mining technology in 2018.
These savings are expected to impact the P&L in the second half of the year due to our first-in, first-out accounting methodology. By the end of 2018, we expect to reach our $30 million savings run rate with 2019 being the first full year of savings.
So to sum-up the salt outlook, we expect revenue to be up year-over-year for the first half of 2018, while operating margins are expected to compress. Given what we've sold through January, and expectations for average winter for the remainder of the year, we expect an increase in full year sales volumes as well.
In Plant Nutrition North America, we expect steady volume growth at stable prices. Operating margins are expected to be somewhat compressed due to a step-up in depreciation expense, continued investment in innovation and commercialization and further pressure on logistics cost. In Plant Nutrition South America, indications are positive for a strong agricultural season with improving farmer economics, which should be supportive of increased sales through our distribution channel. This business tends to be more sensitive to ups and downs of farmer economics, because it serves smaller growers who have fewer resources and tend to move down the value chain for inputs when commodity prices decline. There is, however, increasing interest from these customers to have access to our more innovative products, which we -- which will be something we pursue in 2018. Given these factors, we expect an increase in Plant Nutrition South America sales volumes for the year and a year-over-year increase in revenue for the first half of 2018.
Our margin guidance is indicative of the seasonal performance for the overall segment. Remember that sales of higher-margin products typically increase during the second half of the year. As far as corporate items go, our depreciation expense will increase due to the factors I had outlined for each business segment. Our capital expenditure level will continue to decline as we focus on delivering value on the major investments we've already made. And last, our effective tax rate is expected to be about 26% as a result of the new U.S. tax law. This compares to our previously expected longer-term tax rate, 28%.
Before beginning our Q&A session, let me recap the key points of the quarter. Salt business fundamentals are improving. Although, we are facing near-term cost headwinds. Our Goderich mine transition is already delivering benefits, and is expected to deliver $30 million in run rate savings by the end of 2018 assuming average winter weather demand. Our plant nutrition businesses are expected to continue steady growth. And last, our corporate wide $20 million cost savings plan remains on track. It has delivered $12 million in savings to date, with the balance expected in 2018.
Operator, can we please begin the Q&A session.
Operator
(Operator Instructions) We'll hear first from Vincent Anderson with Stifel.
Vincent Alwardt Anderson - Associate
Just going back to guidance, briefly. Would you be willing or able to quantify the commercialization expense on the Plant Nutrition North America segment? And then, what kind of sales, if any, you're also including in guidance as a result of that commercialization effort?
James Standen - CFO, VP of Finance & Treasurer
Vincent, I think that -- I won't quantify it specifically, but we do continue to invest. And that we started that in 2017, it was a little bit slower than we expected on the spend side. And so as we get that full year rate in 2018, there is a ramp up there. But we're not really ready to talk specifically about what that is. It includes commercialization and the continued investment in innovation. And then on the results in terms of what we expect from that investment, there is some built in to our plan, but a lot of that value will come even down the road in 2019.
Vincent Alwardt Anderson - Associate
Okay, that's helpful. And staying on North American Plant Nutrition. I know it's early, but you have the '17 products, you have your SOP, and you have your own internal pipeline. In your initial conversations and efforts on this commercialization process, are there any products that really stand out as missing from your current portfolio, particularly, products that are not in your own development pipeline?
Francis J. Malecha - CEO, President and Director
Vincent, this is Fran. We have a much broader pipeline to the point today than we had a year or 2 ago. And we're seeing strong growth in the specialty fertilizer products. So we're going to continue to build on that through innovation, as Jamie mentioned. And where we may have some gaps, we are working to find those collaboration partners to bring those products to market. So it won't be everything invented here. I think it will be a combination. And we hope to talk about those things more in the future as they come to fruition when we bring those products to market.
Vincent Alwardt Anderson - Associate
If I could sneak a third quick one in. Should we not be seeing some kind of business disruption insurance payout this year? Is it in the guidance? And what kind of numbers should we expect?
James Standen - CFO, VP of Finance & Treasurer
So I think that we continue to evaluate that situation. We're not ready to take position on whether we would have a recovery or not. We have to get through the season, see what the actual tons that we were -- that we didn't have. We need to find out exactly what those are to -- in order to start developing a claim. We have 1 year to file a claim. So it would be premature at this point to decide how much it is, because we would have logistics cost related to illogical shipping and actual lost business, which we just don't know until winter is complete.
Francis J. Malecha - CEO, President and Director
And there's nothing in the guidance -- nothing in the guidance for that, Vincent, to add to Jamie's comments.
Operator
And we'll hear next from Joel Jackson with BMO Capital Markets.
Joel Jackson - Director of Fertilizer Research
My first question is term of your mix on your contracts for de-icing salt this year, so looks like you don't have as much exposure in the Eastern Great Lakes where you're seeing better snowfall. Is there something, Fran, do you go back and look at maybe what your strategy was for bid season, and think about of maybe from a risk mitigation perspective. You're covered for the full extent of your region and how you might look at this going forward? And second part of that is, you're taking some downtime at Goderich, but if the entire region is seeing good snowfall, good salt shipments, would you not think that there is destocking going on? And there will be opportunities to sell more salt next year?
Francis J. Malecha - CEO, President and Director
Sure, Joel. First off, and I think our -- if you look at our approach to the bid season last year, we felt like we maintained our share in -- across the geographies that we serve. And the pricing was disappointing, but that was a function of oversupply and the market inventories being elevated due to the mild season and we're just bearing the brunt of that through '17 and the pricing early '18. But I think the timing of the -- and the geography of the snow this year, maybe hurt us a bit early in the year. And I think if you look at the recent snowfall, probably helps us a bit on the back end of the year. So we're expecting -- I guess, I'm optimistic about how the season will end here. If it continues as that we're seeing in through January, that will have a better environment coming bid season ahead, both in terms of volume and hopefully on price. So I think that's really the salt business for us. And our approach to the market overall continue to be consistent with that. And just on the -- you mentioned the slowdown at Goderich, we aren't slowing production down there, it's just a matter of ramping it up, and dealing with some of the issues that we have had to deal with. So we believe that inventories will be less kind of north to south. And we're going to produce for that. But in addition, we're also producing -- will be producing more tons in our own Cote Blanche mine, quite a bit more tons over your last year just looking at how we see demand in the South and recover some of the production shortfalls that we incurred in the north this past year. So I'd expect production at all of our mines to be up in the year ahead to meet the demand that we think will be out there.
James Standen - CFO, VP of Finance & Treasurer
And just to add on regarding the shut down. I think we've got required maintenance that has to occur. So we shut down in March typically, and at the same time, we're going to address those quality issues that we've encountered in the geology.
Joel Jackson - Director of Fertilizer Research
Okay. I appreciate that. And then my second question is on SOP. So you did very large expansion at Ogden. It's been completed for some time. Your 2018 volume guidance for SOP, for Plant Nutrition North America, is pretty flat for '17. So is this a question of the volume out there? Isn't really there to push SOP further at risk of price erosion?
Francis J. Malecha - CEO, President and Director
I think when we -- if you go back a couple of years, when we -- the assumptions that we used to drive the project. I would say that the demand -- our demand estimates have been curved from that. But as we've talked kind of consistently over the last maybe 18 months with the lower Ag pricing in North America. And a bit lower demand that we would build production -- build demand -- production based on demand consistently, but at a slower pace going forward. And so we're kind of looking at that, I would say 3% to 5% type demand increase in SOP. And we plan to meet that demand by selling to those chloride-sensitive crops where we can. And then competing mainly by using KCl to augment the production as we use up our pond-based production capacity in some of the other crops and markets that we continue to look for growth in.
Operator
And next we'll hear from Chris Shaw with Monness, Crespi.
Christopher Lawrence Shaw - Research Analyst
Can you talk about the quality issues in the salt mine at Goderich. I guess it's having visited that onetime. Everything -- when I looked around, everything I saw was salt. So is it just that it's impure or -- what does that mean when you say the quality issues?
Francis J. Malecha - CEO, President and Director
Yes, there is a lot -- it is solid salt. And I think if you look at it, it's not always that discernible. But -- so we're -- in the area of the mine that we're mining today, there is a small amount of other impurities, I guess, is what I would call them in the salt that we're mining at this time. It's hard for us to predict kind of what that looks like ahead of us, because we can't drill down kind of vertically. Because we're under the lake to kind of determine the exact geology as we go forward. It's just -- we just can't be that precise with it. But for -- I would say for 40 years to 50 years that we've operated the mine, we haven't experienced anything quite like this, in terms of that level of impurities. So what we've done is find the mechanical solutions to deal with these level of impurities or install them to our normal shutdown period, which will be in March. And then we'll come out of that, we should be able to separate that out effectively and deliver the quality that we need to our chemical customers and our highway customers. So it's just, I think, the geology that we are dealing with. We have a handle on it, and we have a solution to go forward.
Christopher Lawrence Shaw - Research Analyst
The impurity is more important to the chemical customer, I assume, than the road salt guys?
Francis J. Malecha - CEO, President and Director
Yes, I mean the quality specs are higher on the chemical customers than the highway customers.
Christopher Lawrence Shaw - Research Analyst
Okay. Then back in the third quarter, you called -- that we just -- you guys discussed the roof collapse at Goderich. That seems like everything is going to be back on track. Maybe, I guess, maybe the question wasn't answered. It was more so in terms of production versus -- I guess what happened -- is there anything different that happened that now is delaying the cost savings from the continuous mining outside of, I guess, both the -- I guess you decided the impurities and also the roof collapse, but is there anything else that's really just putting that off to 2019 to get the full run rate?
Francis J. Malecha - CEO, President and Director
Yes, I'll make a comment. And maybe Jamie can add on to that in more detail. The only thing I would say is that with the challenge that we have with our roof collapse and kind of maintaining the mine through that, that we probably have -- we have not reduced our labor force there as quickly as we, maybe, would have anticipated prior to that by roughly a quarter. So as Jamie mentioned earlier, we have initiated that process at the mine. And that is delaying some of the savings in the early part here of '18. Jamie, (inaudible) can you give any comment.
James Standen - CFO, VP of Finance & Treasurer
No, I think that we -- as we went through September and experienced the groundfall, how we really focused in on ground control for a little while. And that really slowed down the timing of the ramp up. And we -- because this equipment is so important to us, we just want to make sure that we've got the right focus on. So as we got through that ground control issue, now we are taking out the labor. And we've just basically got a delayed ramp up. That's why it's pushing it out about 6 months.
Operator
And next we'll hear from Chris Parkinson with Crédit Suisse.
Christopher S. Parkinson - Director of Equity Research
You hit on this a little. But can you just further breakout the first half (inaudible) from higher transportation costs? And then just run through the -- selling the high-cost inventories? I think Jamie mentioned that a little bit. And then also, just -- do you have any preliminary thoughts for a long-term freight expense giving shifts into your overall geographic mix?
James Standen - CFO, VP of Finance & Treasurer
Yes, so going back to the $25 million in the first half, and I talked about it being half high-cost carryover, which is higher cost inventory carryover from '17. So think of that as $12.5 million, and then also just generally lower operating rates. But the logistics cost comes from -- a big portion of it is really shipping salt from our southern mine in Cote Blanche North. So that is premium freight. So as on balance, it's best off for the company to utilize our own mine and pay incremental freight expense to move some salt north, up the river system and otherwise versus finding other salt, import salt, transporting it here and bringing it up through. So since it's basically $12.5 million and $12.5 million related to carryover and logistics. We do expect that high-cost inventory to be gone likely by the end of first quarter. Some of it may drag into the second quarter.
Francis J. Malecha - CEO, President and Director
And if I just might add, I think the difference I think as we look ahead in terms of what our book of business can be on salt as we go through the bidding season next year, with stronger weather in the East, that should occupy those Eastern mines to a greater degree. And I would expect that we would swing back maybe a bit more to our more normal territory for salt. And our best margin business is always the freight to the customers. So there's always those differences that can happen year to year driven by the weather that can impact the freight, as you have mentioned.
James Standen - CFO, VP of Finance & Treasurer
And then from a longer-term logistics perspective, we're seeing 3% to 5% freight rate increases. You've got fuel, you've got oil at $65 a barrel earlier this year, was much lower than that. So depending on oil -- and a very -- we've got a very tight truck market across the U.S., so it's difficult to recapture these costs in season, particularly in our highway business. So as we go through our bid season, to Fran's point, and look at our net backs and optimize, we'll do whatever we can to recapture some of these rising logistics cost. But I don't -- in the short- to medium-term, we are seeing inflated logistics.
Christopher S. Parkinson - Director of Equity Research
Great. And just a quick follow-up. Just -- could you just kindly breakdown or parse out some of the key factors in pricing improvements in Brazil? And how you see this evolving in '18 given the market still seems to be a little bit volatile? And then just also a quick comment on your direct-to-grower sales strategy would also be appreciated.
James Standen - CFO, VP of Finance & Treasurer
Sure, so let me talk about the pricing, kind of what has happened. I think what we've seen, a lot of the pricing benefit in the fourth quarter year-over-year, particularly, is related to lower sales to distribution and higher sales to direct-to-grower. And our margin -- our margins are better, our prices are higher, and there's a lot more full year products. So we've got high-value full year products that are growing rapidly, and we are selling more of those. And what we sold left that was lower-priced, lower-value products that went through distribution. So that's the real mix that has been driving the benefit year-over-year. I would also say, as we go into next year, we will continue to grow the higher value products at very rapid rates, but we're also looking at pushing some of our older products that we used to sell to B2C, which have been now replaced. We're looking to push some of those into the distribution. I mentioned in my script that we've got some interest by some of those smaller growers in those products. So those are a little bit lower priced. So it won't be as much of a price play in 2018 as much as a volume growth play. So we'll be adding more high-value stuff, but we will pick up some of the lower value too, as farm incomes are now stabilized, and we expect some of that distribution sales channel volume to improve.
Francis J. Malecha - CEO, President and Director
And then I just might add to Jamie's comments. We have a very significant sales force on the ground in Brazil. And with the management team down there, we continue to work to see more customers, get on more hectors, increase the amount of sales per salesperson. And I expect that to continue to increase over the time. I think it's just a lot of potential for us down there, because we have more feet on the ground and better penetration in these markets than any of our competitors in this space.
Operator
And next we'll hear from Jeff Zekauskas with JP Morgan.
Unidentified Analyst
This is Kerian for Jeff Zekauskas. I just had two quick questions on taxes. What was your cash tax rate in 2017? And where do you expect it to be in 2018? And then secondly, out of your $61 million in onetime tax charge, how much of that was cash?
James Standen - CFO, VP of Finance & Treasurer
So let me answer the last one first. The $61 million is net of the -- of the total $61 million, all of it will ultimately be cash, however, a large portion of it will be deferred. So the unremitted foreign earnings will be paid over 8 years. So think of $4 million or $5 million related to about $55 million of that amount will be paid at that period. So of the $13 million, the other portion, that will be paid -- if that's a net number, so we will be paying significant cash taxes to the Canadian government in 2018, and then we will be getting a large refund from the IRS in 2019. So we would expect cash taxes in the U.S. in 2018 to be quite high. Think of our effective tax rate plus about $65 million of additional cash taxes in 2018. And then in 2019, we would get about $50 million back from the IRS. So that's a net $15 million on this transfer price finalization, and a big part of that comes in 2018. And then we get the lower tax -- cash taxes in 2019. And then as for the big repatriation, like I said, it's about $55 million. And you should think of that as $4 million, $5 million a year going forward.
Operator
(Operator Instructions) We'll year next from Robert Koort with Goldman Sachs.
Unidentified Analyst
This is [Don Camelon] for Bob. Quick question, on the capital expenditures, what proportion of that is maintenance CapEx? And I guess secondly, as these capital expenditures wane or decline, could you talk a little bit about your priorities for cash flow utilization?
Francis J. Malecha - CEO, President and Director
Sure. The vast majority, nearly all of that CapEx spend is maintenance capital. A portion of that maintenance capital is to finish, as we mentioned earlier, the Goderich shaft relining, that spend will be complete in 2018. And the rest is -- I would say getting pretty close to our -- and what our normal maintenance of business capital would be in that $75 million range is what we've talked about. And we'll be getting close to that once you take out the balance of the shaft relining. And then in terms of our capital priorities, we continue to look at the dividend as kind of the base of that along with investing in our business and improving our balance sheet as the 3 areas of focus going forward. And I think the year -- 2 years ahead of us are really around executing our current business plan, maintaining our assets, generating increased cash flow and really focus probably more on the balance sheet, I would guess, in the shorter term than on what maybe the next acquisition or significant investment in the business. So that's generally how we're thinking about it over the shorter term.
Operator
(Operator Instructions) And we'll hear next from Garo Norian with Palisade Capital Management.
Garo Norian - SVP of Research
I wanted to make sure I understood correctly the situation at Goderich regarding the lower purity. It seems you guys are going to have kind of a mechanical separation solution installed in March. But I'm curious how long do you expect to be kind of in this part of the mine? Or how long do you think this is going to last that you're going to be needing to have this extra separation?
Francis J. Malecha - CEO, President and Director
I mean we're going to be in this part of the mine for the next probably several years. But it doesn't mean that geology will consistently be like this. As I mentioned earlier, that's difficult to predict. So we'll be able to deal with those impurities, with as you mentioned, some mechanical separation and sorting equipment that we're putting in. But we will be operating in this area of the mine for a number of years to come.
Garo Norian - SVP of Research
Okay. And then just separately, can you give a sense of expected free cash flow for the year? And where do you expect leverage to end at the end of this year?
James Standen - CFO, VP of Finance & Treasurer
Sure. So given the tax payment that we expect, given our interest expense, we view cash flow as flat to negative in 2018. And what's really driving that, we would have generally thought of generating about $50 million of free cash flow in 2018, but for this settlement, that I described a few minutes ago, that's really pulling about $60 million to $65 million of cash flow in cash taxes out of 2018, and it's pushing it out into 2019. So we would now expect a dramatic improvement in free cash flow in 2019 as $60 million basically moves from '18 to '19.
Garo Norian - SVP of Research
And the leverage at the end of '18 as a result?
James Standen - CFO, VP of Finance & Treasurer
I think approximately 4x.
Operator
And this does conclude today's question-and-answer session. Miss Womble, at this time, I will turn the conference back to you for any additional or closing remarks.
Theresa L. Womble - Director of IR & Assistant Treasurer
Thank you, Cyndia. Once again, we appreciate your interest in Compass Minerals. And if you have any follow-up questions, please contact Investor Relations. Thanks.
Operator
And ladies and gentlemen, this does conclude today's call. Thank you all for your participation. You may now disconnect.