Howard Marks put it nicely when he said that, rather than worrying about share price volatility, 'The possibility of permanent loss is the risk I worry about... and every practical investor I know worries about.' So it seems the smart money knows that debt - which is usually involved in bankruptcies - is a very important factor, when you assess how risky a company is. As with many other companies Zix Corporation (NASDAQ:ZIXI) makes use of debt. But should shareholders be worried about its use of debt?
When Is Debt A Problem?
Generally speaking, debt only becomes a real problem when a company can't easily pay it off, either by raising capital or with its own cash flow. In the worst case scenario, a company can go bankrupt if it cannot pay its creditors. However, a more frequent (but still costly) occurrence is where a company must issue shares at bargain-basement prices, permanently diluting shareholders, just to shore up its balance sheet. Of course, debt can be an important tool in businesses, particularly capital heavy businesses. When we examine debt levels, we first consider both cash and debt levels, together.
How Much Debt Does Zix Carry?
You can click the graphic below for the historical numbers, but it shows that as of June 2021 Zix had US$211.3m of debt, an increase on US$185.8m, over one year. On the flip side, it has US$33.9m in cash leading to net debt of about US$177.4m.
How Strong Is Zix's Balance Sheet?
According to the last reported balance sheet, Zix had liabilities of US$85.0m due within 12 months, and liabilities of US$217.4m due beyond 12 months. Offsetting these obligations, it had cash of US$33.9m as well as receivables valued at US$18.2m due within 12 months. So it has liabilities totalling US$250.4m more than its cash and near-term receivables, combined.
Zix has a market capitalization of US$473.5m, so it could very likely raise cash to ameliorate its balance sheet, if the need arose. But we definitely want to keep our eyes open to indications that its debt is bringing too much risk.
We measure a company's debt load relative to its earnings power by looking at its net debt divided by its earnings before interest, tax, depreciation, and amortization (EBITDA) and by calculating how easily its earnings before interest and tax (EBIT) cover its interest expense (interest cover). The advantage of this approach is that we take into account both the absolute quantum of debt (with net debt to EBITDA) and the actual interest expenses associated with that debt (with its interest cover ratio).
While Zix's debt to EBITDA ratio (4.5) suggests that it uses some debt, its interest cover is very weak, at 0.47, suggesting high leverage. In large part that's due to the company's significant depreciation and amortisation charges, which arguably mean its EBITDA is a very generous measure of earnings, and its debt may be more of a burden than it first appears. It seems clear that the cost of borrowing money is negatively impacting returns for shareholders, of late. Worse, Zix's EBIT was down 63% over the last year. If earnings keep going like that over the long term, it has a snowball's chance in hell of paying off that debt. When analysing debt levels, the balance sheet is the obvious place to start. But it is future earnings, more than anything, that will determine Zix's ability to maintain a healthy balance sheet going forward. So if you're focused on the future you can check out this free report showing analyst profit forecasts.
Finally, a business needs free cash flow to pay off debt; accounting profits just don't cut it. So we clearly need to look at whether that EBIT is leading to corresponding free cash flow. Happily for any shareholders, Zix actually produced more free cash flow than EBIT over the last two years. That sort of strong cash generation warms our hearts like a puppy in a bumblebee suit.
Our View
To be frank both Zix's interest cover and its track record of (not) growing its EBIT make us rather uncomfortable with its debt levels. But at least it's pretty decent at converting EBIT to free cash flow; that's encouraging. Once we consider all the factors above, together, it seems to us that Zix's debt is making it a bit risky. Some people like that sort of risk, but we're mindful of the potential pitfalls, so we'd probably prefer it carry less debt. There's no doubt that we learn most about debt from the balance sheet. However, not all investment risk resides within the balance sheet - far from it. For instance, we've identified 1 warning sign for Zix that you should be aware of.
At the end of the day, it's often better to focus on companies that are free from net debt. You can access our special list of such companies (all with a track record of profit growth). It's free.
This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.
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