In the quest to find great investments, most investors focus on earnings to gauge a company's financial strength. This is a good start, but earnings can be misleading and incomplete. To get a clearer understanding of a company's ability to earn money and reward you, the shareholder, it's often better to focus on cash flow. In this series, we tear apart a company's cash flow statement to see how much money is truly being earned, and more importantly, what management is doing with that cash.

Step on up, Tyson Foods (NYSE: TSN).

The first step in analyzing cash flow is to look at net income. Tyson Foods' net income over the last five years has been all over the place:

 

2011

2010

2009

2008

2007

Normalized Net Income $543 million $918 million $344 million ($84 million) $234 million

Source: S&P Capital IQ.

Next, we add back in a few non-cash expenses like the depreciation of assets, and adjust net income for changes in inventory, accounts receivable, and accounts payable -- changes in cash levels that reflect a company either paying its bills, or being paid by customers. This yields a figure called cash from operating activities -- the amount of cash a company generates from doing everyday business.

From there, we subtract capital expenditures, or the amount a company spends acquiring or fixing physical assets. This yields one version of a figure called free cash flow, or the true amount of cash a company has left over for its investors after doing business. When a company runs a cash-flow deficit, money is pulled from savings, or raised through debt or equity financing:

 

2011

2010

2009

2008

2007

Free Cash Flow $346 million $661 million $967 million ($164 million) $197 million

Source: S&P Capital IQ.

Now we know how much cash Tyson Foods is really pulling in each year. Next question: What is it doing with that cash?

There are two ways a company can use free cash flow to directly reward shareholders: dividends and share repurchases. Cash not returned to shareholders can be stashed in the bank, used to invest in other companies and assets, or to pay off debt.

Here's how much Tyson Foods has returned to shareholders in recent years:

 

2011

2010

2009

2008

2007

Dividends $59 million $59 million $60 million $57 million $56 million
Share Repurchases $250 million $38 million $35 million $27 million $41 million
Total Returned to Shareholders $309 million $97 million $95 million $84 million $97 million

Source: S&P Capital IQ.

As you can see, the company has repurchased a decent amount of its own stock. But combined with other rounds of share issuance, shares outstanding have actually increased:

 

2011

2010

2009

2008

2007

Shares Outstanding (millions) 371 373 372 357 349

Source: S&P Capital IQ.

Now, companies tend to be fairly poor at repurchasing their own shares, buying feverishly when shares are expensive and backing away when they're cheap. Does Tyson Foods fall into this trap? Let's take a look:

Source: S&P Capital IQ.

Most of Tyson's buybacks over the last five years came just recently. Given valuations -- the company trades at less than 12 times earnings -- these buybacks have likely been a decent deal for shareholders.

Finally, I like to look at how dividends have added to total shareholder returns:


Source: S&P Capital IQ.

Shares returned -14% over the last five years, which increases to -9% with dividends reinvested -- a small boost to top off otherwise low performance.        

To gauge how well a company is doing, keep an eye on the cash. How much a company earns is not as important as how much cash is actually coming in the door, and how much cash is coming in the door isn't as important as what management actually does with that cash. Remember, you, the shareholder, own the company. Are you happy with the way management has used Tyson Foods' cash? Sound off in the comment section below.