The Houston-based company declined to describe the medical problem of the company's 47-year-old leader.
The Houston-based company said its income slumped because of a particularly strong performance a year ago in its petroleum products division.
Last year, the Houston-based company earned $9.3 million, or 34 cents a share.
The rapid shift in the industry appears to have caught the Houston-based company by surprise.
New-home sales at the Houston-based company increased 39 percent last year, to 5,000.
The Houston-based company is involved in food distribution and related activities.
Revenues for the Houston-based company rose 11.5 percent, to $5.8 billion.
He said the irregularities were not expected to have a major effect on the Houston-based company.
Officials of the Houston-based company said they could not explain the decline or the unusually high volume.
The Houston-based company traced a portrait of broad-based improvement in its business units.
