The company also reported mixed results in its third quarter.
AAR said it now expects revenue to range between $2.01 billion and $2.03 billion with earnings expected to range between $2.50 and $2.57 per share. Wall Street is expecting the company to report revenue of 2.04 billion and earnings of $2.61 per share.
"We are very pleased with our double-digit organic growth during the quarter and particularly pleased with the cash flow from operations which further strengthened our balance sheet. We are excited about the opportunities we see to deploy capital to continue to build out our services offering and drive shareholder return," said CEO John Holmes.
For the just concluded third quarter, the company said it earned 79 cents per share on revenue of $529.5 million. Analysts were expecting earnings of 70 cents per share on revenue of $537 million.
AAR shares fell 3.7% to $33.80.
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