today announced financial results for its second fiscal quarter ended April 30, 2013. Second quarter diluted earnings per share was $0.55, down from $0.80 in the prior-year period and above its previously provided outlook of $0.38 to $0.40 per share. For the second quarter, net revenue of $27.6 billion was down 10% year over year.
The company generated $3.6 billion in cash flow from operations in the second quarter, up 44% from the prior-year period. HP's dividend payment of $0.132 per share in the second quarter resulted in cash usage of $283 million. HP also utilized $797 million of cash during the quarter to repurchase approximately 36.3 million shares of common stock in the open market. HP exited the quarter with $13.6 billion in gross cash.
"After returning more than a billion dollars to shareholders through share repurchases and dividends in the quarter, we improved our operating company net debt position for the fifth successive quarter," said HP CEO Meg Whitman. "By the end of fiscal 2013, we expect our operating company net debt to be below pre-Autonomy levels and approaching our goal of approximately zero."
Individual notable segments of the company included Personal Systems revenue was down 20% year over year with a 3.2% operating margin, and Enterprise Group revenue declined 10% year over year with a 15.9% operating margin. Software revenue was down 3% year over year with a 19.1% operating margin, with Printing revenue dropping 1% year over year with a strong operating margin of 15.8%. Total print hardware units fell 11% year over year.
For the third quarter of fiscal 2013, HP estimates diluted EPS to be in the range of $0.84 to $0.87 primarily due to amortization of purchased intangible assets, restructuring charges and acquisition-related charges.