First, cash flow. Our cash flow remained strong. Free cash flow for the trailing 12 months ended June 30, 2012, were $749.5 million, excluding the Hunter Labs settlement. We remain pleased with our cash collections. DSO was 47 days at the end of June, a decrease of 1 day sequentially and an increase of 1 day year-over-year. During the quarter, we maintained our bad debt rate of 4.4%.
Second, revenue growth. Revenue increased 1.4% year-over-year in the second quarter. During the quarter, revenue per requisition increased 1.5% year-over-year. Total company volume was essentially flat year-over-year during the second quarter. Esoteric volume increased approximately 1.3% in the quarter.
Third, margin. For the second quarter, our adjusted operating income margin was 19.7% compared to 19.9% in the second quarter of 2011. The decline in adjusted operating income margin is due to a 30-basis-point drag from recent acquisitions that we've not fully integrated.
Fourth, liquidity. We remain well capitalized. At the end of June, we had cash of $124.4 million and $510 million available under our credit facility. During the second quarter, we repurchased $130.3 million of stock, representing 1.5 million shares. Year-to-date, we repurchased 2.9 million shares for $252.6 million. At the end of June, $332 million of repurchase authorization remained under our share repurchase program. This morning, we updated our 2012 the financial guidance. We expect revenue growth of 2% to 3%; adjusted EPS, excluding amortization, in the range of $6.80 to $7, excluding the impact of any share repurchase activity after June 30, 2012; operating cash flow of approximately $950 million; and capital expenditures of approximately $155 million.I'll now turn the call over to Dave. David P. King Thank you, Brad. We are pleased with our performance, given that we continue to face a very difficult environment for volume growth. During the quarter, we grew earnings per share by nearly 8% year-over-year. We continued to integrate our recent acquisitions and focus on expense control, lowering our selling, general and administrative expenses as a percentage of revenue by 90 basis points year-over-year, adjusted for the Hunter Labs settlement and Orchid legal expenses in 2011. And we extended our contract with WellPoint on a multi-year basis, stable pricing and continue the exclusivity in our key markets. Read the rest of this transcript for free on seekingalpha.com
Select the service that is right for you!COMPARE ALL SERVICES
- $2.5+ million portfolio
- Large-cap and dividend focus
- Intraday trade alerts from Cramer
- Weekly roundups
Access the tool that DOMINATES the Russell 2000 and the S&P 500.
- Buy, hold, or sell recommendations for over 4,300 stocks
- Unlimited research reports on your favorite stocks
- A custom stock screener
- Upgrade/downgrade alerts
- Diversified model portfolio of dividend stocks
- Alerts when market news affect the portfolio
- Bi-weekly updates with exact steps to take - BUY, HOLD, SELL
- Real Money + Doug Kass Plus 15 more Wall Street Pros
- Intraday commentary & news
- Ultra-actionable trading ideas
- 100+ monthly options trading ideas
- Actionable options commentary & news
- Real-time trading community
- Options TV