...The company's positive net cash positions provide significant financial headroom to support potentially sizable acquisitions. We continue to expect the group to be debt-free on an S&P Global Ratings-adjusted basis in 2020, providing significant financial headroom at the current rating level, which we believe the group might utilize to make significant acquisitions. Strong free cash generation funds shareholder returns and debt repayment.High free operating cash flows (FOCF) are supported by strong EBITDA conversion and low capex requirements, despite high working capital requirements. The group annually generates sufficient FOCF to fund its share buybacks and has sufficient cash to fully repay its debt maturing in 2020. Limited clarity on long-term financial policy. ICON has not clearly and publicly articulated its leverage targets. The group could consider significant debt-funded M&A, with leverage potentially spiking up to 3.5x. The current ratings factor in a degree of M&A activity,...