The document summarizes DuPont's $7 billion acquisition of Danish company Danisco in 2011. It discusses the challenges of implementing a large cross-border acquisition and ensuring proper integration between the two companies. The CEO and executives at DuPont worked for 6 months on the deal. Their approach was to take a long-term view, thoroughly integrate the companies to realize synergies, maintain cultural fit during integration to avoid post-acquisition problems, and clearly communicate the vision and goals of the combined company to employees.