How much debt does Vertex Pharmaceuticals have?

Could you please provide some insight into the current financial standing of Vertex Pharmaceuticals, specifically with regards to their debt levels? Are they carrying a substantial amount of debt, or are they relatively debt-free? Additionally, has there been any recent news or announcements that could potentially impact their debt situation in the NEAR future? It would be great if you could elaborate on any relevant factors that might influence the level of debt the company is currently facing.