WOOBURY - Bethpage-based Cablevision officially has new ownership.

Executives from Altice announced Tuesday that the deal to buy Cablevision for $17.7 billion has been completed.

Altice's acquisitions of Cablevision and Missouri-based Suddenlink form "Altice USA," which is the fourth-largest cable company in the country.

Altice USA is the parent company of News 12 Long Island.