sentences:  But the returns from the company's successes did not outweigh the box-office failures of "The Right Stuff", the edited version of Sergio Leone's "Once Upon a Time in America," and the animated "Twice Upon a Time" (co-produced with Lucasfilm).On April 18, 1984, Alan Ladd, Jr. and Warner Bros. parted ways, even though the former still had three years left on the studio's contract.From that point on, "the Ladd Company [would] become a non-exclusive production organization."