Complex sentence: In the years that followed, the station gradually found its feet again, and by the early 1990s, operating with a significantly reduced staff, it was the world's most profitable TV station in terms of turnover.
Split into simpler sentences: In the years that followed, the station gradually found its feet again. By the early 1990s, operating with a significantly reduced staff, it was the world's most profitable TV station in terms of turnover.