Conversation so far:
What year did American Idol begin?
The first season of American Idol began in 2002.
Is American Idol still on or did the franchise end?
American Idol initially aired on Fox from 2002-2016. It had a hiatus for two years, until March 11, 2018, when a revival of the series aired on ABC.
Did American Idol do well?
For an unprecedented eight consecutive years, from the 2003–04 through the 2010–11 season, either American Idol's performance show or result show was ranked number one in U.S. television ratings.

Question: who else has he worked with within the franchise
Self-contained rewrite: Who else has Simon Cowell worked with with in American Idol?